CN104767933B - A method of having the portable digital equipment and screening photo of camera function - Google Patents

A method of having the portable digital equipment and screening photo of camera function Download PDF

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Publication number
CN104767933B
CN104767933B CN201510111520.4A CN201510111520A CN104767933B CN 104767933 B CN104767933 B CN 104767933B CN 201510111520 A CN201510111520 A CN 201510111520A CN 104767933 B CN104767933 B CN 104767933B
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China
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photo
pictures
continuously
taking pictures
threshold
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CN201510111520.4A
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Chinese (zh)
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CN104767933A (en
Inventor
胡月鹏
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北京畅游天下网络技术有限公司
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Publication of CN104767933A publication Critical patent/CN104767933A/en
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Publication of CN104767933B publication Critical patent/CN104767933B/en

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Abstract

This application discloses it is a kind of screen photo method, comprising: A, when portable digital equipment take pictures software execution exit operation when, judge whether carried out continuously taking pictures in this operational process of software of taking pictures, if so, execution step B, otherwise terminate this process;B, the photo continuously taken pictures is screened, retains the wherein preferable photo of quality.Disclosed herein as well is a kind of portable digital equipments for having camera function.The application can be used family and easily delete unwanted photo after the completion of shooting, and useless photo is avoided to occupy memory space.

Description

A method of having the portable digital equipment and screening photo of camera function

Technical field

This application involves digital photograph processing technology field more particularly to a kind of portable digital equipments for having camera function And the method for screening photo.

Background technique

With the continuous development and progress of integrated circuit technique and software technology, the portable number for having camera function is set It is standby (including but not limited to smart phone, tablet computer, without fuselage lens module) captured by photo also can satisfy daily need It wants.With popularizing for social networks, many users get used to shooting photo conveniently and uploading social networks being shared with friend.But The hardware of portable digital equipment be after all it is limited, lens focusing speed, shutter speed and sensitivity can not be with Professional Photography devices Material is compared, and photo is apprehensive when frequently resulting in the object in illumination deficiency or shooting movement.And portable digital equipment is difficult to picture Professional photographic apparatus gripping stable like that, takes the mobile phone as an example, and is pressing shutter (can be virtual or entity shutter release button) When fuselage it is easy to shake, take in this way come photo also be often quality it is bad.

Left in order to avoid photographic quality is bad sorry, user would generally be continuously shot multiple pictures in the short time, then Opening Photo Browser manually goes the photo of screening better quality to go to upload social networks.Some portable digital equipments have continuous shooting Mode, in continuous shooting mode, user, which presses shutter, will automatically continuously shoot multiple pictures.Which kind of either above-mentioned situation, this In the photo being continuously shot a bit, the possible second-rate or content of wherein most is repeated, and does not have the value of storage.However it is existing There is a kind of method for not having convenient screening photo in technology, Photo Browser can only be opened manually by user and go to delete a sheet by a sheet It removes.Especially user usually can just go to carry out delete operation in portable digital equipment prompt " memory space inadequate ", and At this moment a considerable amount of photos may have been stored, a quite arduous labour can be become by deleting photo.

Summary of the invention

This application provides a kind of portable digital equipment for having camera function and the methods for screening photo, and family can be used Unwanted photo is easily deleted after the completion of shooting, and useless photo is avoided to occupy memory space.

A kind of method for screening photo provided by the embodiments of the present application, comprising:

A, when operation is exited in the software execution of taking pictures of portable digital equipment, judge in this operational process of software of taking pictures Whether carry out continuously taking pictures, if so, executing step B, has otherwise terminated this process;

B, the photo continuously taken pictures is screened, retains the wherein preferable photo of quality.

Preferably, the portable digital equipment uses multiple task operating system, described exit takes pictures software to terminate operation It takes pictures and software or the software of taking pictures of front stage operation is called in into running background.

Preferably, described judge that whether having carried out continuously taking pictures in this operational process of software of taking pictures includes: to pass through ratio Compared with the photo opporunity of each photo saved in this shooting process, if there have the interval of the photo opporunity of two photos to be less than to be pre- The first threshold first set, then it is assumed that be the photo continuously taken pictures;The photo continuously taken pictures if it exists determines this shooting process In continuously take pictures;If there is three or more photos, adjacent two photo opporunities are respectively less than first threshold, then will These photos are as one group of photo of continuously taking pictures.

Preferably, the first threshold is user's setting value, system default value, the time interval continuously taken pictures for the first time The sliding average of the mean value for the time interval that mean value or nearest n times are continuously taken pictures.

Preferably, further comprising after step B: whether photo deletion has been carried out in judgment step B, if so, the first threshold Value remains unchanged;Otherwise, if first threshold is not up to minimum value, first threshold is reduced, the minimum value is continuous for the first time It takes pictures or the minimum value of n times are continuously taken pictures recently the mean value of time interval.

Preferably, described the step of being considered the photo continuously taken pictures, further comprises: for time interval less than first The photo of threshold value further calculates the distance between the coordinate of the photo, if distance is less than second threshold, then it is assumed that is to connect The continuous photo taken pictures, is otherwise not considered as the photo continuously taken pictures.

Preferably, being judged as in one group of photo of continuously taking pictures, the differential seat angle of the Space Angle of its optical axis direction is calculated, such as Fruit has the differential seat angle of two or two or more photos to be greater than third threshold value, then these photos is further divided into smaller group, Wherein the differential seat angle of the Space Angle of the optical axis direction of any two photos in each group is respectively less than third threshold value.

Preferably, the value range of the third threshold value is 5 degree to 30 degree.

Preferably, described judge that whether having carried out continuously taking pictures in this operational process of software of taking pictures includes: to pass through figure As recognizer calculates the picture similarity for the photo obtained in this operational process of software of taking pictures, if similarity is more than the 4th Threshold value is then considered the photo continuously taken pictures;The photo continuously taken pictures if it exists determines to have carried out in this shooting process continuous It takes pictures;If there is three or more photos, adjacent two similarities are respectively less than the 4th threshold value, then using these photos as one The continuous photo of taking pictures of group.

Preferably, step B includes: to show the photograph continuously taken pictures in a manner of several on the screen of the portable digital equipment Piece, user choose the photo for needing to retain or delete by touching screen, then press " determination " button shown on screen, then According to the user's choice, corresponding photo is deleted.

Preferably, once one group of photo of continuously taking pictures of display, the photo of continuously taking pictures of difference group are divided into multiple display.

Preferably, step B includes: to calculate the clarity of photo picture first for one group of photo of continuously taking pictures, it will be clear Poor photo is spent to delete;Then, the similarity that photograph image is calculated according to image recognition algorithm, from the higher photo of similarity The middle selection highest photo of 1 to 3 quality, remaining photo is deleted.

The embodiment of the present application also provides a kind of portable digital equipments for having camera function, comprising:

Judgment module, for judging the software sheet of taking pictures when operation is exited in the software execution of taking pictures of portable digital equipment Whether carry out continuously taking pictures in secondary operational process, if so, notice screening module;

Screening module retains wherein for being screened after receiving the notice of judgment module to the photo continuously taken pictures The preferable photo of quality.

Preferably, the portable digital equipment uses multiple task operating system, described exit takes pictures software to terminate operation It takes pictures and software or the software of taking pictures of front stage operation is called in into running background.

Preferably, the judgment module includes:

First judging unit, for the photo opporunity by comparing each photo saved in this shooting process, if There is the interval of the photo opporunity of two photos to be less than preset first threshold, then it is assumed that be the photo continuously taken pictures;If depositing In the photo continuously taken pictures, determine to have carried out continuously taking pictures in this shooting process;It is adjacent if there is three or more photos Two photo opporunities are respectively less than first threshold, then using these photos as one group of photo of continuously taking pictures.

Preferably, the first threshold is user's setting value, system default value, the time interval continuously taken pictures for the first time The sliding average of the mean value for the time interval that mean value or nearest n times are continuously taken pictures.

Preferably, the judgment module further comprises:

First threshold adjustment unit, for after continuously taking pictures each time, judging screening module after this is continuously taken pictures Whether photo deletion has been carried out, if so, first threshold remains unchanged;Otherwise, if first threshold is not up to minimum value, is reduced One threshold value;The minimum value is the minimum value for the time interval that first time continuously takes pictures or n times are continuously taken pictures recently.

Preferably, the judgment module further comprises:

Second judgment unit further calculates institute for being considered the photo continuously taken pictures to first judging unit The distance between the coordinate of photo is stated, if distance is less than second threshold, then it is assumed that be the photo continuously taken pictures, be otherwise not considered as It is the photo continuously taken pictures.

Preferably, the judgment module further comprises:

Grouped element, for calculating the angle of the Space Angle of its optical axis direction to one group of photo of continuously taking pictures has been judged as It is poor to spend, and if there is the differential seat angle of two or two or more photos is greater than third threshold value, is then further divided into these photos more Small group, wherein the differential seat angle of the Space Angle of the optical axis direction of any two photos in each group is respectively less than third threshold value.

Preferably, the value range of the third threshold value is 5 degree to 30 degree.

Preferably, the judgment module includes:

Third judging unit, for calculating the photo obtained in this operational process of software of taking pictures by image recognition algorithm Picture similarity, be considered the photo continuously taken pictures if similarity is more than the 4th threshold value;The photograph continuously taken pictures if it exists Piece determines to have carried out continuously taking pictures in this shooting process;If there is three or more photos, adjacent two similarities are equal Less than the 4th threshold value, then using these photos as one group of photo of continuously taking pictures.

Preferably, the screening module includes:

Manual screening unit, for showing the photograph continuously taken pictures in a manner of several on the screen of the portable digital equipment Piece, and according to the user's choice, delete corresponding photo.

Preferably, the manual screening unit once shows one group of photo of continuously taking pictures, the photo of continuously taking pictures of difference group It is divided into multiple display.

Preferably, the screening module includes:

Automatic screening unit will be clear for calculating the clarity of photo picture first for one group of photo of continuously taking pictures Poor photo is spent to delete;Then, the similarity that photograph image is calculated according to image recognition algorithm, from the higher photo of similarity The middle selection highest photo of 1 to 3 quality, remaining photo is deleted.

As can be seen from the above technical solutions, judge immediately after the completion of taking pictures be in this operational process of software of taking pictures It is no continuously take pictures, and the photo continuously taken pictures is screened, retain the wherein preferable photo of quality, so as to reality After present user is continuously shot multiple pictures, easily photo is screened, retains the wherein preferable photo of quality, to save Memory space.

Detailed description of the invention

Fig. 1 is the basic handling flow diagram of the method for screening photo provided by the present application;

Fig. 2 is the process flow diagram of the method for screening photo provided by the embodiments of the present application;

Fig. 3 is the block diagram of the portable digital equipment provided by the embodiments of the present application for having camera function.

Specific embodiment

This application provides a kind of methods for screening photo, and basic handling process is as shown in Figure 1, include the following steps:

Step 101: when user using portable digital equipment completion take pictures exit take pictures software when (for multi-job operation system For system, software of taking pictures becomes running background), judge whether carried out continuously taking pictures in this operational process of software of taking pictures, If so, executing step 102, otherwise terminate this process.

Step 102: the photo continuously taken pictures being screened, the wherein preferable photo of quality is retained.Wherein, the screening It can be the photo for showing in the form of several continuously take pictures on the screen, manually selected by user;Be also possible to according to Family setting and filtering algorithm, are automatically deleted poor quality or the duplicate photo of content from the photo continuously taken pictures.

The portable digital equipment includes but is not limited to mobile phone, tablet computer, and no fuselage lens module is formed with mobile phone System,

To keep the technical principle, feature and technical effect of technical scheme clearer, below in conjunction with specific reality Example is applied technical scheme is described in detail.

The process of screening photo provided by the embodiments of the present application is as shown in Fig. 2, include the following steps:

Step 201: according to the setting of user, enabling serial-gram screening function.

For example, user clicks the set interface for software of taking pictures, " serial-gram screening " this option is chosen, thus the company of enabling Continuous photo screening function.The step is optional step.

Step 202: user, which opens, to take pictures software and carries out photographing operation, each photo of storage user's shooting.

If portable digital equipment use single task operating system, opening take pictures software be meant that bring into operation take pictures it is soft Part;If portable digital equipment uses multiple task operating system, opening takes pictures software in addition to the software of taking pictures that brings into operation, it is also possible to The software of taking pictures of running background is called in into front stage operation.

Step 203: user exit the operation for software of taking pictures, and software of taking pictures at this time judges that user takes pictures software in opening Whether carry out continuously taking pictures into the process (hereinafter referred to as this shooting process) for exiting software of taking pictures, if executing step 204, otherwise, terminate this process.

If portable digital equipment use single task operating system, exit software of taking pictures be meant that end operation take pictures it is soft Part;If portable digital equipment uses multiple task operating system, software of taking pictures is exited in addition to terminating to run software of taking pictures, it is also possible to The software of taking pictures of front stage operation is called in into running background.

Having judged whether to continuously take pictures can be illustrated individually below there are many judgment mode:

Mode one: judged by shooting time.The relevant information that photo would generally be saved when saving photo, including Photo opporunity, that is, system time when taking pictures.By comparing when the taking pictures of each photo saved in this shooting process Between, if there is the interval of the photo opporunity of two photos to be less than preset first threshold, then it is assumed that be the photo continuously taken pictures; The photo continuously taken pictures if it exists determines to have carried out continuously taking pictures in this shooting process.

If there is three or more photos, adjacent two photo opporunities are respectively less than first threshold, then by these photos As one group of photo of continuously taking pictures.There may be the photo of continuously taking pictures of two or more groups in a shooting process.

Since the response time that different portable digital equipments is taken pictures is different, the habit that everyone takes pictures is also different, The mean value at the interval when first threshold can be user's setting value, system default value or continuously take pictures for the first time, e.g., the For user altogether by 5 shutters, interval is respectively 5 seconds, 5 seconds, 1 second, 1 second when one-time continuous is taken pictures, and the mean value at interval is calculated It is 3 seconds, then sets first threshold to 3 seconds.For nearest use habit of being more close to the users, which is also possible to The sliding average of the continuous photo opporunity interval mean value of nearest n times.

It, can be to carry out dynamic tune to first threshold according to whether having carried out photo and having deleted according to another embodiment of the application Section.For example, deleting photo in photo screening process, it was demonstrated that current judgement is continuously taken pictures effectively, and first threshold is constant, if nothing It deletes, first threshold (such as reducing by 1 second) is reduced if first threshold is not up to minimum value, is not adjusted if having reached minimum value It is whole.Minimum value is the minimum value for the time interval mean value that first time continuously takes pictures or n times are continuously taken pictures recently (for example, for the first time User is altogether by 5 shutters when continuously taking pictures, and interval is respectively 5 seconds, 5 seconds, 1 second, 1 second, then minimum value is 1 second;Alternatively, recently The time interval mean value continuously taken pictures three times is respectively 2 seconds, 2.5 seconds, 3 seconds, then minimum value is 2 seconds).

Mode two: judged by shooting time combination shooting location.

Only by time interval to determine whether continuously take pictures, but if portable digital equipment is in mode one In movement, even if then shooting interval is very short twice, photo picture may also be very different, therefore also need to combine shooting ground Point is judged.

When taking pictures, changing coordinates are obtained by location-based service, and coordinate information is stored in photo relevant information.It is right It is less than the photo of first threshold in time interval, further calculates the distance between its coordinate, if distance is less than second threshold, Then it is considered the photo continuously taken pictures, is otherwise not considered as the photo continuously taken pictures.

In some cases, user may stand and take pictures in same place to different directions in a relatively short period of time.If clapped Irradiation angle difference is larger, and the photo content obtained in this way has very big difference, is not belonging to the photo that should be screened, it is therefore desirable to will Such case excludes.

When taking pictures, believed by the optical axis direction of gravity sensor and GPS acquisition camera built in portable digital equipment Breath, and by direction information preservation in photo relevant information.For being judged as in one group of photo of continuously taking pictures, it is calculated The differential seat angle of the Space Angle of optical axis direction, if there is the differential seat angle of two or two or more photos is greater than third threshold value, then by this A little photos are further divided into smaller group, wherein the differential seat angle of the optical axis direction of any two photos in each group is respectively less than Third threshold value.

In the embodiment of the present application, the value range of the third threshold value is 5 degree to 30 degree.

Mode three is judged by photo picture content.

The picture similarity of the photo obtained in this operational process of software of taking pictures can be calculated by image recognition algorithm, The photo continuously taken pictures is considered if similarity is more than the 4th threshold value;The photo continuously taken pictures if it exists determines this bat Continuously take pictures during taking the photograph;If there is three or more photos, adjacent two similarities are respectively less than the 4th threshold value, Then using these photos as one group of photo of continuously taking pictures.The similarity can be whole pictures based on photo, be also possible to Based on part of content, for example, picture beginning and end 10% content.The value range of 4th threshold value can be 50% to 90%.

Mode three can also be combined with mode one to two.To avoid erroneous judgement.

Step 204: the photo continuously taken pictures being screened, the wherein preferable photo of quality is retained.

The screening can be divided into manual screening mode and automatic screening mode.Taking pictures software can setting according to user It sets, one of mode is selected to be operated.

Under manual screening mode, the photo continuously taken pictures is shown in a manner of several on the screen, user passes through touch screen Curtain chooses the photo for needing to retain (or deletion), then presses " determination " button shown on screen, then according to the user's choice, Delete corresponding photo.Preferably, one group of photo of continuously taking pictures can once be shown, the photo of continuously taking pictures of difference group is divided into more Secondary display, to facilitate user to select.

Under automatic screening mode, for one group of photo of continuously taking pictures, the clarity of photo picture is calculated first, it will be clear Poor photo is spent to delete;Then, the similarity that photograph image is calculated according to image recognition algorithm, from the higher photo of similarity The middle selection 1-3 highest photos of quality, remaining photo is deleted.

The embodiment of the present application also provides a kind of portable digital equipments for having camera function, as shown in figure 3, including as follows Functional module:

Judgment module 301, for when user using portable digital equipment completion take pictures exit take pictures software when, judge the bat According to whether having carried out continuously taking pictures in this operational process of software, if so, notice screening module 302;

Screening module 302 is protected for being screened after the notice for receiving judgment module 301 to the photo continuously taken pictures Stay the wherein preferable photo of quality.

The portable digital equipment part directly related with the application is only shown in Fig. 3, other module or components (including realize Take pictures necessary camera, memory module etc.) it is not shown.

According to another embodiment of the application, the portable digital equipment uses multiple task operating system, and described exit is taken pictures Software is to terminate to run to take pictures software or the software of taking pictures of front stage operation is called in running background.

According to another embodiment of the application, the judgment module includes:

First judging unit, for the photo opporunity by comparing each photo saved in this shooting process, if There is the interval of the photo opporunity of two photos to be less than preset first threshold, then it is assumed that be the photo continuously taken pictures;If depositing In the photo continuously taken pictures, determine to have carried out continuously taking pictures in this shooting process;It is adjacent if there is three or more photos Two photo opporunities are respectively less than first threshold, then using these photos as one group of photo of continuously taking pictures.

According to another embodiment of the application, the first threshold is user's setting value, system default value, for the first time continuous bat According to when time interval mean value or the sliding average of the mean value of time interval continuously taken pictures of nearest n times.

According to another embodiment of the application, the judgment module further comprises:

First threshold adjustment unit, for after continuously taking pictures each time, judging screening module after this is continuously taken pictures Whether photo deletion has been carried out, if so, first threshold remains unchanged;Otherwise, if first threshold is not up to minimum value, is reduced One threshold value;The minimum value is the minimum value for the time interval that first time continuously takes pictures or n times are continuously taken pictures recently.

According to another embodiment of the application, the judgment module further comprises:

Second judgment unit further calculates institute for being considered the photo continuously taken pictures to first judging unit The distance between the coordinate of photo is stated, if distance is less than second threshold, then it is assumed that be the photo continuously taken pictures, be otherwise not considered as It is the photo continuously taken pictures.

According to another embodiment of the application, the judgment module further comprises:

Grouped element, for calculating the angle of the Space Angle of its optical axis direction to one group of photo of continuously taking pictures has been judged as It is poor to spend, and if there is the differential seat angle of two or two or more photos is greater than third threshold value, is then further divided into these photos more Small group, wherein the differential seat angle of the Space Angle of the optical axis direction of any two photos in each group is respectively less than third threshold value.Compared with Goodly, the value range of the third threshold value is 5 degree to 30 degree.

According to another embodiment of the application, the judgment module includes:

Third judging unit, for calculating the photo obtained in this operational process of software of taking pictures by image recognition algorithm Picture similarity, be considered the photo continuously taken pictures if similarity is more than the 4th threshold value;The photograph continuously taken pictures if it exists Piece determines to have carried out continuously taking pictures in this shooting process;If there is three or more photos, adjacent two similarities are equal Less than the 4th threshold value, then using these photos as one group of photo of continuously taking pictures.

According to another embodiment of the application, the screening module includes:

Manual screening unit, for showing the photograph continuously taken pictures in a manner of several on the screen of the portable digital equipment Piece, and according to the user's choice, delete corresponding photo.

According to another embodiment of the application, the manual screening unit once shows one group of photo of continuously taking pictures, different groups Continuously photo of taking pictures be divided into multiple display.

According to another embodiment of the application, the screening module includes:

Automatic screening unit will be clear for calculating the clarity of photo picture first for one group of photo of continuously taking pictures Poor photo is spent to delete;Then, the similarity that photograph image is calculated according to image recognition algorithm, from the higher photo of similarity The middle selection highest photo of 1 to 3 quality, remaining photo is deleted.

The portable digital equipment can be smart phone, tablet computer.

By applying technical scheme, may be implemented after user is continuously shot multiple pictures, easily to photo It is screened, retains the wherein preferable photo of quality, to save memory space.

Through the above description of the embodiments, those skilled in the art can be understood that the application can be by Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware, but in many cases before Person is more preferably embodiment.Based on this understanding, the technical solution of the application contributes to background technique whole or Person part can be embodied in the form of software products, which can store in storage medium, such as ROM/RAM, magnetic disk, CD etc., including some instructions are with so that a portable digital equipment executes each embodiment of the application Or method described in certain parts of embodiment.

The foregoing is merely the preferred embodiments of the application, not to limit the protection scope of the application, it is all Within the spirit and principle of technical scheme, any modification, equivalent substitution, improvement and etc. done should be included in this Shen Within the scope of please protecting.

Claims (20)

1. a kind of method for screening photo characterized by comprising
A, when operation is exited in the software execution of taking pictures of portable digital equipment, judge in this operational process of software of taking pictures whether Continuously take pictures, if so, executing step B, has otherwise terminated this process;
B, the photo continuously taken pictures is screened, retains the wherein preferable photo of quality;
It is described to judge that whether having carried out continuously taking pictures in this operational process of software of taking pictures includes: to shoot by comparing this The photo opporunity of each photo saved in journey, if there is the interval of the photo opporunity of two photos to be less than preset first Threshold value, then it is assumed that be the photo continuously taken pictures;The photo continuously taken pictures if it exists determines to have carried out in this shooting process continuous It takes pictures;If there is three or more photos, adjacent two photo opporunities are respectively less than first threshold, then using these photos as One group of photo of continuously taking pictures;
Or whether described to judge to have carried out in this operational process of software of taking pictures continuously to take pictures include: to be calculated by image recognition Method calculates the picture similarity of the photo obtained in this operational process of software of taking pictures, recognizes if similarity is more than the 4th threshold value To be the photo continuously taken pictures;The photo continuously taken pictures if it exists determines to have carried out continuously taking pictures in this shooting process;If having Three or more photos, adjacent two similarities are respectively less than the 4th threshold value, then continuously clap these photos as one group Picture.
2. the method according to claim 1, wherein the portable digital equipment use multiple task operating system, The software of taking pictures that exits is to terminate to run to take pictures software or the software of taking pictures of front stage operation is called in running background.
3. the method according to claim 1, wherein the first threshold be user's setting value, system default value, The sliding average of the mean value for the time interval that the mean value or nearest n times for the time interval continuously taken pictures for the first time are continuously taken pictures Value.
4. the method according to claim 1, wherein step B after further comprise: in judgment step B whether Photo deletion is carried out, if so, first threshold remains unchanged;Otherwise, if first threshold is not up to minimum value, the first threshold is reduced Value, the minimum value are the minimum value for the time interval continuously taken pictures for the first time, or the time interval that n times are continuously taken pictures recently The minimum value of mean value.
5. the method according to claim 1, wherein described the step of being considered the photo continuously taken pictures, is further Include: the photo for being less than first threshold for time interval, further calculates the distance between the coordinate of the photo, if away from From less than second threshold, then it is assumed that be the photo continuously taken pictures, be otherwise not considered as the photo continuously taken pictures.
6. method according to any one of claims 1 to 5, which is characterized in that be judged as one group of photo of continuously taking pictures In, the differential seat angle of the Space Angle of its optical axis direction is calculated, if there is the differential seat angle of two or two or more photos is greater than third threshold Value, then be further divided into smaller group for these photos, wherein the sky of the optical axis direction of any two photos in each group Between the differential seat angle at angle be respectively less than third threshold value.
7. according to the method described in claim 6, it is characterized in that, the value range of the third threshold value is 5 degree to 30 degree.
8. method according to any one of claims 1 to 5, which is characterized in that step B includes: to set in the portable number Show the photo continuously taken pictures on standby screen in a manner of several, user needs to retain or delete by touching screen and choosing Then photo presses " determination " button shown on screen and then according to the user's choice deletes corresponding photo.
9. according to the method described in claim 8, it is characterized in that, one group of photo of continuously taking pictures of primary display, the companies of difference group Continuous photo of taking pictures is divided into multiple display.
10. method according to any one of claims 1 to 5, which is characterized in that step B includes: continuously to take pictures for one group Photo calculates the clarity of photo picture first, and the poor photo of clarity is deleted;Then, according to image recognition algorithm meter The similarity for calculating photograph image selects the highest photo of 1 to 3 quality from the higher photo of similarity, remaining photo is deleted It removes.
11. a kind of portable digital equipment for having camera function characterized by comprising
Judgment module, for when operation is exited in the software execution of taking pictures of portable digital equipment, judging this fortune of software of taking pictures Whether row has carried out continuously taking pictures in the process, if so, notice screening module;
Screening module retains wherein quality for being screened after receiving the notice of judgment module to the photo continuously taken pictures Preferable photo;
The judgment module includes:
First judging unit, for the photo opporunity by comparing each photo saved in this shooting process, if having two The interval for opening the photo opporunity of photo is less than preset first threshold, then it is assumed that is the photo continuously taken pictures;Connect if it exists The continuous photo taken pictures, determines to have carried out continuously taking pictures in this shooting process;If there is three or more photos, adjacent two Photo opporunity be respectively less than first threshold, then using these photos as one group of photo of continuously taking pictures;
Or the judgment module includes:
Third judging unit, for calculating the picture of the photo obtained in this operational process of software of taking pictures by image recognition algorithm Face similarity is considered the photo continuously taken pictures if similarity is more than the 4th threshold value;The photo continuously taken pictures if it exists, sentences Continuously take pictures in this fixed shooting process;If there is three or more photos, adjacent two similarities are respectively less than 4th threshold value, then using these photos as one group of photo of continuously taking pictures
12. portable digital equipment according to claim 11, which is characterized in that the portable digital equipment uses multitask Operating system, it is described exit software of taking pictures be terminate operation take pictures software or by the software of taking pictures of front stage operation call in backstage transport Row.
13. portable digital equipment according to claim 11, which is characterized in that the first threshold be user's setting value, The mean value for the time interval that system default value, the mean value for the time interval continuously taken pictures for the first time or nearest n times are continuously taken pictures Sliding average.
14. portable digital equipment according to claim 11, which is characterized in that the judgment module further comprises:
First threshold adjustment unit, for after continuously taking pictures each time, judge screening module after this is continuously taken pictures whether Photo deletion is carried out, if so, first threshold remains unchanged;Otherwise, if first threshold is not up to minimum value, the first threshold is reduced Value;The minimum value is the minimum value for the time interval continuously taken pictures for the first time, or the time interval that n times are continuously taken pictures recently Minimum value.
15. portable digital equipment according to claim 11, which is characterized in that the judgment module further comprises:
Second judgment unit further calculates the photograph for being considered the photo continuously taken pictures to first judging unit The distance between coordinate of piece, if distance is less than second threshold, then it is assumed that it is the photo continuously taken pictures, the otherwise company of being not considered as The continuous photo taken pictures.
16. 1 to 15 described in any item portable digital equipments according to claim 1, which is characterized in that the judgment module is into one Step includes:
Grouped element, for calculating the differential seat angle of the Space Angle of its optical axis direction to one group of photo of continuously taking pictures has been judged as, If there is the differential seat angle of two or two or more photos is greater than third threshold value, then these photos are further divided into smaller Group, wherein the differential seat angle of the Space Angle of the optical axis direction of any two photos in each group is respectively less than third threshold value.
17. portable digital equipment according to claim 16, which is characterized in that the value range of the third threshold value is 5 Degree is to 30 degree.
18. 1 to 15 described in any item portable digital equipments according to claim 1, which is characterized in that the screening module packet It includes:
Manual screening unit, for showing the photo continuously taken pictures in a manner of several on the screen of the portable digital equipment, And according to the user's choice, corresponding photo is deleted.
19. portable digital equipment according to claim 18, which is characterized in that the manual screening unit once shows one The photos of continuously taking pictures of the continuous photo of taking pictures of group, difference group are divided into multiple display.
20. 1 to 15 described in any item portable digital equipments according to claim 1, which is characterized in that the screening module packet It includes:
Automatic screening unit, for calculating the clarity of photo picture first for one group of photo of continuously taking pictures, by clarity compared with The photo of difference is deleted;Then, the similarity that photograph image is calculated according to image recognition algorithm, is selected from the higher photo of similarity The highest photo of 1 to 3 quality is selected, remaining photo is deleted.
CN201510111520.4A 2015-03-13 2015-03-13 A method of having the portable digital equipment and screening photo of camera function CN104767933B (en)

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