WO2016065999A1

WO2016065999A1 - Photo album management method and device

Info

Publication number: WO2016065999A1
Application number: PCT/CN2015/090495
Authority: WO
Inventors: 谭湛江
Original assignee: 努比亚技术有限公司
Priority date: 2014-10-29
Filing date: 2015-09-24
Publication date: 2016-05-06
Also published as: CN104408061A; CN104408061B

Abstract

A photo album management method and device. The photo album management method comprises the steps of: acquiring a currently shot picture or a picture stored in a photo album; carrying out decoding analysis on the picture, and obtaining a definition characteristic value of the picture; and when the definition characteristic value is smaller than a preset threshold, automatically deleting the picture or outputting prompt information that is used for prompting a user to delete the picture.

Description

Album management method and device

Technical field

The present invention relates to the field of camera technology, and in particular, to a photo album management method and apparatus.

Background technique

The shooting function has become an essential function for mobile terminals such as mobile phones and tablets, and users can take photos with the mobile terminal anytime and anywhere. In the process of shooting, it will inevitably produce many blurred photos. Usually, users will not process these photos in time during the shooting process, resulting in a large number of unqualified photos stored in the album, which wastes storage space and needs users in the future. When processing, you need to view them one by one, perform manual deletion, and the operation is cumbersome and inefficient. At the same time, when users go out to play, they often take multiple photos with the same attraction as the background, resulting in many similar photos. Because they are not classified, the photos in the album look disorganized, and it is not convenient for users in the future. Manage these photos.

Summary of the invention

The main purpose of the embodiments of the present invention is to provide a method and device for managing a photo album, which aims to automatically manage the photo album and improve management efficiency.

To achieve the above objective, an embodiment of the present invention provides a method for managing a photo album, including the steps of:

Get the currently taken photo, or get the photo stored in the album;

Decoding and analyzing the photo to obtain a sharpness feature value of the photo;

When the clarity feature value is less than a preset threshold, the photo is automatically deleted, or prompt information is output, and the prompt information is used to prompt the user to delete the photo.

As an implementation manner, the acquiring the currently taken photo includes:

During the shooting, each time a photo is taken, the photo is taken.

Preferably, the obtaining the photo stored in the album comprises: when the preset condition is met or When a user instruction is received, the album is scanned to obtain a photo stored in the album.

As an implementation manner, the method further includes:

Presetting a reference photo, obtaining a sharpness feature value corresponding to the reference photo, and determining the threshold based on a sharpness feature value of the reference photo.

As an implementation manner, when the clarity feature value is less than a preset threshold, automatically deleting the photo or outputting prompt information includes:

When the sharpness feature value of the photo is less than the first preset threshold, the photo is automatically deleted;

When the clarity feature value of the photo is not less than the first preset threshold and is not greater than the second preset threshold, the prompt information is output, and the prompt information is used to prompt the user to delete the photo.

As an implementation manner, the method may further include:

When the sharpness feature value of the photo is greater than the second preset threshold, the terminal retains the photo.

As an implementation manner, the method further includes:

Scan the photos in the album to get the background features of each photo;

Combine photos with the same background features into one photo group.

As an embodiment, the method further includes marking the number of photos in the group of photos on the group of photos.

As an embodiment, the photo overlay with the same background feature is combined into one photo group, including:

The background element feature values of each photo are extracted as background features, and the photos with the same background features are extracted by comparing the background element feature values; and the extracted photo features are identically combined into one photo group.

As an implementation manner, the method further includes:

A photo is selected from the photo group, and the selected photo is used as a cover of a folder corresponding to the photo group.

As an embodiment, the method further includes: displaying the number of photos at the first position of the folder corresponding to the photo group.

The embodiment of the invention simultaneously provides an album management device, which comprises an acquisition module, an analysis module and a processing module, wherein:

Obtaining a module, configured to acquire a currently photographed photo, or obtain a photo stored in the photo album, and send the photo to the analysis module;

An analysis module, configured to perform decoding analysis on the photo, obtain a sharpness feature value of the photo, and determine whether the sharpness feature value is less than a preset threshold, and send the determination result to the processing module;

The processing module is configured to automatically delete the photo or output prompt information when the clarity feature value is less than a preset threshold, where the prompt information is used to prompt the user to delete the photo.

As an embodiment, the album management device further includes a shooting module, the shooting module is configured to take a photo, and the acquiring module is configured to acquire a photo taken by the shooting module.

As an implementation manner, the analysis module is configured to obtain a sharpness feature value corresponding to the preset reference photo, and determine the threshold based on the sharpness feature value of the reference photo.

In an embodiment, the processing module is further configured to automatically delete the photo when the sharpness feature value of the photo is less than the first preset threshold; when the sharpness feature value of the photo is not less than the first preset threshold, and When not greater than the second preset threshold, the prompt information is output, and the prompt information is used to prompt the user to delete the photo.

As an implementation manner, the processing module is further configured to: when the clarity feature value of the photo is greater than a second preset threshold, the terminal retains the photo.

As an implementation manner, the acquiring module is configured to: when the preset condition is met or when a user instruction is received, scan the album to obtain a photo stored in the album.

As an implementation manner, the album management apparatus further includes a classification module, configured to: scan a photo in the album, obtain a background feature of each photo, and back Photo overlays with the same feature are combined into one photo group.

As an embodiment, the classification module is further configured to: mark the number of photos in the photo group on the photo group.

As an embodiment, the classification module is further configured to extract a background element feature value of each photo as a background feature, and extract a photo with the same background feature by comparing the background element feature values; and extracting the same background feature These photo overlays are combined into one photo group.

As an implementation manner, the classification module is further configured to: select a photo from the photo group, and use the selected photo as a cover of a folder corresponding to the photo group.

As an embodiment, the classification module is further configured to display the number of photos at the first position of the folder corresponding to the photo group.

The album management method and device provided by the present invention can obtain the sharpness feature value of the photo in the currently photographed photo album or the photo album, and evaluate the sharpness of the photo according to the sharpness feature value, which does not meet the requirements for the definition. The photo is automatically deleted or prompted to be deleted by the user. Thereby, the automatic management of the photos in the album is realized, and the fuzzy photos with poor quality in the album can be quickly cleaned up, thereby improving the management efficiency.

In particular, during the shooting process, the currently taken photos are analyzed and processed, so that the photos stored in the album during shooting are high-quality photos, avoiding the storage of unqualified photos in the album and occupying the storage space without the user having to shoot After the completion, manually delete them one by one from the album, which improves the efficiency and improves the user experience.

At the same time, by superimposing photos taken in the same background to form a photo group, the photos can be displayed more simply and clearly in the album, which is convenient for the user to view and manage similar photos in the future, such as deleting some photos and retaining relatively good results. Photo.

DRAWINGS

1 is a flow chart of a first embodiment of a photo album management method of the present invention;

2 is a flow chart of a second embodiment of the album management method of the present invention;

3 is a flow chart of a third embodiment of the album management method of the present invention;

4 is a block diagram showing a first embodiment of a photo album management apparatus of the present invention;

Figure 5 is a block diagram showing a second embodiment of the album management device of the present invention;

Figure 6 is a block diagram showing a third embodiment of the album management apparatus of the present invention.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to FIG. 1, a first embodiment of a photo album management method according to the present invention is proposed. The photo album management method includes the following steps:

Step S10: Scan the album to obtain the photos stored in the album.

In this embodiment, the definition management of the stock photos stored in the album is performed.

The terminal can manage the resolution of the album when the preset condition is met, for example, management is performed once every time, the number of photos in the album reaches a preset number of times, and the number of photos added in the album reaches the preset sheet. The number is managed once, etc.; the user can also issue instructions to initiate the definition management at any time. The album refers to a storage space (such as a folder) for storing photos (including pictures), and may be a local album of the terminal or a cloud album.

When the terminal starts the definition management, the album is scanned and the photos stored in the album are obtained one by one.

Step S11: Perform decoding analysis on the photo to obtain a sharpness feature value of the photo.

The picture is decoded and analyzed to obtain the sharpness feature value of the photo, and the implementation manner can be achieved by hardware decoding (that is, using a DSP chip for hard decoding), and the speed is fast. Software decoding can also be used, that is, the existing algorithm is used for decoding analysis.

The image sharpness is an important index of image processing and recognition. In the embodiment of the present invention, the image evaluation function can be used to define the sharpness feature value of the image.

Wherein, the image evaluation function is used to define the sharpness feature value of the picture, which may include an evaluation function based on the frequency domain feature, that is, the Fourier transform is implemented by an algorithm, and the spectral function is used to evaluate the image sharpness, and the photo is clear. Degree feature value.

Step S12: determining whether the sharpness feature value is less than a preset threshold.

The obtaining the preset threshold may include the following methods:

One may be customized by the user according to the actual situation, for example, directly input the corresponding value in the menu corresponding to the setting parameter as the threshold value;

Or, another method, preset a reference photo, obtain a sharpness feature value corresponding to the reference photo, and determine the threshold based on a sharpness feature value of the reference photo; for example, the acquired The sharpness feature value of the reference photo is used as a threshold.

If it is less than the preset threshold, it indicates that the resolution of the photo is low, and if it does not meet the requirement, the process proceeds to step S13; if the preset threshold is exceeded, indicating that the resolution of the photo meets the requirements, the process proceeds to step S14, and the photo is not processed, and the image is retained. The photo.

Step S13: automatically deleting the photo or outputting the prompt information, wherein the prompt information is used to prompt the user to delete the photo.

By performing the above step S12, if it is found that the resolution of the photo does not meet the requirements, the terminal can automatically delete the photo, and thus, the storage space of the terminal can be saved by deleting the photo whose resolution feature value does not meet the requirement.

In this step, the output prompt message may also be: a pop-up dialog box, asking the user whether to delete by prompting information, if the user selects yes, deleting the photo, if the user selects otherwise, the photo is retained.

Step S14: The photo is retained.

Thus, the present embodiment obtains the sharpness of the photo by scanning the photos in the album. The feature value evaluates the sharpness of the photo according to the sharpness feature value, and automatically deletes or prompts the user to delete the photo whose resolution is not satisfactory. Thereby, the resolution management of the photos in the album is automatically performed, and the blurred photos with poor quality in the album can be quickly cleaned, without the need for the user to manually delete and delete one by one, thereby improving the efficiency and improving the user experience.

Referring to FIG. 2, a second embodiment of the album management method of the present invention is proposed. The album management method includes the following steps:

Step S20: Take a photo.

In this embodiment, when the terminal takes a photo, the definition management function is automatically started.

Step S21: Acquire the currently photographed photo.

During the shooting, each time the terminal takes a picture, the current picture is taken.

Step S22: Perform decoding analysis on the photo to obtain a sharpness feature value of the photo.

Photo sharpness is an important indicator of image processing and recognition. In the embodiment of the present invention, an image evaluation function can be used to define the sharpness feature value of the picture.

The image evaluation function is used to define the sharpness feature value of the image, which may include implementing a Fourier transform by an algorithm, and using a spectral function to evaluate the image sharpness, and obtaining a photo sharpness feature value. This part of the technology is more existing and will not be described.

Step S23: determining whether the sharpness feature value is less than a preset threshold, if it is less than the preset threshold, indicating that the resolution of the photo is low, not meeting the requirement, and proceeding to step S24; if the preset threshold is exceeded, indicating that the resolution of the photo is consistent If it is requested, the process proceeds to step S25, and the photo is stored in the album.

The user can customize the setting threshold, such as directly inputting the corresponding value, or specifying a reference photo, and the terminal automatically acquires the sharpness feature value of the reference photo and uses it as a threshold.

Step S24: automatically deleting the photo or outputting prompt information, the prompt information is used to prompt the user to delete the photo.

When the clarity of the photo is found to be unsatisfactory, the terminal can automatically delete the photo to save storage space.

Alternatively, the user may be prompted to delete the photo, such as a pop-up dialog box asking the user whether to delete, if the user selects yes, the photo is deleted, and if the user selects, the photo is stored in the album.

Step S25: The photo is stored in the album.

Therefore, in the shooting process, the photograph is taken in real time, and the photographed photograph is evaluated in real time, and the photographs whose resolution is not in conformity are automatically deleted or prompted to be deleted in time, and the photographs with the definition conforming to the requirements are Stored in an album. Therefore, the photos stored in the album at the time of shooting are all photos with the quality requirements, and the blurred photos are stored in the album to occupy the storage space, and the user is manually deleted from the album after the shooting is completed, thereby improving the efficiency. , improved user experience.

In the above embodiment, the preset threshold may be set to two or more, such as setting a first preset threshold and a second preset threshold, and the first preset threshold is smaller than the second preset threshold. In this case, in the above embodiment, when the clarity feature value is less than the preset threshold, automatically deleting the photo or outputting the prompt information may include:

Correspondingly, the method may further include: when the sharpness feature value of the photo is greater than a second preset threshold, the terminal retains the photo.

Referring to FIG. 3, a third embodiment of the album management method of the present invention is proposed. The album management method includes the following steps:

Step S30: Scan the album.

In this embodiment, the operation of scanning the album is performed by opening the classification management of the photos in the album.

The terminal can start to start the classification management of the album when the preset condition is met, for example, periodically perform classification management, that is, once every time period of management, and the number of photos in the album reaches a preset number of times. Manage, add the number of photos in the album to the preset number of pages for management, etc.;

Alternatively, the user may issue an instruction to initiate classification management;

Or, the photographed photos are classified and managed immediately after the user completes the shooting.

Step S31: Acquire the background feature of each photo in the album.

Wherein the background feature is a background element feature value.

Step S32: Combining photo overlays having the same background feature into one photo group.

The step is specifically: extracting the background element feature value of each photo as a background feature, extracting photos with the same background feature based on the comparison of the background element feature values; and combining the extracted photo features with the same background features into one photo group .

That is to say, at least one of the photos in the same photo group is a photo taken in the same or similar background. In this embodiment, the number of photos included in the photo group is not limited, and may be one photo. In the current all photos, there are no other photos having the same or similar background as the photo; or, two or more may be used. photo.

The extracting the photo with the same background feature by using the background element feature value comparison may include: determining a photo with the similarity greater than a preset threshold based on the background element feature value, the threshold may be 90%. The determining the similarity may obtain a similarity between a smaller one of the two background element feature values and a percentage of the other background element feature value.

Preferably, the embodiment may further include: selecting a photo from the photo group, and using the selected photo as a cover of a folder corresponding to the photo group.

Wherein, the manner of selecting a photo may include one of the following:

The topmost photo in the photo group is used as the cover of the photo group;

A photo may be randomly selected from the photo group as a cover;

It is also possible for the user to specify one as a cover.

In addition, the display form of the corresponding folder of the photo group may be different from other single photos, and may be set to be displayed in the form of frame highlighting, border rounding, and the like.

Moreover, the method may further include displaying the number of photos at the first location of the folder corresponding to the photo group. Wherein, the first position may be in the lower right corner of the photo group.

When the user clicks on the photo group, the superimposed photo is automatically expanded, so that the photo displayed in the album is simpler and clearer, and the user is more convenient to view the photo.

Therefore, the present embodiment forms a photo group by superimposing photos taken in the same background, so that the photo can be displayed more simply and clearly in the album, so that the user can view and manage similar photos in the future, such as deleting some photos to keep shooting. A photo with relatively good results improves the user experience.

Referring to FIG. 4, an album management apparatus of the present invention is proposed. The album management apparatus includes an acquisition module, an analysis module, and a processing module.

Get module: used to get the photos stored in the album and send them to the analysis module.

The acquisition module may scan the album when the preset condition is currently met or when receiving the user instruction, and obtain the photos stored in the album one by one. The meeting the preset condition means that the preset time or time period is reached, the number of photos in the album reaches a preset number of sheets, the number of newly added photos in the album reaches a preset number of sheets, and the like.

The album refers to a storage space (such as a folder) for storing photos (including pictures), and may be a local album of the terminal or a cloud album.

The analysis module is configured to perform decoding analysis on the photo, obtain a sharpness feature value of the photo, and determine whether the sharpness feature value is less than a preset threshold, and send the determination result to the processing module.

The analysis module decodes and analyzes the photo to obtain the sharpness feature value of the photo, and realizes The method can be decoded by hardware (that is, using a DSP chip for hard decoding), and the speed is fast. Software decoding can also be used, that is, the existing algorithm is used for decoding analysis.

Photo sharpness is an important indicator of image processing and recognition. In the embodiment of the present invention, an image evaluation function can be used to define the sharpness feature value of the picture. The image evaluation function is used to define the sharpness feature value of the image, which may include implementing a Fourier transform by an algorithm, and using a spectral function to evaluate the image sharpness, and obtaining a photo sharpness feature value.

Analysis module: used to obtain the threshold set by the user, such as directly inputting the corresponding value;

Alternatively, the analyzing module is further configured to obtain a sharpness feature value corresponding to the preset reference photo, and determine the threshold based on the sharpness feature value of the reference photo; for example, the obtained reference may be The sharpness feature value of the photo is used as a threshold.

Processing module: used to process the photo according to the judgment result.

If the judgment result is less than the preset threshold, the resolution of the photo is low, if the requirement is not met, the photo is automatically deleted to save storage space; or the user is prompted to delete the photo, such as a pop-up dialog box asking the user whether to delete, if The user selects to delete the photo, and if the user chooses otherwise, the photo is retained. If the result of the judgment exceeds the preset threshold, indicating that the resolution of the photo meets the requirements, the photo is retained.

In some embodiments, the processing module is configured to set the first preset threshold and the second preset threshold, and the first preset threshold is less than the second preset threshold. When the clarity feature value of the photo is not less than the first preset threshold and is not greater than the second preset threshold, the prompt information is output, and the prompt information is used to prompt the user to delete the photo. When the sharpness feature value of the photo is greater than the second preset threshold, the terminal retains the photo.

Therefore, the album management apparatus of the embodiment obtains the sharpness feature value of the photo by scanning the photo in the album, and evaluates the sharpness of the photo according to the sharpness feature value, and for the photo whose resolution does not meet the requirement, Automatically delete or prompt the user to delete. in order to fulfill Automatically manage the photos in the album, which can quickly clean up the blurred photos in the album, without the need to manually delete them one by one, which improves the efficiency and improves the user experience.

Referring to FIG. 5, a second embodiment of the album management apparatus of the present invention is proposed. This embodiment adds a shooting module based on the first embodiment, and the shooting module is used for taking a photo.

In this embodiment, the obtaining module is further configured to: when the photographing module takes a photo, the photographing module automatically acquires the currently photographed photograph, and sends the photographed photograph to the analysis module for analysis. So that the processing module deletes or saves the photo according to the analysis result of the analysis module.

Therefore, the photos stored in the album at the time of shooting are all photos with the quality requirements, and the blurred photos are stored in the album to occupy the storage space, and the user is manually deleted from the album after the shooting is completed, thereby improving the efficiency. , improved user experience.

Referring to FIG. 6, a third embodiment of the album management apparatus of the present invention is proposed. The album management apparatus in the first and second embodiments implements the management of the sharpness of the photograph, and the embodiment is added to the second embodiment. A classification module enables the album management device to further classify and manage the photos. The classification module is used to scan the photos in the album, obtain the background features of each photo, and combine the photos with the same background features into one photo group.

The classification module can classify and manage the albums when the preset conditions are met, for example, management is performed once every once time, the number of photos in the album reaches a preset number of times, and the number of photos added in the album reaches the preset sheet. The number is managed once, etc.; the user can also issue an instruction to initiate classification management at any time; or, after the user completes the shooting, classify the photographed photos.

The background feature is a background element feature value, and the classification module extracts the background element feature value of each photo as a background feature, and extracts a photo with the same background feature based on the background element feature value comparison; and the extracted background features are the same. Photo overlay is combined into one photo group.

The photo stacked on the top of the photo group corresponds to the cover of the photo group, and the classification module can select a photo from the photo group, and use the selected photo as the cover of the folder corresponding to the photo group.

The manner of selecting a photo may include one of the following:

The topmost photo in the photo group is used as the cover of the photo group;

A photo may be randomly selected from the photo group as a cover;

It is also possible for the user to specify a cover as a cover.

The photo group can be displayed differently from other single photos, such as border highlighting, border rounding, etc. The classification module is further configured to display the number of photos at the first position of the folder corresponding to the photo group. Wherein, the first position may be in the lower right corner of the photo group. For example, the number of photos is displayed in the lower right corner of the photo group. When the user clicks on the photo group, the superimposed photo is automatically expanded, so that the photo displayed in the album is simpler and clearer, and the user is more convenient to view the photo.

Therefore, the present embodiment forms a photo group by superimposing photos taken in the same background, so that the photo can be displayed more simply and clearly in the album, so that the user can view and manage similar photos in the future, such as deleting some photos to keep shooting. A photo with relatively good results, Improve the user experience.

The album management device of the present invention may be a terminal device such as a mobile phone, a tablet, a digital camera, or a personal computer.

It should be noted that, in the photo album management apparatus provided in the above embodiment, only the division of each functional module is described in the example of the album management. In actual applications, the function assignment may be completed by different functional modules as needed. In addition, the album management device provided by the foregoing embodiment is the same as the embodiment of the album management method, and the specific implementation process is described in detail in the method embodiment, and the technical features in the method embodiment are applicable in the device embodiment. Narration.

It will be understood by those skilled in the art that all or part of the steps of the foregoing embodiments may be implemented by a program to control related hardware, and the program may be stored in a computer readable storage medium, the storage medium. It can be ROM/RAM, magnetic disk, optical disk, and the like.

The preferred embodiments of the present invention have been described above with reference to the drawings, and are not intended to limit the scope of the invention. A person skilled in the art can implement the invention in various variants without departing from the scope and spirit of the invention. For example, the features of one embodiment can be used in another embodiment to obtain a further embodiment. Any modifications, equivalent substitutions and improvements made within the technical concept of the invention are intended to be included within the scope of the invention.

Claims

A photo album management method, comprising the steps of:

Get the currently taken photo, or get the photo stored in the album;

Decoding and analyzing the photo to obtain a sharpness feature value of the photo;

When the clarity feature value is less than a preset threshold, the photo is automatically deleted, or prompt information is output, and the prompt information is used to prompt the user to delete the photo.
The album management method according to claim 1, wherein the obtaining the currently photographed photo comprises:

During the shooting, each time a photo is taken, the photo is taken.
The album management method according to claim 1, wherein the obtaining the photo stored in the album comprises: scanning the album when the preset condition is satisfied or receiving the user instruction, and acquiring the photo stored in the album.
The album management method according to claim 1, wherein the method further comprises:

Presetting a reference photo, obtaining a sharpness feature value corresponding to the reference photo, and determining the threshold based on a sharpness feature value of the reference photo.
The album management method according to claim 1, wherein the automatically deleting the photo or outputting the prompt information when the sharpness feature value is less than a preset threshold comprises:

When the sharpness feature value of the photo is less than the first preset threshold, the photo is automatically deleted;

When the clarity feature value of the photo is not less than the first preset threshold and is not greater than the second preset threshold, the prompt information is output, and the prompt information is used to prompt the user to delete the photo.
The album management method according to claim 5, wherein the method further comprises:

When the sharpness feature value of the photo is greater than the second preset threshold, the terminal retains the photo.
The album management method according to any one of claims 1 to 3, wherein the method Also includes:

Scan the photos in the album to get the background features of each photo;

Combine photos with the same background features into one photo group.
The album management method according to claim 7, wherein the combining the photo overlays having the same background feature into one photo group comprises:

The background element feature values of each photo are extracted as background features, and the photos with the same background features are extracted by comparing the background element feature values; and the extracted photo features are identically combined into one photo group.
The album management method according to claim 7, wherein the method further comprises:

A photo is selected from the photo group, and the selected photo is used as a cover of a folder corresponding to the photo group.
The album management method according to claim 7, wherein the method further comprises: displaying the number of photos at the first position of the folder corresponding to the photo group.
An album management device includes an acquisition module, an analysis module, and a processing module, wherein:

Obtaining a module, configured to acquire a currently photographed photo, or obtain a photo stored in the photo album, and send the photo to the analysis module;

An analysis module, configured to perform decoding analysis on the photo, obtain a sharpness feature value of the photo, and determine whether the sharpness feature value is less than a preset threshold, and send the determination result to the processing module;

The processing module is configured to automatically delete the photo or output prompt information when the clarity feature value is less than a preset threshold, where the prompt information is used to prompt the user to delete the photo.
The album management device according to claim 11, wherein the album management device further includes a photographing module, the photographing module is configured to take a photograph, and the acquiring module is configured to acquire a photograph taken by the photographing module.
The album management device according to claim 11, wherein the acquisition module is configured to scan the album when the preset condition is met or when the user instruction is received, and obtain the photo stored in the album.
The album management device according to claim 11, wherein the analyzing module is configured to acquire a sharpness feature value corresponding to the preset reference photo, and determine the threshold based on the sharpness feature value of the reference photo.
The album management device according to claim 11, wherein the processing module is further configured to automatically delete the photo when the sharpness feature value of the photo is smaller than the first preset threshold; when the sharpness feature value of the photo is not less than When the first preset threshold is not greater than the second preset threshold, the prompt information is output, and the prompt information is used to prompt the user to delete the photo.
The album management device according to claim 15, wherein the processing module is further configured to: when the sharpness feature value of the photo is greater than a second preset threshold, the terminal retains the photo.
The album management device according to any one of claims 11 to 13, wherein the album management device further comprises a classification module, wherein the classification module is configured to: scan photos in the album to obtain background features of each photo , combine photo overlays with the same background features into one photo group.
The album management device according to claim 17, wherein the classification module is further configured to extract a background element feature value of each photo as a background feature, and extract a photo with the same background feature by comparing the background element feature values; These photos of the same extracted background features are superimposed into one photo group.
The album management device according to claim 17, wherein the classification module is further configured to select a photo from the photo group, and use the selected photo as a cover of a folder corresponding to the photo group.
The album management device according to claim 17, wherein said classification module, It is also used to display the number of photos at the first position of the folder corresponding to the photo group.