CN101335819B - Continuous photo processing device, method and image processing equipment - Google Patents

Abstract

The continuous shooting photo processing device of the present invention includes: a temporary storage unit for temporarily storing the pixel data of each continuous shooting photo; a difference comparison unit for comparing the corresponding position pixel data of each continuous shooting photo to obtain information including overlapping regions and the difference comparison result of the difference area information; the associated information recording unit is used to record the associated information of the difference area and the repeated area of each continuous shot photo, and the associated information is enough to merge and restore the continuous shot photos; the encoding storage unit is used for respectively The repeated area and the difference area of each continuous shooting photo participating in the comparison are coded and stored, wherein the number of encodings of the repeated area is less than the number of photos participating in the comparison; the decoding and merging unit is used to perform the encoding and storage of the difference area and the repeated area associated with the difference area Decode, and merge the difference regions and duplicate regions according to the associated information to restore the continuous shooting photos. The invention can improve the compression rate of the photos and reduce the storage space in the image processing equipment.

Description

Continuous photo processing device, method and image processing equipment

technical field

The invention relates to a digital image processing technology, in particular to a processing device, method and image processing equipment for continuously shooting photos.

Background technique

Many existing digital processing products, such as digital cameras and mobile phones, not only provide camera functions, but also provide continuous shooting functions, that is, they can take multiple photos continuously and store them at one time. The number of continuous photos depends on the camera equipment such as mobile phones. The size of the storage space, with the continuous maturity of technology, the number of continuous shooting is increasing, but at the same time it is also a challenge to the storage space of image processing products, because among many files, the space occupied by picture files is It is relatively large, and the storage media of products such as mobile phones are limited, and increasing the storage space will inevitably mean an increase in cost. Therefore, effective image compression plays a very important role in the overall cost of the mobile phone.

Contents of the invention

The technical problem to be solved by the present invention is to provide a processing method, device and image processing equipment for continuously shooting photos, so as to improve the compression rate of photos and reduce the storage space in the image processing equipment.

In order to solve the above-mentioned problems, the invention provides a kind of processing method of continuous shooting photo, and this method comprises the following steps:

(a) Temporarily store the pixel data of at least two consecutive photos;

(b) compare the pixel data of the corresponding positions of the continuous shooting photos, and obtain the difference comparison result including the repeated area information and the difference area information;

(c) respectively encode and store the repeated regions and the difference regions of the consecutive photographs participating in the comparison, wherein the number of encodings of the repeated regions is less than the number of photographs participating in the comparison;

(d) Record the associated information of the repeated area and the difference area of each continuous shooting photo, and the described related information is sufficient for merging and restoring the continuous shooting photos;

(e) When browsing the continuous shooting photos, the difference area and the repeated area associated with the difference area are decoded, and the repeated area and the difference area are merged according to the recorded associated information to restore the continuous shooting photos.

Further, in the step (a), at least two continuous photos are divided into several partitions in the same way, and the at least two photos are called a comparison group; in the step (b), the comparison of each corresponding partition of the comparison group is completed. Yes, when comparing partitions, compare the corresponding pixel data one by one. If a corresponding pixel data is found to be different, then abandon the comparison of other corresponding pixel data in the partition, and mark the partition as the difference area of the comparison group. If a partition in the comparison group If all the corresponding pixel data of , the partition is marked as the duplicated region of the comparison group.

Further, in step (c), before coding the difference area of each continuous shooting photo, the repeated area in each continuous shooting photo is cut out according to the difference comparison result, and filled with simple data; the simple data refers to the occupied word after coding Section less duplicate data.

Further, the association information includes the file name stored in the difference area, the number of the associated repeated area, and the relative area position information between the repeated area and the difference area.

Further, the photos and the partitions are both rectangles, the repeated area and the difference area of the continuous shooting photos include one or more partition rectangles, and each partition is combined or coded separately.

In order to solve the above technical problems, the present invention also provides a continuous photo processing device, which includes a temporary storage unit, a difference comparison unit, an associated information storage unit, an encoding storage unit and a decoding and merging unit, wherein,

The temporary storage unit is used for temporarily storing the pixel data of each continuous shooting photo;

A difference comparison unit, configured to compare the corresponding position pixel data of each continuous shooting photo to obtain a difference comparison result including repeated area information and difference area information;

The associated information recording unit is used to record the associated information between the difference area and the repeated area of each continuous shooting photo, and the associated information is enough to merge and restore the continuous shooting photos;

An encoding storage unit is used to encode and store the repeated area and the difference area of each continuous shooting photo participating in the comparison, wherein the number of encodings of the repeated area is less than the number of photos participating in the comparison;

The decoding merging unit is configured to decode the difference area and the repeated area associated with the difference area, and merge the difference area and the repeated area according to the associated information to restore the continuous shooting photos.

Further, the temporary storage unit divides at least two continuous photos into several partitions in the same way, and the at least two photos are called a comparison group; the difference comparison unit is used to complete the comparison of each corresponding partition of the group Comparison, when comparing partitions, compare the corresponding pixel data one by one. If a corresponding pixel data is found to be different, then abandon the comparison of other corresponding pixel data in the partition, and mark the partition as the difference area of the comparison group. If all corresponding pixel data of a partition are the same, the partition is marked as a duplicated region of the comparison group.

Further, the device also includes a cutting and filling unit, which is used to cut out the repeated area in the continuous shooting photos according to the difference comparison result of the difference comparison unit, and fill it with simple data; the simple data refers to less bytes after encoding of duplicate data.

Further, the association information includes the file name stored in the difference area, the number of the associated repeated area, and the relative area position information between the repeated area and the difference area.

In order to solve the above technical problems, the present invention also provides an image processing device, which has a continuous shooting photo processing device with auxiliary continuous shooting function, and the device includes a temporary storage unit, a difference comparison unit, an associated information storage unit, a coding storage unit and decoding merging unit, wherein,

The temporary storage unit is used for temporarily storing the pixel data of each continuous shooting photo;

A difference comparison unit, configured to compare the corresponding position pixel data of each continuous shooting photo to obtain a difference comparison result including repeated area information and difference area information;

The associated information recording unit is used to record the associated information between the difference area and the repeated area of each continuous shooting photo, and the associated information is enough to merge and restore the continuous shooting photos;

An encoding storage unit is used to encode and store the repeated area and the difference area of each continuous shooting photo participating in the comparison, wherein the number of encodings of the repeated area is less than the number of photos participating in the comparison;

The decoding merging unit is configured to decode the difference area and the repeated area associated with the difference area, and merge the difference area and the repeated area according to the associated information to restore the continuous shooting photos.

Further, the temporary storage unit divides at least two continuous photos into several partitions in the same way, and the at least two photos are called a comparison group; the difference comparison unit is used to complete the comparison of each corresponding partition of the group Comparison, when comparing partitions, compare the corresponding pixel data one by one. If a corresponding pixel data is found to be different, then abandon the comparison of other corresponding pixel data in the partition, and mark the partition as the difference area of the comparison group. If all corresponding pixel data of a partition are the same, the partition is marked as a duplicated region of the comparison group.

Further, the device also includes a cutting and filling unit, which is used to cut out the repeated area in the continuous shooting photos according to the difference comparison result of the difference comparison unit, and fill it with simple data; the simple data refers to less bytes after encoding of duplicate data.

Further, the associated information includes the file name stored in the difference area, the number of the associated repeated area, and the relative area position information of the repeated area and the difference area.

Further, the photos and the partitions are both rectangles, the repeated area and the difference area of the continuous shooting photos include one or more partition rectangles, and each partition is combined or coded separately.

The method, device and equipment of the present invention use the similarity between the continuous shooting photos to compare the pixel data to obtain the information of the repeated area and the difference area. The area is coded and stored, and the number of codes for the repeated area is less than the number of photos involved in the comparison. The best way is to encode the repeated area only once, store it as shared data, and use it together to spell out the original image when it is to be decoded. This can improve the compression rate of the photo and reduce its storage space in the image processing device.

Description of drawings

Fig. 1 is a block diagram of the continuous shooting photo processing device of the present invention.

Fig. 2 is a flow chart of the method for compressing and storing continuous shooting photos of the present invention.

FIG. 3 is a schematic diagram of storing pixel data for divisions.

Fig. 4 is a flow chart of decoding and merging of continuous shooting photos in the present invention.

Fig. 5 is a schematic diagram of an application example of the method of the present invention.

Detailed ways

The processing device for continuous shooting photos of the present invention is arranged in an image processing device, and is used for encoding, storing and decoding processing of continuous shooting photos. As shown in Figure 1, the continuous shooting photo processing device includes a temporary storage unit, a difference comparison unit, Cutting and filling unit, encoding storage unit, associated information recording unit and decoding and merging unit, wherein,

The temporary storage unit is used to temporarily divide and store the pixel data of the continuous shooting photos;

At present, the original graphics are represented in a rectangular form. After the temporary storage unit linearly stores all the pixel data of the complete rectangular photo, it is divided into several sub-rectangles according to a unified method, and then the pixels of each continuous shooting photo are stored in sub-rectangle units. data.

The number of divided sub-rectangles can be preset according to the actual number of pixels and the compression ratio requirements.

The data stored in the temporary storage unit will be automatically deleted by the system after the photo is coded and stored.

The difference comparison unit is used to compare the corresponding pixel data of each corresponding sub-rectangle of the continuous shooting photos, and obtain the difference area and the repeated area;

In order to speed up the comparison of differences, according to the principle of proximity, two or more photos in the continuous shooting group can be divided into a comparison group, and divided into multiple comparison groups according to the number of continuous shooting photos. In order to optimize the continuous shooting of this group The comparison speed of photos is set to one comparison for each photo. For example, if there are 5 photos taken continuously, the first two photos may form the first comparison group, and the last three photos may form the second comparison group.

When comparing photos in the comparison group, compare pixel-by-pixel data in units of sub-rectangles. If a corresponding pixel data is found to be different in a corresponding sub-rectangle, stop comparing other pixel data of the sub-rectangle in the comparison group, and Mark this sub-rectangular area as a difference area. If all corresponding pixel data in a corresponding sub-rectangle are the same, the sub-rectangle is marked as a repeated area.

The repeated area and the difference area include one or several sub-rectangles. According to the size and position of the difference area, the overall appearance is a rectangle or an irregular shape. As shown in Figure 5, the repeated area includes 3 sub-rectangles, and the overall appearance is different. Regular shape, while the difference area includes a sub-rectangle, which behaves as a rectangle overall.

The cropping and filling unit is used for processing the continuous shooting photos, cropping the pixel data of repeated regions and filling the cropped regions with simple data to obtain processed difference regions.

The simple data mentioned here refers to repetitive data that occupies less bytes after encoding, such as filling all 0 or other data, so as to obtain the rectangular picture information of the complete data.

The operation of filling 0 in the repeated area is because the encoding method used by ordinary encoders is as follows: 000000 occupies 6 digits, and after encoding, it is 60, accounting for two digits, which can greatly reduce the storage space occupied after encoding. Increase the compression ratio.

The encoding storage unit is used for encoding and storing the processed continuous shooting photos and repeated areas respectively.

The encoding storage unit is implemented by an encoder, and the encoding of pictures has multiple formats, and the present invention does not care about the encoding format of the pictures, that is, it does not care about JPEG or PNG or other formats, but after modifying the original data, the modified Images and repeated regions are encoded and stored to ensure high-efficiency compression.

If the repeated area includes multiple continuous or non-continuous sub-rectangles, the multiple sub-rectangles can be coded and stored separately, or recombined into one or more rectangles according to the continuity of the sub-rectangles of the repeated area and then encoded and stored. In general, a Repeated regions of the comparison group were coded only once.

The processed continuous shooting photos are coded and stored with the file name automatically generated by the device. The file name can be changed by the user, while the coded number of the repeated area cannot be changed, so as to bind relevant associated information.

Repeated region coding is stored with a number associated with the file name of the corresponding processed burst photo.

The data content of the continuous shooting photos processed according to the difference area is equivalent to the data content of the original difference area.

The associated information recording unit is used for recording the associated information between each of the continuously shot photos and the overlapping regions, so as to combine and restore the continuously shot photos according to the associated information.

The associated information includes the file name of the continuously shot photo, the number of the repeated area associated with the file name, and the relative positional relationship between the repeated area and the processed photo.

According to the difference comparison result, the repeated area may include multiple sub-rectangles, thereby obtaining multiple encoded storage numbers and multiple relative area position relationships.

The decoding and merging unit is used to decode the difference area and the repeated area according to the user's browsing requirements, and perform merging and restoration according to the associated information of the associated information recording unit, so as to display the complete photo.

According to the number of the associated repeated area, the file encoded and stored in the repeated area can be found, and the decoded difference area and the repeated area are merged and restored according to the relative positional relationship.

The image processing equipment with the continuous shooting function can also improve the compression ratio of the continuous shooting photos after adopting the continuous shooting photo processing device of the present invention.

The processing method of the continuous shooting photos of the present invention will be described below.

After the user activates the continuous shooting function and performs continuous shooting, the processing of the continuous shooting photos includes the following steps:

Step 201, after storing all the pixel data of each continuous shooting photo, divide it into several sub-rectangles according to the same division method;

Step 202: re-store the pixel data of each sub-rectangle according to the divided sub-rectangles;

Taking FIG. 3 as an example, how to divide and store the sub-rectangular pixel data will be described below.

Assuming that Figure 3 is one of the continuous shooting photos, the width width=10, the upper left corner vertex is taken as the origin of the coordinates, y indicates the row, the value is 0-6, x indicates the column, the value is 0-9, Locate to any point of the image according to the x and y coordinates. For example, the pixel data of the entire photo is stored in an array of char type, arranged linearly, and stored as: 12345678901234567890123456789012345678901234567890, which can be calculated according to image[y*width+x] Get the pixel values of coordinates x and y (width is the width of the entire rectangular photo, which is 10). If the photo is divided into 6 sub-rectangles, when storing the first sub-rectangle area, two rows of data are taken, and its method is: Image[0*width+0] takes 5 pixels as the starting point, and then image[1*width+0] takes 5 pixels as the starting point again. The data taken out of these two times are connected together to form the pixels of the first sub-rectangle Data, stored as: 1234512345.

Step 203: Divide into comparison groups, compare the pixel data of the corresponding sub-rectangles of each comparison group, and obtain repeated area information and difference area information;

Divide all continuous shooting photos into groups of at least two, and compare whether the corresponding pixel data of the corresponding sub-rectangles in each comparison group are the same at the same time or sequentially. If the pixel data of the corresponding sub-rectangles are the same, Then identify the sub-rectangle as a repeated area, otherwise it is a difference area.

If it is found that a pair of corresponding pixel data of a pair of corresponding sub-rectangles is different, mark the corresponding sub-rectangle as a difference area, and end the comparison of the corresponding sub-rectangle; if all corresponding pixel data of a certain pair of corresponding sub-rectangles are the same, mark The corresponding sub-rectangle is a repeated area, and the comparison of the next pair of corresponding sub-rectangle data pixels is continued; the comparison of all comparison groups and their sub-rectangles is completed, and the repeated area of each comparison group and the difference area of each photo in each comparison group are obtained.

The difference comparison result including difference region information and duplicate region information may be stored in the file system of the temporary storage area.

Step 204: Code and store the repeated regions of each comparison group;

For a comparison group, repeated regions need only be encoded once, and the larger the repeated region, the higher the compression ratio.

Step 205: Process the continuous shooting photos in each comparison group, that is, cut the repeated area according to the comparison result, and fill in simple data, such as 0;

According to the comparison result, the positions of the repeated area and the difference area are known. At this time, the method of memoryset (a standard C language operation on memory, in which image data is stored) is used to process the pixel data of the repeated area outside the area. Set it to 0, fill in 0 in the repeated area of the original photo and send it to the encoder for compression.

Step 206: Code and store the processed photos, and record the association information between the overlapping areas of each comparison group and the original photos at the same time, so as to combine and restore them according to the association information.

The associated information is stored in the image storage database, including the file name of the processed photo, the number of the repeated area associated with the file name, the position information of the repeated area in the original photo (or the relative area position information between the repeated area and the difference area), etc.

There may be multiple such processing methods stored in the image processing device, and the file names are independent and not duplicated. The file is associated with the repeated area of the number, and it is only known which repeated area needs to be taken out when the picture is displayed. displayed together.

The above continuous shooting photo storage method can be realized by the high-compression storage function after the continuous shooting of the digital image processing device: that is, the user selects the continuous shooting function to perform continuous shooting; after the continuous shooting is completed, the user selects the save function and selects high compression Storage Save the captured pictures.

When the user browses the stored continuous shooting photos, the photo browsing function is activated, and after selecting a continuous shooting photo to be browsed, the continuous shooting photo processing device performs the following steps:

Step 401: According to the association number of the file name of the photo selected by the user to browse (the photo here is a processed photo with only a difference area), find the coded storage file of the associated repeated area;

Step 402: Decoding the repeated area and the processed photo;

The process of decoding is the process of converting the picture of the repeated area and the difference area back into pixel data.

Step 403: Merge the decoded processed photo (difference region) and the repeated region according to the location information of the repeated region in the associated information to obtain pixel data of the complete photo to display the complete photo.

The pixel data of the decoded picture is stored in an array of char type, which is arranged linearly. We can locate any point of the image according to the x, y coordinates. For example, image[y*width+x] is the coordinates of x, y Pixel value, repeat area number Look up the coordinate information in the picture storage database, according to the found x, y coordinate information, use the method of memcpy (this is a standard C language data processing function, used for data merging) to convert the pixels of the repeat area The data is copied into the pixel data of the original image.

The shape of the continuous shooting photos and the shape after division depend on the ability of the encoder. As far as the current technology is concerned, it is easier to implement by dividing into rectangular partitions. However, with the development of encoding technology, the shape of the partition may change. In a sense, this partition can be subdivided into rows or columns or a single pixel. After the difference comparison is completed, as long as the repeated areas of the comparison group are coded once and enough associated information is recorded, the purpose of the present invention can be achieved.

After the difference comparison, the original photo is cut and filled according to the difference comparison result. On the one hand, there is relatively little related information to be recorded. That is, when browsing, because the size of the processed photo is unchanged compared with the original photo, it is relatively easy to realize the merge processing with the processed photo after decoding the repeated region.

Based on the idea of the present invention, it is also possible to keep a photo (in the comparison group) without cutting and filling processing, and record the coordinate position of the overlapping area between it and other photos (in the comparison group) in the photo, no matter which photo is browsed, It is necessary to decode the unprocessed photo first, so as to copy the pixel data of the repeated area to the appropriate position of the pixel data of the processed photo to be browsed, so as to restore the photo to be browsed, this method is relatively complicated .

Another method is that each photo is not cut and filled, but is only coded and stored according to the difference comparison result and the repeated area (of the comparison group). In order to restore the photo, there are relatively many related information that need to be recorded, including The size of the original photo, the location information of the difference area and the repeated area in the original photo (such as the boundary coordinate position in the original photo coordinate system, or the order information of the implied position relationship), and/or the relative area position of the difference area and the repeated area.

In general, the recorded associated information must be the sum of information that is sufficient to merge the repeated regions and the difference regions to restore the photos.

Regardless of whether to cut and fill, because the repeated area and the difference area of each continuous shooting photo participating in the comparison are coded and stored separately, as long as the number of coding times of the repeated area is less than the number of photos participating in the comparison, the compression rate of the continuous shooting photo can be improved , of course the best way to deal with it is to encode the repeated region only once.

Applications

As shown in Figure 5, two pictures are taken continuously in Figure 5-1 (hereinafter referred to as P1) and Figure 5-2 (hereinafter referred to as P2), the compression storage process of these two continuous shooting pictures includes the following steps:

a. Temporary storage

Divide continuous shooting photo 1 P1 and continuous shooting photo 2 P2 into 4 sub-rectangles R1, R2, R3, R4 for temporary pixel data storage;

The sub-rectangles of the continuous shooting photo one P1 are denoted as R11, R12, R13, R14 respectively;

Each sub-rectangle of the continuous shooting photo 2 P2 is represented as R21, R22, R23, R24 respectively;

The pixel data in each sub-rectangle is arrayed in char type and arranged linearly

b. Difference comparison

Take the sub-rectangle as the unit, compare the difference between the corresponding pixel data in the corresponding sub-rectangles of P1 and P2, if a pair of pixel data in a certain pair of sub-rectangles is different, the corresponding sub-rectangle area is determined to be the difference area, and the steps are completed in sequence Comparing the difference between the 4 pairs of sub-rectangles, the fourth sub-rectangle area is the difference area, that is, R14 is different from R24, and the repeated areas are R11 (R21), R12 (R22) and R13 (R23);

c. Code storage

Code and store the repeated regions and the difference regions of P1 and P2 respectively;

If the encoder can only encode rectangular pictures, the repeated area is encoded once with the rectangular area composed of R11 (R21) and R12 (R22), and the storage label is R1121, and the rectangular area of R13 (R23) is encoded once, and stored The number is R1323, and the difference area R14 of P1 is encoded once, and the storage file name is P1, and the difference area R24 of P2 is encoded once, and the storage file name is P2.

It should be understood here that although the repeated area was coded twice after being reorganized according to the divided partitions, but for the entire repeated area, only one encoding was performed, and it should be considered that the number of times (one) encoded in the repeated area was less than that of the photographs involved in the comparison. Number (2 sheets).

d. Record related information

The associated information of the recorded photo P1 includes:

File name: P1;

Repeated region numbers: R1121, R1323;

Location information: the difference region is R4, and the repeat regions are R1, R2, and R3.

The associated information of the recorded photo P2 includes:

File name: P2;

Repeated region numbers: R1121, R1323;

Position information: the difference area is R4, and the repeat area is R1, R2, R3

The location information in this application example adopts sequential numbers that imply coordinate locations.

The present invention uses the similarity between the continuous shooting photos, compares the pixel data, and obtains the information of the repeated area and the difference area. When encoding, the repeated area and the difference area of each continuous shooting photo participating in the comparison are coded and stored respectively. The number of encoding times of the repeated area is less than the number of photos participating in the comparison. The best way is to encode the repeated area only once, store it as shared data, and use it together to spell out the original image when it is to be decoded. This can improve the compression rate of the photo and reduce its storage space in the image processing device.

Claims (14)

1. A method for processing continuous shooting photos, characterized in that the method may further comprise the steps: (a) Temporarily store the pixel data of at least two consecutive photos; (b) compare the pixel data of the corresponding positions of the continuous shooting photos, and obtain the difference comparison result including the repeated area information and the difference area information; (c) respectively encode and store the repeated regions and the difference regions of the consecutive photographs participating in the comparison, wherein the number of encodings of the repeated regions is less than the number of photographs participating in the comparison; (d) Record the associated information of the repeated area and the difference area of each continuous shooting photo, and the described related information is sufficient for merging and restoring the continuous shooting photos; (e) When browsing the continuous shooting photos, the difference area and the repeated area associated with the difference area are decoded, and the repeated area and the difference area are merged according to the recorded associated information to restore the continuous shooting photos. 2. The method as claimed in claim 1, characterized in that: in the step (a), at least two continuous shooting photos are divided into several partitions in the same way, and the at least two photos are called a comparison group; step ( In b), the comparison of the corresponding partitions of the comparison group is completed. When the partitions are compared, the corresponding pixel data are compared one by one. If a corresponding pixel data is found to be different, the comparison of other corresponding pixel data of the partition is abandoned, and the partition is marked as For the difference area of the comparison group, if all the corresponding pixel data of a subregion of the comparison group are the same, the subregion is marked as a repeated area of the comparison group. 3. The method according to claim 1 or 2, characterized in that: before encoding the difference regions of each continuous shooting photo in the step (c), the repeated regions in each continuous shooting photo are cut out according to the difference comparison result, And fill it with simple data; the simple data refers to repeated data that occupies less bytes after encoding. 4. The method according to claim 3, wherein the associated information includes the file name stored in the difference area, the number of the associated repeated area, and relative area position information between the repeated area and the difference area. 5. The method as claimed in claim 1, characterized in that: the photos and partitions are rectangles, the repeated area and the difference area of the continuous shooting photos include one or more partition rectangles, and each partition is combined or coded separately . 6. A continuous shooting photo processing device, characterized in that the device includes a temporary storage unit, a difference comparison unit, an associated information storage unit, an encoding storage unit and a decoding and merging unit, wherein, The temporary storage unit is used for temporarily storing the pixel data of each continuous shooting photo; A difference comparison unit, configured to compare the corresponding position pixel data of each continuous shooting photo to obtain a difference comparison result including repeated area information and difference area information; The associated information recording unit is used to record the associated information between the difference area and the repeated area of each continuous shooting photo, and the associated information is enough to merge and restore the continuous shooting photos; An encoding storage unit is used to encode and store the repeated area and the difference area of each continuous shooting photo participating in the comparison, wherein the number of encodings of the repeated area is less than the number of photos participating in the comparison; The decoding merging unit is configured to decode the difference area and the repeated area associated with the difference area, and merge the difference area and the repeated area according to the associated information to restore the continuous shooting photos. 7. The device according to claim 6, wherein the temporary storage unit divides at least two consecutive photos into several partitions in the same way, and the at least two photos are called a comparison group; The difference comparison unit is used to complete the comparison of the corresponding partitions of the comparison group. When the partitions are compared, the corresponding pixel data are compared one by one. If a corresponding pixel data is found to be different, the comparison of other corresponding pixel data of the partition is abandoned, and the partition is marked. is the difference area of the comparison group, if all the corresponding pixel data of a certain partition of the comparison group are the same, then mark this partition as the repeated area of the comparison group. 8. The device according to claim 6 or 7, characterized in that, the device also includes a cutting and filling unit, which is used to cut out repeated regions in the continuous shooting photos according to the difference comparison result of the difference comparison unit, and use simple data padding; the simple data refers to repetitive data that occupies less bytes after encoding. 9 . The device according to claim 6 , wherein the association information includes a file name stored in the difference area, a number of an associated repeated area, and relative area position information between the repeated area and the difference area. 10. An image processing device, which has a continuous shooting photo processing device with auxiliary continuous shooting function, characterized in that the device includes a temporary storage unit, a difference comparison unit, an associated information storage unit, an encoding storage unit and a decoding and merging unit ,in, The temporary storage unit is used for temporarily storing the pixel data of each continuous shooting photo; A difference comparison unit, configured to compare the corresponding position pixel data of each continuous shooting photo to obtain a difference comparison result including repeated area information and difference area information; The associated information recording unit is used to record the associated information between the difference area and the repeated area of each continuous shooting photo, and the associated information is enough to merge and restore the continuous shooting photos; An encoding storage unit is used to encode and store the repeated area and the difference area of each continuous shooting photo participating in the comparison, wherein the number of encodings of the repeated area is less than the number of photos participating in the comparison; The decoding merging unit is configured to decode the difference area and the repeated area associated with the difference area, and merge the difference area and the repeated area according to the associated information to restore the continuous shooting photos. 11. The device according to claim 10, wherein the temporary storage unit divides at least two consecutive photos into several partitions in the same way, and the at least two photos are called a comparison group; The difference comparison unit is used to complete the comparison of the corresponding partitions of the comparison group. When the partitions are compared, the corresponding pixel data are compared one by one. If a corresponding pixel data is found to be different, the comparison of other corresponding pixel data of the partition is abandoned, and the partition is marked. is the difference area of the comparison group, if all the corresponding pixel data of a certain partition of the comparison group are the same, then mark this partition as the repeated area of the comparison group. 12. The device according to claim 10 or 11, characterized in that, the device further comprises a cutting and filling unit, which is used to cut out repeated regions in the continuous shooting photos according to the difference comparison result of the difference comparison unit, and use simple data padding; the simple data refers to repetitive data that occupies less bytes after encoding. 13. The device according to claim 10, wherein the associated information includes the file name stored in the difference area, the number of the associated repeated area, and the relative area position information of the repeated area and the difference area. 14. The device according to claim 10, characterized in that: the photos and partitions are rectangles, the repeated area and the difference area of the continuous shooting photos include one or more partition rectangles, and each partition is combined or coded separately .

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