CN108419019A - Photographing prompting method and device, storage medium and mobile terminal - Google Patents

Abstract

The embodiments of the present application disclose a method, device, storage medium and mobile terminal for taking a photo. The method comprises: obtaining a parameter value of at least one shooting parameter in the shooting preview stage of the manual shooting mode; obtaining a corresponding preview image according to the parameter value; evaluating the picture quality of the preview image; and when the evaluation result of the picture quality does not meet the preset requirements, prompting the evaluation result in the preview interface. By adopting the above technical solution, the embodiment of the present application can evaluate the preview image in the manual shooting mode, and when the evaluation result does not meet the preset requirements, prompting the evaluation result, thereby optimizing the photo taking function in the manual shooting mode of the mobile terminal.

Description

Prompt method, device, storage medium and mobile terminal for photographing

technical field

The embodiments of the present application relate to the technical field of mobile terminals, and in particular, to a method, device, storage medium, and mobile terminal for taking pictures and prompting.

Background technique

At present, the camera function has become a standard configuration of most mobile terminals, and end users can record beautiful moments around them at any time through the mobile terminal they carry with them.

With the rapid development of mobile terminal intelligence, many mobile terminals have an automatic shooting mode under the camera function, which can help users take photos easily and quickly. In some cases, the automatic shooting mode cannot meet the actual needs of the user, so sometimes the user will choose the manual shooting mode. In the manual shooting mode, the user can independently adjust various shooting parameters to meet his individual shooting needs. . However, for some non-professional users, it is not an easy task to take high-quality photos in the manual shooting mode, and the camera function of the mobile terminal still needs to be improved.

Contents of the invention

Embodiments of the present application provide a photographing prompt method, device, storage medium, and mobile terminal, which can evaluate and prompt the photographing quality, and optimize the photographing function in the manual photographing mode of the mobile terminal.

In the first aspect, the embodiment of the present application provides a prompting method for taking photos, including:

In the shooting preview stage of the manual shooting mode, obtain the parameter value of at least one shooting parameter;

Obtaining a corresponding preview image according to the parameter value;

Evaluate the picture quality of the preview image;

When the evaluation result of the image quality does not meet the preset requirement, the evaluation result is prompted on the preview interface.

In the second aspect, the embodiment of the present application provides a camera reminder device, including:

The parameter value acquisition module is used to obtain the parameter value of at least one shooting parameter in the shooting preview stage of the manual shooting mode;

A preview image acquisition module, configured to acquire a corresponding preview image according to the parameter value;

A picture quality evaluation module, configured to evaluate the picture quality of the preview image;

The prompting module is configured to prompt the evaluation result on the preview interface when the evaluation result of the picture quality does not meet the preset requirements.

In a third aspect, the embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the method for prompting for taking pictures as described in the embodiment of the present application is implemented.

In the fourth aspect, the embodiment of the present application provides a mobile terminal, including a memory, a processor, and a computer program stored in the memory and executable by the processor, and when the processor executes the computer program, the implementation of the present application is implemented. The method of taking pictures as described in the example.

The photographing reminder scheme provided in the embodiment of the present application obtains the parameter value of at least one shooting parameter in the shooting preview stage of the manual shooting mode; obtains the corresponding preview image according to the parameter value; evaluates the picture quality of the preview image; When the quality evaluation result does not meet the preset requirements, the evaluation result will be prompted on the preview interface. By adopting the above technical solution, the mobile terminal can evaluate and prompt the photographing quality in the manual photographing mode, and optimize the photographing function in the manual photographing mode of the mobile terminal.

Description of drawings

FIG. 1 is a schematic flow diagram of a method for taking pictures and prompting provided by an embodiment of the present application;

FIG. 2 is a schematic flowchart of another method for taking pictures and prompting provided by the embodiment of the present application;

FIG. 3 is a schematic diagram of an interface that prompts a parameter value adjustment trend provided by an embodiment of the present application;

FIG. 4 is a schematic diagram of an interface for prompting shooting skills provided by the embodiment of the present application;

FIG. 5 is a structural block diagram of a photographing reminder device provided in an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application;

FIG. 7 is a schematic structural diagram of another mobile terminal provided by an embodiment of the present application.

Detailed ways

The technical solution of the present application will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only some structures related to the present application are shown in the drawings but not all structures.

Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe the steps as sequential processing, many of the steps may be performed in parallel, concurrently, or simultaneously. Additionally, the order of steps may be rearranged. The process may be terminated when its operations are complete, but may also have additional steps not included in the figure. The processing may correspond to a method, function, procedure, subroutine, subroutine, or the like.

FIG. 1 is a schematic flowchart of a method for prompting a photo taken according to an embodiment of the present application. The method can be executed by a device for prompting a photo. The device can be implemented by software and/or hardware, and can generally be integrated into a mobile terminal. As shown in Figure 1, the method includes:

Step 101 , in the shooting preview stage of the manual shooting mode, acquire the parameter value of at least one shooting parameter.

Exemplarily, the mobile terminal in the embodiment of the present application may include a mobile device provided with a display screen, such as a mobile phone, a tablet computer, and a camera.

Exemplarily, the manual shooting mode is one of the many modes under the camera function, which requires the user to manually adjust the shooting parameters according to the scene and shooting requirements when taking a photo, so as to get the desired effect. The shooting preview stage is the stage where the camera collects and displays the preview image in real time after the shooting function is turned on and before shooting is clicked. The shooting parameters are the parameters that the user can adjust when taking pictures in the manual shooting mode, including: exposure time, sensitivity, manual At least one of focus, exposure compensation, contrast, and white balance.

In the shooting preview stage of the manual shooting mode, the user usually needs to manually adjust at least one shooting parameter according to his own needs, and the shooting parameter obtained at this time is at least one shooting parameter adjusted by the user. For example, if a user wants to shoot a night scene, the light in the night scene is weak and needs to be supplemented with light, the sensitivity in the shooting parameters needs to be lowered, and the exposure time should be increased at the same time. parameter value.

Optionally, when obtaining the parameter value of at least one shooting parameter, it may be detected that the user adjusts the shooting parameter operation, and obtains the parameter value of each shooting parameter adjusted by the user in real time. For example, the user, on the shooting parameter editing interface, Every time a parameter value of a shooting parameter is adjusted, the parameter value of the shooting parameter is obtained in real time. It may also be to obtain the parameter value of at least one shooting parameter adjusted by the user after it is detected that the operation of adjusting the shooting parameters by the user is completed. And acquire parameter values of all shooting parameters adjusted by the user in the shooting parameter editing interface this time.

Step 102. Obtain a corresponding preview image according to the parameter value.

Exemplarily, when the user adjusts the parameter values of the shooting parameters, only one or several of the parameters may be adjusted, and when obtaining the preview image, it is necessary to control the camera to collect the preview image in combination with all the shooting parameters. Therefore, the parameter value based on which the preview image is obtained includes not only the parameter value of the shooting parameter adjusted by the user this time, but also the parameter value of the shooting parameter not adjusted by the user this time. For the shooting parameters that are not adjusted by the user, select the parameter value of the shooting parameter defaulted by the system, or select the parameter value of the shooting parameter used by the user in the manual shooting mode last time.

In the embodiment of the present application, obtaining the corresponding preview image according to the parameter value may be to set the parameter value of the camera-related shooting parameters according to at least one parameter value adjusted by the user, and retain the last shooting parameter for the shooting parameters not adjusted by the user. parameter value at time. Alternatively, the latest parameter value can be formed by at least one parameter value set by the user and other parameter values defaulted by the system, and the parameter values of various shooting parameters of the camera can be adjusted according to the latest parameter value. After the adjustment is completed, the camera is controlled to collect the preview image, and the preview image collected by the camera is acquired in real time for display.

Optionally, if the user does not adjust the parameter values of the shooting parameters in the manual shooting mode, step 101 may be skipped, and step 102 may be directly performed to obtain corresponding preview images according to the parameter values of various shooting parameters defaulted by the system, or Retain the parameter values of various shooting parameters in the last shooting to obtain the corresponding preview image.

Step 103, evaluating the picture quality of the preview image.

Exemplarily, the picture quality of the preview image is a standard for judging whether the shooting effect is good or bad, and the evaluation items corresponding to the picture quality include picture clarity, picture brightness, whether the focus is accurate, whether the shooting object is complete, whether the picture composition is reasonable, and a beautification scheme Is at least one of reasonable. Among them, whether the picture clarity, picture brightness and focus are accurate or not is to evaluate the picture quality from the perspective of whether the shooting parameter settings are reasonable, while whether the shooting object is complete, whether the picture composition is reasonable, and whether the beautification scheme is reasonable are to evaluate the picture from the beauty of the picture Quality, combining the reasonableness of shooting parameter settings and the aesthetics of the picture to evaluate the picture quality of the preview image, making the evaluation result more comprehensive and accurate. Optionally, selecting an evaluation item corresponding to this evaluation from multiple evaluation items may be automatically selected by the system, or the user may manually select at least one corresponding evaluation item according to his or her own needs.

Optionally, when evaluating the picture quality of the preview image, each evaluation item may correspond to a scoring system; when there is one evaluation item, the evaluation result includes the scoring result of the scoring system corresponding to the evaluation item; For each evaluation item, the evaluation results include: the scoring results of each scoring system corresponding to multiple evaluation items, the weighted score of multiple scoring systems corresponding to multiple evaluation items, or the average score of multiple scoring systems corresponding to multiple evaluation items Wait. Of course, the content of the above scoring results is only for illustrative illustration, and there may be other content, which is not limited in this application.

Specifically, a corresponding scoring system can be set for each evaluation item, and each evaluation item can be scored according to the scoring system corresponding to the evaluation item. For example, the scoring system corresponding to the evaluation item of clarity can be based on the clarity of the image. The degree of sharpness is compared with the scoring standard stored by itself, and the sharpness score is performed for the image.

If there is one evaluation item, scoring is performed according to the scoring system corresponding to the evaluation item, and the score is the picture quality evaluation result of the preview image. If there are multiple evaluation items, each evaluation item can be scored according to its corresponding scoring system, and the set of scores corresponding to each evaluation item can be used as the picture quality evaluation result of the preview image. After scoring by the scoring system, the mean value of the scores of each evaluation item is calculated as the picture quality evaluation result of the preview image. It is also possible to set different weight values for each evaluation item according to user requirements, and calculate the picture quality evaluation result of the preview image according to the scores of each evaluation item and the weight value of the evaluation item. For example, if the user's needs are mainly reflected in two aspects of aesthetics and clarity, set the weight value of the picture clarity and whether the beautification scheme is reasonable among the evaluation items to be higher, and set the weight values of other evaluation items to be lower. Compute the evaluation result.

Step 104, when the evaluation result of the image quality does not meet the preset requirement, prompting the evaluation result on the preview interface.

Exemplarily, the preset requirements may include: at least one of: clear picture, reasonable brightness, accurate focus, complete object, reasonable picture composition, and reasonable beautification scheme. The preset requirement selected for this judgment may also be the preset requirement selected by the user from multiple preset requirements for this judgment according to his/her preference.

In the embodiment of the present application, when judging whether the evaluation result of the image quality evaluation meets the preset requirements, a scoring threshold can be set for the evaluation result automatically or manually in advance, and it is judged whether the evaluation result of the image quality is by comparing the evaluation result with the scoring threshold. Meet preset requirements. For example, a total score threshold (for example, 80 points) is set for the evaluation result, and when the score of the evaluation result is less than the total score threshold, it means that the picture evaluation quality does not meet the preset requirements.

Optionally, when setting the scoring threshold for the evaluation result, it may be to set its corresponding sub-scoring threshold for each evaluation item and/or set a total scoring threshold for the total evaluation result. When there are evaluation items that do not reach the sub-score threshold or a preset number of evaluation items do not reach the corresponding sub-score threshold, it means that the evaluation result of the picture quality does not meet the preset requirements; it can also be when the total number of evaluation results When the score (such as mean score or weighted score) does not reach the total score threshold, it means that the evaluation result of picture quality does not meet the preset requirements; When the scoring threshold is set, it means that the evaluation result of the image quality does not meet the preset requirements.

When displaying the evaluation results on the preview interface, it can be to show whether the picture quality meets the preset requirements, for example, to display "the clarity of the picture does not meet the requirements, it is recommended to adjust the shooting parameters" on the preview interface; it can also display the picture quality scoring results , for example, on the preview display interface, it is displayed that "Score for picture clarity is 30 points, score for brightness is 80 points, total score is 60 points, it is recommended to adjust the shooting parameters"; it can also display the picture quality score and whether it meets the preset requirements at the same time, such as " The picture sharpness score is 30 points, which does not meet the sharpness requirements, and it is recommended to adjust the shooting parameters."

Optionally, in order to avoid prompting too frequently, causing disgust to the user, or sending the evaluation result prompt to the user before the user completes the final adjustment of the shooting parameters, you can receive the shooting command and the evaluation result of the picture quality does not meet the requirements. The evaluation result will be prompted on the preview interface only when it is required by the preset.

The photographing reminder method provided in the embodiment of the present application obtains the parameter value of at least one shooting parameter in the shooting preview stage of the manual shooting mode; obtains the corresponding preview image according to the parameter value; evaluates the picture quality of the preview image; when the picture When the quality evaluation result does not meet the preset requirements, the evaluation result will be prompted on the preview interface. By adopting the above technical solution, the mobile terminal can evaluate and prompt the photographing quality in the manual photographing mode, and optimize the photographing function in the manual photographing mode of the mobile terminal.

In some embodiments, after prompting the evaluation result on the preview interface, it further includes: ignoring the prompt when a preset operation is received. The advantage of this setting is that it can flexibly take pictures according to the actual needs of the user while providing the picture prompt. For example, the user's demand is to shoot blurred effects. When the mobile terminal prompts the evaluation result on the preview interface, it receives the user's preset operation, indicating that the user still wants to shoot after knowing that the shooting effect is blurred. At this time, ignore the prompt and proceed directly. Shooting, making the camera function more flexible.

In some embodiments, prompting the evaluation result on the preview interface includes: analyzing the reason why the evaluation result does not meet the preset requirements; determining the target shooting parameter item to be adjusted according to the reason; Prompts are made for the target shooting parameter items. The advantage of this setting is that it not only reminds the user that the quality of the shooting picture is not high at this time, but also finds out the factors that affect the shooting quality and prompts the user for the parameter items that need to be adjusted, which prevents non-professional users from knowing that the shooting quality is not high Specifically adjust which shooting parameters. This ensures that non-professional users can also shoot high-quality images under the guidance of prompts, and optimizes the camera function.

In some embodiments, the prompting of the target shooting parameter item on the preview interface includes: determining the adjustment trend or the corresponding target parameter value corresponding to the target shooting parameter item; Prompt for the target parameter value. The advantage of this setting is that it not only reminds the user of the parameter items that need to be adjusted, but also prompts the user how to adjust the parameter items, providing users with more detailed and accurate prompt information, and then more accurately guiding the user to adjust the parameter items. Adjust the operation to further optimize the camera function.

In some embodiments, the evaluation items corresponding to the picture quality include at least one of picture clarity, picture brightness, whether the focus is accurate, whether the photographed object is complete, whether the picture composition is reasonable, and whether the beautification scheme is reasonable. The advantage of this setting is that the image quality is evaluated from multiple dimensions, which makes the evaluation effect more accurate, and then can more accurately find the reason for the low image quality, and prompt the user to take a high-quality image.

In some embodiments, each evaluation item may correspond to a scoring system; when there are multiple evaluation items, the evaluation result includes weighted scores of the multiple scoring systems corresponding to the multiple evaluation items. The advantage of this setting is that calculating the weighted scores of multiple scoring systems can change the weight value of each evaluation item according to actual needs, making the evaluation results more suitable for the needs of the actual shooting scene, thereby improving the accuracy of image quality evaluation. The weight value corresponding to each evaluation item is not fixed, but can be changed according to different shooting scene requirements. For example, in the selfie scene, the weight value corresponding to the evaluation item of the beautification scheme will be set higher accordingly. When shooting night scenes, the weight value corresponding to the evaluation item of screen brightness will be set higher.

In some embodiments, when the evaluation result of the picture quality does not meet the preset requirements, it further includes: determining the corresponding shooting skill information according to the evaluation result; providing the shooting skill information to the user for the user to evaluate The shooting skill information is learned. The advantage of this setting is that it not only reminds the user of the shooting parameters to be adjusted and how to adjust them, but also provides the user with shooting skills to improve the current low-quality picture. The prompt information is more comprehensive and can better help the user to shoot High-quality images further optimize the camera function.

Fig. 2 is a schematic flowchart of another method for taking pictures and reminding provided by the embodiment of the present application, the method includes the following steps:

Step 201 , in the shooting preview stage of the manual shooting mode, acquire the parameter value of at least one shooting parameter.

Step 202. Obtain a corresponding preview image according to the parameter value.

Step 203, evaluating the picture quality of the preview image.

Step 204 , judging whether the evaluation result of the picture quality meets the preset requirement, if yes, execute step 211 , if not, execute step 205 .

Exemplarily, it is judged whether the evaluation result of the image quality meets the preset requirements. If the preset requirements are met, it means that the preview image is a high-quality image, and the shooting parameters adjusted by the user are accurate. At this time, step 211 is executed to directly shoot the preview image. If the preset requirements are not met, it means that the shooting parameters adjusted by the user are inaccurate, and the user needs to be prompted to make adjustments. At this time, step 205 is performed to analyze the reasons for not being satisfied, and then prompt the user for the target shooting parameter items that need to be adjusted.

Step 205, analyzing the reason why the evaluation result does not meet the preset requirements.

Exemplarily, when analyzing the reason why the evaluation result fails to meet the preset requirements, it may first analyze the key factors in the evaluation results that cause the failure to meet the preset requirements, that is, the specific evaluation items that do not meet the preset requirements. For example, the analysis and evaluation results do not meet the preset requirements of clear picture, reasonable brightness, accurate focus, complete shooting object, reasonable picture composition and reasonable beautification scheme, and then analyze the reasons for the failure according to the specific requirements that have not been met . For example, after analyzing that the brightness is unreasonable, further analysis is performed whether the brightness is too high or too low to meet the preset requirements.

Step 206, determine the target shooting parameter item to be adjusted according to the reason.

Exemplarily, when the target shooting parameter item to be adjusted is determined according to the reason, the shooting parameter that can avoid the reason may be determined according to the reason that the preset requirement is not met, and the shooting parameter is determined as the target shooting parameter item. For example, if the reason why the preset requirement is not met is that the brightness of the image is dark, then at least one shooting parameter (such as exposure time, sensitivity, and exposure compensation) that affects the shooting brightness can be determined as the target shooting parameter.

Optionally, when there are multiple determined shooting parameters that can improve the image quality, the final target shooting parameter item may be determined by referring to the order in which the shooting parameters are adjusted by the user. Specifically, when the user enters the manual shooting mode to adjust various shooting parameters, he usually adjusts the shooting parameters that he thinks are more important first. The user will not easily modify the important shooting parameters. , the shooting parameters that have not been adjusted by the user may be given priority, and if not, then the target shooting parameter items are determined from the back to the front according to the order in which the user adjusts the shooting parameters. Furthermore, the problem of not meeting the preset requirements can also be solved and high-quality images can be captured without adjusting the shooting parameters that the user considers to be more important.

Step 207, prompting the target shooting parameter items on the preview interface.

Exemplarily, after determining the target shooting parameter item to be adjusted, the target shooting parameter item can be displayed on the preview interface, so that the user not only knows that the picture quality of the preview image is not high, but also knows which parameter items can be adjusted to improve shooting quality.

Since the users who are shooting may be non-professional users, they don’t know much about the adjustment of shooting parameters. They prompt the target shooting parameters that need to be adjusted, but they still don’t know how to adjust them. Prompting the target shooting parameter item includes: determining the adjustment trend or the corresponding target parameter value corresponding to the target shooting parameter item; and prompting the adjustment trend or the target parameter value on the preview interface.

Exemplarily, the target parameter value may be the parameter value to be adjusted corresponding to the target shooting parameter item. After determining the target shooting parameter item, it is necessary to further determine how to adjust the target shooting parameter item, for example, whether the adjustment trend of the parameter value is to be increased or decreased, or the size of the target parameter value. And display the adjustment trend of the parameter value or the size of the target parameter value on the preview interface.

Exemplarily, FIG. 3 is a schematic diagram of an interface that prompts a parameter value adjustment trend provided in an embodiment of the present application. As shown in the figure, a prompt box can pop up on the preview interface of the mobile terminal, and the text content "increase the sensitivity, reduce the exposure time" is displayed in the prompt box, and three options "relevant shooting skills" can be displayed below the text content of the prompt message , "Modify" and "Ignore", for the user to choose, if the user clicks "Related Shooting Skills", then enter step 208, and further obtain the shooting skills for the evaluation results for the user to learn; if the user clicks "Modify", then enter Shooting parameter editing interface, to adjust the parameter value of the shooting parameter; if the user clicks "ignore", the prompt box will be closed and the preview interface will return.

Step 208: Determine corresponding shooting skill information according to the evaluation result.

Exemplarily, the shooting skill information may be some shooting skill information stored in the mobile terminal to improve the shooting quality, or it may be shooting skill information downloaded from the Internet by the mobile terminal according to the requirement of the evaluation result.

Exemplarily, the shooting skill information may be skill information for adjusting shooting parameter items. For example, if it is found that the user is shooting a running dog and the shooting picture is blurry according to the evaluation result, the shooting skill information determined according to the evaluation result may be "in When capturing moving objects, it is better to use a relatively low exposure time to reduce the amount of incoming light to prevent blurred shots. If you choose a longer exposure time, you must keep your phone stable, otherwise the captured image will be blurred easily. However, if the ambient light is insufficient , it is recommended to choose a longer exposure time". Shooting skill information can also be skill information that improves the aesthetics of shooting (such as picture composition, aesthetics or integrity, etc.). The shooting skill information determined by the evaluation results can be the "rule of thirds" composition method. When taking a photo, imagine that there are two vertical and horizontal lines on the top of the screen to form a grid. Put important lines and dividing lines, such as horizontal lines, on the top of the picture. on the grid lines; put important elements at intersections".

Step 209 , providing the shooting skill information to the user, so that the user can learn the shooting skill information.

Exemplarily, FIG. 4 is a schematic diagram of an interface for prompting shooting skills provided by the embodiment of the present application. As shown in the figure, a prompt box can pop up on the preview interface of the mobile terminal, and the text content is displayed in the prompt box "When capturing a moving object, a shorter exposure time is preferred to reduce the amount of incoming light to prevent blurred shooting. If you choose If you set a longer exposure time, you must keep your phone stable, otherwise the captured image will be blurred, but if the shooting environment is not well lit, it is recommended to choose a longer exposure time." Two options "Modify " and "Close" for the user to choose. If the user clicks "Modify", it will enter the adjustment interface of the shooting parameter item and adjust the parameter value of the shooting parameter; if the user clicks "Close", the prompt box will be closed and the return will be returned. Preview interface. For example, after learning the shooting skills, the user can click "Modify" to modify the relevant shooting parameters, or click "Close" to return to the preview interface and adjust the shooting angle and position to improve the aesthetics of the image.

Step 210, ignore the prompt when the preset operation is received.

Exemplarily, the preset operation may be set by default by the system, or may be preset by the user according to his or her own needs, and is used to indicate that shooting is still to be performed after receiving the prompt. Optionally, the preset operation can be click operations such as clicking the shooting button and ignoring the button; it can also be the user's touch or non-touch gesture track; it can also be the user's preset voice, for example, "continue shooting" or "ignore the prompt" " and other voice messages.

Exemplarily, when the mobile terminal receives a preset operation from the user, it ignores the prompt information, and executes step 211 to capture the captured image. For example, it may be to return to the preview interface from the prompt interface to shoot images when receiving the preset operation of clicking the "ignore" button on the prompt interface by the user. Alternatively, after returning to the preview interface from the prompt interface, when a preset operation of double-clicking the shooting button by the user is received, the image is captured on the preview interface.

Step 211, taking a picture of the preview image.

It should be noted that, in the embodiment of the present application, steps 205 to 207 are the process of prompting the user for target shooting parameter items that need to be modified according to the evaluation results, and steps 208 to 209 are the process of providing shooting skill information to the user according to the evaluation results . The two processes may be performed simultaneously, for example, when it is determined in step 204 that the evaluation result of the picture quality does not meet the preset requirement, step 205 and step 208 are performed simultaneously. It is also possible to execute steps 205 to 207 first, and then execute steps 208 to 209. For example, after the user is prompted for the target shooting parameter item that needs to be modified, when the user wants to learn related shooting skills, he can then execute steps 208 to 209 . It is also possible to execute only one of the two procedures. For example, the preview image is due to the unreasonable composition of the image to meet the preset requirements. At this time, adjusting the target shooting parameters cannot solve the problem. At this time, steps 208 to 209 can be directly performed to provide the user with some shooting skills of image composition to help Users solve problems.

Optionally, when the preset requirements are not met, the mobile terminal can automatically determine which step to perform next according to the quality evaluation result. When solving the problem, choose to perform steps 205 to 207; if the quality assessment results show that the picture composition is unreasonable, the picture is not beautiful, or the subject is incomplete, etc., and can be solved by shooting skills, choose to perform steps 208 to 207. 209. If the problem displayed by the quality evaluation result can be solved by adjusting the shooting parameters or shooting skills, steps 205 and 208 can also be performed at the same time, allowing the user to choose a specific adjustment method according to his own needs.

In the embodiment of the present application, the mobile terminal can obtain the parameter value of at least one shooting parameter in the shooting preview stage of the manual shooting mode; obtain the corresponding preview image according to the parameter value; evaluate the picture quality of the preview image; when the evaluation result of the picture quality When the preset requirements are not met, the target parameter items and/or shooting skills to be adjusted will be prompted on the preview interface. If the user’s preset operation is still received after the prompt, the prompt will be ignored and the shooting will be carried out. Accurately evaluate the photo quality and provide users with comprehensive parameter adjustment prompts to optimize the photo function in the manual shooting mode of the mobile terminal.

Fig. 5 is a structural block diagram of a camera prompting device provided by an embodiment of the present application. The device can be implemented by software and/or hardware, and is generally integrated in a terminal. It can take pictures for users in manual shooting mode by executing the camera prompting method hint. As shown in Figure 5, the device includes:

A parameter value acquisition module 501, configured to acquire the parameter value of at least one shooting parameter during the shooting preview stage of the manual shooting mode;

A preview image acquisition module 502, configured to acquire a corresponding preview image according to the parameter value;

A picture quality evaluation module 503, configured to evaluate the picture quality of the preview image;

The prompting module 504 is configured to prompt the evaluation result on the preview interface when the evaluation result of the picture quality does not meet the preset requirements.

The photo prompting device provided in the embodiment of the present application obtains the parameter value of at least one shooting parameter in the shooting preview stage of the manual shooting mode; obtains the corresponding preview image according to the parameter value; evaluates the picture quality of the preview image; when the picture When the quality evaluation result does not meet the preset requirements, the evaluation result will be prompted on the preview interface. By adopting the above technical solution, the mobile terminal can evaluate and prompt the photographing quality in the manual photographing mode, and optimize the photographing function in the manual photographing mode of the mobile terminal.

Optionally, the device also includes:

The prompt ignoring module is configured to ignore the prompt when a preset operation is received.

Optionally, the evaluation result is prompted on the preview interface, including:

Analyzing the reasons why the evaluation results do not meet the preset requirements;

Determine the target shooting parameter item to be adjusted according to the reason;

The target shooting parameter items are prompted on the preview interface.

Optionally, the prompting of the target shooting parameter items on the preview interface includes:

Determine the adjustment trend or corresponding target parameter value corresponding to the target shooting parameter item;

The adjustment trend or target parameter value is prompted on the preview interface.

Optionally, the evaluation items corresponding to the picture quality include at least one of picture clarity, picture brightness, whether the focus is accurate, whether the photographed object is complete, whether the picture composition is reasonable, and whether the beautification scheme is reasonable.

Optionally, each evaluation item corresponds to a scoring system;

When there are multiple evaluation items, the evaluation result includes weighted scores of multiple scoring systems corresponding to the multiple evaluation items.

Optionally, when the evaluation result of the picture quality does not meet the preset requirements, it also includes:

Determine the corresponding shooting skills information according to the evaluation results;

The shooting skill information is provided to the user for the user to learn the shooting skill information.

The embodiment of the present application also provides a storage medium containing computer-executable instructions, and the computer-executable instructions are used to execute a method for prompting a photo when executed by a computer processor, the method comprising:

In the shooting preview stage of the manual shooting mode, obtain the parameter value of at least one shooting parameter;

Obtaining a corresponding preview image according to the parameter value;

Evaluate the picture quality of the preview image;

When the evaluation result of the image quality does not meet the preset requirement, the evaluation result is prompted on the preview interface.

storage medium - any of various types of memory devices or storage devices. The term "storage medium" is intended to include: installation media, such as CD-ROMs, floppy disks, or tape drives; computer system memory or random access memory, such as DRAM, DDRRAM, SRAM, EDORAM, Rambus RAM, etc.; Volatile memory, such as flash memory, magnetic media (eg hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. Also, the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network such as the Internet. The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems connected by a network. The storage medium may store program instructions (eg embodied as computer programs) executable by one or more processors.

Of course, a storage medium containing computer-executable instructions provided in the embodiments of the present application, the computer-executable instructions are not limited to the above-mentioned photographing prompt operation, and can also execute the photographing prompt method provided in any embodiment of the present application. related operations.

An embodiment of the present application provides a mobile terminal, and the mobile terminal can be integrated with the photographing prompt device provided in the embodiment of the present application. FIG. 6 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present application. The mobile terminal 600 may include: a memory 601, a camera 602, a processor 603, and a computer program stored on the memory and operable by the processor. How to take pictures.

The mobile terminal provided by the embodiment of the present application can evaluate and prompt the photographing quality in the manual photographing mode, and optimize the photographing function in the manual photographing mode of the mobile terminal.

FIG. 7 is a schematic structural diagram of another mobile terminal provided by an embodiment of the present application. The mobile terminal may include: a casing (not shown in the figure), a memory 701, and a central processing unit (central processing unit, CPU) 702 (also Said processor, hereinafter referred to as CPU), circuit board (not shown in the figure) and power supply circuit (not shown in the figure). The circuit board is placed inside the space enclosed by the housing; the CPU702 and the memory 701 are arranged on the circuit board; the power supply circuit is used to supply power to each circuit or device of the mobile terminal The memory 701 is used to store executable program codes; the CPU702 executes a computer program corresponding to the executable program codes by reading the executable program codes stored in the memory 701, to achieve the following steps:

In the shooting preview stage of the manual shooting mode, obtain the parameter value of at least one shooting parameter;

Obtaining a corresponding preview image according to the parameter value;

Evaluate the picture quality of the preview image;

When the evaluation result of the image quality does not meet the preset requirement, the evaluation result is prompted on the preview interface.

The mobile terminal also includes: peripheral interface 703, RF (Radio Frequency, radio frequency) circuit 705, audio circuit 706, speaker 711, power management chip 708, input/output (I/O) subsystem 709, camera 710, touch screen 712 , camera 710 , and external port 704 , these components communicate via one or more communication buses or signal lines 707 .

It should be understood that the illustrated mobile terminal 700 is only an example of a mobile terminal, and the mobile terminal 700 may have more or fewer components than those shown in the figure, and two or more components may be combined, Or can have a different component configuration. The various components shown in the figures may be implemented in hardware, software, or a combination of hardware and software including one or more signal processing and/or application specific integrated circuits.

The mobile terminal with manual shooting mode provided in this embodiment will be described in detail below, and the mobile terminal is taken as an example.

Memory 701, the memory 701 can be accessed by the CPU 702, the peripheral interface 703, etc., the memory 701 can include a high-speed random access memory, and can also include a non-volatile memory, such as one or more disk storage devices, flash memory devices , or other volatile solid-state storage devices.

Peripheral interface 703 , which can connect the input and output peripherals of the device to CPU 702 and memory 701 .

The I/O subsystem 709 , the I/O subsystem 709 can connect input and output peripherals on the device, such as a touch screen 712 and a camera 710 , to the peripheral interface 703 . The I/O subsystem 709 may include a display controller 7091 and one or more input controllers 7092 for controlling the camera 710 . Among them, one or more input controllers 7092 receive electrical signals from or send electrical signals to the camera 710, which may include physical buttons (push buttons, rocker buttons, etc.), dials, slide switches, joysticks, click buttons, etc. scroll wheel. It is worth noting that the input controller 7092 can be connected to any of the following: a keyboard, an infrared port, a USB interface, and a pointing device such as a mouse.

A touch screen 712, the touch screen 712 is an input interface and an output interface between the user's mobile terminal and the user, and displays visual output to the user, and the visual output may include graphics, text, icons, videos, and the like.

The display controller 7091 in the I/O subsystem 709 receives electrical signals from the touch screen 712 or sends electrical signals to the touch screen 712 . The touch screen 712 detects the contact on the touch screen, and the display controller 7091 converts the detected contact into an interaction with the user interface object displayed on the touch screen 712, that is, realizes human-computer interaction, and the user interface object displayed on the touch screen 712 can be a running Icons for games, icons for networking to appropriate networks, etc. It is worth noting that the device may also include an optical mouse, which is a touch-sensitive surface that does not display visual output, or that is an extension of a touch-sensitive surface formed by a touch screen.

The RF circuit 705 is mainly used to establish communication between the mobile phone and the wireless network (that is, the network side), and realize data reception and transmission between the mobile phone and the wireless network. Such as sending and receiving short messages, e-mails, etc. Specifically, the RF circuit 705 receives and sends RF signals, which are also called electromagnetic signals, and the RF circuit 705 converts electrical signals into electromagnetic signals or converts electromagnetic signals into electrical signals, and communicates with communication networks and other devices through the electromagnetic signals to communicate. RF circuitry 705 may include known circuitry for performing these functions including, but not limited to, an antenna system, an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a CODEC ( COder-DECoder, Codec) Chipset, Subscriber Identity Module (Subscriber Identity Module, SIM) and so on.

The audio circuit 706 is mainly used to receive audio data from the peripheral interface 703 , convert the audio data into electrical signals, and send the electrical signals to the speaker 711 .

The speaker 711 is used to restore the voice signal received by the mobile phone from the wireless network through the RF circuit 705 into sound and play the sound to the user.

The power management chip 708 is used for power supply and power management for the hardware connected to the CPU 702 , the I/O subsystem and the peripheral interface.

The photographing reminder device, storage medium, and mobile terminal provided in the above embodiments can execute the photographing reminder method provided in any embodiment of the present application, and have corresponding functional modules and beneficial effects for executing the method. For technical details not exhaustively described in the above embodiments, please refer to the camera prompting method provided in any embodiment of the present application.

Note that the above are only preferred embodiments and technical principles used in this application. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present application. Therefore, although the present application has been described in detail through the above embodiments, the present application is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present application, and the present application The scope is determined by the scope of the appended claims.

Claims (10)

1. A prompting method for taking pictures, characterized in that, comprising: In the shooting preview stage of the manual shooting mode, obtain the parameter value of at least one shooting parameter; Obtaining a corresponding preview image according to the parameter value; Evaluate the picture quality of the preview image; When the evaluation result of the image quality does not meet the preset requirement, the evaluation result is prompted on the preview interface. 2. The method according to claim 1, characterized in that, after the evaluation result is prompted on the preview interface, further comprising: When a preset operation is received, the prompt is ignored. 3. The method according to claim 1, wherein prompting the evaluation result on the preview interface includes: Analyzing the reasons why the evaluation results do not meet the preset requirements; Determine the target shooting parameter item to be adjusted according to the reason; The target shooting parameter items are prompted on the preview interface. 4. The method according to claim 3, wherein the prompting of the target shooting parameter items on the preview interface includes: Determine the adjustment trend or corresponding target parameter value corresponding to the target shooting parameter item; The adjustment trend or target parameter value is prompted on the preview interface. 5. The method according to claim 1, wherein the evaluation items corresponding to the picture quality include picture clarity, picture brightness, whether the focus is accurate, whether the photographed object is complete, whether the picture composition is reasonable, and whether the beautification scheme is reasonable or not at least one of the . 6. The method according to claim 5, wherein each assessment item corresponds to a scoring system; When there are multiple evaluation items, the evaluation result includes weighted scores of multiple scoring systems corresponding to the multiple evaluation items. 7. The method according to claim 1, wherein when the evaluation result of the picture quality does not meet the preset requirements, further comprising: Determine the corresponding shooting skills information according to the evaluation results; The shooting skill information is provided to the user for the user to learn the shooting skill information. 8. A camera reminder device, characterized in that it comprises: The parameter value acquisition module is used to obtain the parameter value of at least one shooting parameter in the shooting preview stage of the manual shooting mode; A preview image acquisition module, configured to acquire a corresponding preview image according to the parameter value; A picture quality evaluation module, configured to evaluate the picture quality of the preview image; The prompting module is configured to prompt the evaluation result on the preview interface when the evaluation result of the picture quality does not meet the preset requirements. 9. A computer-readable storage medium, on which a computer program is stored, characterized in that, when the program is executed by a processor, the photographing prompt method according to any one of claims 1-7 is realized. 10. A mobile terminal, characterized in that it comprises a memory, a processor, and a computer program stored on the memory and operable on the processor, and when the processor executes the computer program, it realizes any one of claims 1-7. The above-mentioned photographing prompt method.