CN109862365A - Image processing method and device - Google Patents
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Abstract
The disclosure provides a kind of image processing method and device, is related to the communications field, the problem of the waste of data processing resources caused by being able to solve in image data compression procedure and low efficiency etc..The specific technical proposal is: by generating target mask code matrix after current image date at least one target pixel points different from reference image data, and according to target mask code matrix separating treatment current image date, generate target figure layer data；First coding data is generated according to the corresponding data of target pixel points in pre-arranged code rule encoding target figure layer data；In processing target figure layer data after the corresponding data of non-targeted pixel, the second coded data is generated；According to default decoding rule process first coding data and the second coded data, destination image data is generated.The present invention is used for image real time transfer.
Description
Technical field
This disclosure relates to field of communication technology more particularly to image processing method and device.
Background technique
In order to more efficiently store and transmit image data, need to carry out compression processing, compression of images to image data
It is the application of data compression technique on the digital image.
In the prior art, image compression algorithm is using macro block as the basic unit of data processing.Macro block, English
Macroblock is a basic conception in video coding technique.By separate the picture into block of different sizes one by one come
Realize the Compression Strategies of different location.
But during data processing, if any point in macro block changes, to need to entire macro block into
Row coded treatment, so that data processing resources when causing Image Data Compression, which consume excessive, data-handling efficiency, to be reduced.
Summary of the invention
The embodiment of the present disclosure provides a kind of image processing method and device, is able to solve in image data compression procedure
Caused by data processing resources waste and the problems such as low efficiency.The technical solution is as follows:
According to the first aspect of the embodiments of the present disclosure, a kind of image processing method is provided, this method comprises:
Current image date is obtained, determines current image date at least one target picture different from reference image data
Vegetarian refreshments, and target mask code matrix is generated, target mask code matrix is used to indicate the target position information of target pixel points；
According to target mask code matrix separating treatment current image date, target figure layer data are generated；
It obtains in target figure layer data after the corresponding data of target pixel points, the first coding is generated according to pre-arranged code rule
Data；In processing target figure layer data after the corresponding data of non-targeted pixel, the second coding is generated according to pre-arranged code rule
Data；
According to default decoding rule process first coding data and the second coded data, destination image data is generated.
In one embodiment, the generation target mask code matrix in this method, comprising:
Obtain the corresponding target position data of at least one target pixel points；
According to current image date, marking target position corresponding data numerical value is 1, marks non-targeted position corresponding data number
Value is 0, generates target mask code matrix.
In one embodiment, it is counted in this method according to object pixel in target mask code matrix separating treatment image data
According to generation target figure layer data, comprising:
According to target mask code matrix, current image date is compared, obtains at least one corresponding object pixel of target position
The object feature value of point；
Object feature value is filled to target position, and default characteristic value is filled to non-targeted position, generates target
Figure layer data.
In one embodiment, it is counted in this method according to object pixel in target mask code matrix separating treatment image data
According to generation target figure layer data, further includes:
According to target mask code matrix, current image date is compared, obtaining non-targeted position, corresponding at least one is non-targeted
The characteristic value of pixel；
According to target mask code matrix, reference image data is compared, obtains at least one corresponding object pixel of target position
The reference characteristic value of point；
Reference characteristic value is filled to target position, and characteristic value is filled to non-targeted position, generates non-changing figure
Layer data, non-changing figure layer data are consistent with reference image data content.
In one embodiment, in this method in processing target figure layer data after the corresponding data of non-targeted pixel, root
The second coded data is generated according to pre-arranged code rule, comprising:
It obtains in target figure layer data after the corresponding default characteristic value of non-targeted pixel, according to pre-arranged code rule parsing
After default characteristic value, the second coded data is generated.
In one embodiment, pre-arranged code rule process processing first coding data and the second coded number in this method
According to generation destination image data, comprising:
According to default decoding rule, first coding data is parsed, obtains the corresponding actual characteristic value of first coding data, it is raw
At the first decoding data；
According to default decoding rule, parse the second coded data, obtain the corresponding default characteristic value of the second coded data and
Position data obtains the corresponding actual characteristic value of position data, generates the second decoding data according to reference image data；
According to the first decoding data and the second decoding data, destination image data is generated.
The image processing method that the embodiment of the present disclosure provides, by determining current image date and reference image data
Target mask code matrix is generated after middle at least one different target pixel points, and is currently schemed according to target mask code matrix separating treatment
As data, target figure layer data are generated；According to the corresponding number of target pixel points in pre-arranged code rule encoding target figure layer data
According to generation first coding data；In processing target figure layer data after the corresponding data of non-targeted pixel, the second coded number is generated
According to；According to default decoding rule process first coding data and the second coded data, destination image data is generated.The disclosure passes through
Current image date determines variation pixel afterwards compared with reference image data, and generates the variation diagram number of plies according to variation pixel
Processing variation figure layer data are only needed when according to, image coding and decoding.
According to the second aspect of an embodiment of the present disclosure, a kind of image data processing system is provided, comprising: processor and image
Codec,
Processor is connected with image codec,
Processor determines that current image date is different from reference image data extremely for obtaining current image date
Few target pixel points, and target mask code matrix is generated, target mask code matrix is used to indicate the target position of target pixel points
Information；
And according to target mask code matrix separating treatment current image date, target figure layer data are generated；
Image codec, for obtaining in target figure layer data after the corresponding data of target pixel points, according to default volume
Code rule generates first coding data；In processing target figure layer data after the corresponding data of non-targeted pixel, according to default volume
Code rule generates the second coded data；
And according to default decoding rule process first coding data and the second coded data after, generate destination image data.
In one embodiment, the processor of the device, further includes first acquisition unit and the first generation unit,
First acquisition unit, for obtaining the corresponding target position data of at least one target pixel points；
First generation unit, for according to current image date, marking target position corresponding data numerical value to be 1, is marked non-
Target position corresponding data numerical value is 0, generates target mask code matrix.
In one embodiment, the processor of the device, further includes second acquisition unit and the second generation unit,
It is corresponding to obtain target position for comparing current image date according to target mask code matrix for second acquisition unit
The object feature value of at least one target pixel points；
Second generation unit is filled for filling object feature value to target position, and by default characteristic value to non-mesh
After cursor position, target figure layer data are generated.
In one embodiment, the image codec of the device, further includes: the first decoding generation unit, the second decoding
Generation unit and image generation unit,
First decoding generation unit, for parsing first coding data, obtaining the first coded number according to default decoding rule
According to corresponding actual characteristic value, the first decoding data is generated；
Second decoding generation unit, for parsing the second coded data, obtaining the second coded number according to default decoding rule
The corresponding actual characteristic value of position data is obtained according to reference image data according to corresponding default characteristic value and position data, it is raw
At the second decoding data；
Image generation unit, for generating destination image data according to the first decoding data and the second decoding data.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart for image processing method that the embodiment of the present disclosure provides；
Fig. 2 is a kind of target figure layer schematic diagram data for image processing method that the embodiment of the present disclosure provides；
Fig. 3 is a kind of structure chart for image data processing system that the embodiment of the present disclosure provides；
Fig. 4 is the structure chart of processor in a kind of image data processing system of embodiment of the present disclosure offer；
Fig. 5 is the structure chart 1 of processor in a kind of image data processing system of embodiment of the present disclosure offer；
Fig. 6 is the structure chart of image codec in a kind of image data processing system of embodiment of the present disclosure offer.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Embodiment one
The embodiment of the present disclosure provides a kind of image processing method, as shown in Figure 1, the image processing method includes
Following steps:
101, current image date is obtained, determines current image date at least one mesh different from reference image data
Pixel is marked, and generates target mask code matrix.
Target mask code matrix is used to indicate the target position information of target pixel points.
In an alternative embodiment, the method for target mask code matrix is generated in the present embodiment, comprising:
Obtain the corresponding target position data of at least one target pixel points；
According to current image date, marking target position corresponding data numerical value is 1, marks non-targeted position corresponding data number
Value is 0, generates target mask code matrix.
In an alternative embodiment, the method for target mask code matrix is generated further include: as unit of macroblock image data, detection
Current image date and the pixel value in reference image data are either with or without changing.By macro block data in current image date by
A pixel compared with macro block in reference image data and mark variation pixel position, formed a two-dimensional target
Mask code matrix.
102, according to target mask code matrix separating treatment current image date, target figure layer data are generated.
Target figure layer data, i.e. variation diagram layer data are used to indicate different from reference image data in current image date
Pixel, i.e., the pixel value of variation is separately separated out, the default characteristic value filling of rest part generates the figure of variation
Layer.
In an alternative embodiment, it according to object pixel point data in target mask code matrix separating treatment image data, generates
Target figure layer data, comprising:
According to target mask code matrix, current image date is compared, obtains at least one corresponding object pixel of target position
The object feature value of point；
Object feature value is filled to target position, and default characteristic value is filled to non-targeted position, generates target
Figure layer data.
In in alternative embodiment, according to object pixel point data in target mask code matrix separating treatment current image date
Afterwards, target figure layer data and non-changing figure layer data are generated, wherein generating non-changing figure layer data, comprising:
According to target mask code matrix, current image date is compared, obtaining non-targeted position, corresponding at least one is non-targeted
The characteristic value of pixel；
According to target mask code matrix, reference image data is compared, obtains at least one corresponding object pixel of target position
The reference characteristic value of point；
Reference characteristic value is filled to target position, and characteristic value is filled to non-targeted position, generates non-changing figure
Layer data, non-changing figure layer data are consistent with reference image data content.
By target mask code matrix separating treatment current image date, variation diagram layer data and non-changing figure layer number are generated
According to, convenient for only needing the pixel of encoding and decoding processing variation in encoding and decoding treatment process, so that the efficiency of data processing is improved,
It economizes on resources.
Such as Fig. 2, specific example is enumerated herein and is illustrated through target mask code matrix separating treatment current image date, mesh is generated
Layer of marking on a map determines the different target of the two image data after reference image data 201 and the comparison of current image date 203
Pixel 203 generates target figure layer data 204, wherein wrapping by target mask code matrix separating treatment current image date 203
Target pixel points 203 are included, the default characteristic value filling of characteristic value of remaining position pixel.
103, it obtains in target figure layer data after the corresponding data of target pixel points, generates first according to pre-arranged code rule
Coded data；In processing target figure layer data after the corresponding data of non-targeted pixel, second is generated according to pre-arranged code rule
Coded data.
In an alternative embodiment, in processing target figure layer data after the corresponding data of non-targeted pixel, according to default volume
Code rule generates the second coded data, comprising:
It obtains in target figure layer data after the corresponding default characteristic value of non-targeted pixel, according to pre-arranged code rule parsing
After default characteristic value, the second coded data is generated.
It is replaced by the way that by non-targeted pixel, i.e., there is no the unifications of the pixel of variation with default characteristic value, thus real
Now in an encoding process, the map data mining platform that only transmission changes, therefore compression rates can be greatly improved.Encode the method packet of compression
Include: the coding modes such as JPEG, H264, H265 are encoded.Also can according to need will be transmitted to after the compression of two-dimentional figure layer mask
Decoding end.
104, according to default decoding rule process first coding data and the second coded data, destination image data is generated.
In an alternative embodiment, first coding data and the second coded data are handled according to pre-arranged code rule process, it is raw
At destination image data, comprising:
According to default decoding rule, first coding data is parsed, obtains the corresponding actual characteristic value of first coding data, it is raw
At the first decoding data；
According to default decoding rule, parse the second coded data, obtain the corresponding default characteristic value of the second coded data and
Position data, and according to reference image data, the corresponding actual characteristic value of position data is obtained, the second decoding data is generated；
According to the first decoding data and the second decoding data, destination image data is generated.
Recovery does not have changed figure layer.According to the mode of coding, 0 value in figure layer will be changed, in reference picture
Corresponding value replaces.
In an alternative embodiment, the second coded data of decoding further includes that, according to the target mask code matrix of acquisition, will not become
The data of the pixel position of change are replaced with the characteristic value of reference image data corresponding position.
The image processing method that the embodiment of the present disclosure provides, by determining current image date and reference image data
Target mask code matrix is generated after middle at least one different target pixel points, and is currently schemed according to target mask code matrix separating treatment
As data, target figure layer data are generated；According to the corresponding number of target pixel points in pre-arranged code rule encoding target figure layer data
According to generation first coding data；In processing target figure layer data after the corresponding data of non-targeted pixel, the second coded number is generated
According to；According to default decoding rule process first coding data and the second coded data, destination image data is generated.The disclosure passes through
Current image date determines variation pixel afterwards compared with reference image data, and generates the variation diagram number of plies according to variation pixel
According to encoding and decoding only need processing variation figure layer data.
Embodiment two
It is following for disclosure device reality based on image processing method described in the corresponding embodiment of above-mentioned Fig. 1
Example is applied, can be used for executing embodiments of the present disclosure.
The embodiment of the present disclosure provides a kind of image data processing system, as shown in figure 3, the image data processing system 30 wraps
Include: processor 301 and image codec 302, processor 301 are connected with image codec 302,
Processor 301 determines that current image date is different from reference image data for obtaining current image date
At least one target pixel points, and target mask code matrix is generated, target mask code matrix is used to indicate the target position of target pixel points
Confidence breath；
And according to target mask code matrix separating treatment current image date, target figure layer data are generated.
As shown in figure 4, in an alternative embodiment, the processor 301 in disclosure device, further includes first acquisition unit
3011 and first generation unit 3012,
First acquisition unit 3011, for obtaining the corresponding target position data of at least one target pixel points；
First generation unit 3012, for according to current image date, marking target position corresponding data numerical value to be 1, mark
Remember that non-targeted position corresponding data numerical characteristics value is 0, generates target mask code matrix.
As shown in figure 5, in an alternative embodiment, the processor in disclosure device further includes second acquisition unit 3013
With the second generation unit 3014,
Second acquisition unit 3013 obtains target position pair for comparing current image date according to target mask code matrix
The object feature value at least one target pixel points answered；
Second generation unit 3014, for filling object feature value to target position, and by default characteristic value fill to
Behind non-targeted position, target figure layer data are generated.
Image codec 302, for obtaining in target figure layer data after the corresponding data of target pixel points, according to default
Coding rule generates first coding data；In processing target figure layer data after the corresponding data of non-targeted pixel, according to default
Coding rule generates the second coded data；
And according to default decoding rule process first coding data and the second coded data after, generate destination image data.
As shown in fig. 6, in an alternative embodiment, the image codec 302 in disclosure device, further includes: the first solution
Code generation unit 3021, second decodes generation unit 3022 and image generation unit 3023,
First decoding generation unit 3021 obtains first and compiles for parsing first coding data according to default decoding rule
The corresponding actual characteristic value of code data, generates the first decoding data；
Second decoding generation unit 3022 obtains second and compiles for parsing the second coded data according to default decoding rule
The corresponding default characteristic value of code data and position data obtain the corresponding actual characteristic of position data according to reference image data
Value generates the second decoding data；
Image generation unit 3023, for generating destination image data according to the first decoding data and the second decoding data.
The image data processing system that the embodiment of the present disclosure provides, including processor and image codec, the processor
For generating target mask square after confirming current image date at least one target pixel points different from reference image data
Battle array, and according to target mask code matrix separating treatment current image date, generate target figure layer data；The image codec is used for
First coding data, which is generated, according to the corresponding data of target pixel points in pre-arranged code rule encoding target figure layer data handles mesh
In layer data of marking on a map after the corresponding data of non-targeted pixel, the second coded data is generated；According to default decoding rule process
One coded data and the second coded data generate destination image data.The disclosure passes through current image date and reference picture number
Change pixel according to determining more afterwards, and variation diagram layer data is generated according to variation pixel, encoding and decoding only need processing variation figure
Layer data.
Based on image processing method described in the corresponding embodiment of above-mentioned Fig. 1, the embodiment of the present disclosure is also provided
A kind of computer readable storage medium, for example, non-transitorycomputer readable storage medium can be read-only memory (English:
Read Only Memory, ROM), random access memory (English: Random Access Memory, RAM), CD-ROM, magnetic
Band, floppy disk and optical data storage devices etc..It is stored with computer instruction on the storage medium, it is corresponding for executing above-mentioned Fig. 1
Image processing method described in embodiment, details are not described herein again.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
Claims (10)
1. a kind of image processing method, which is characterized in that the described method includes:
Current image date is obtained, determines the current image date at least one mesh different from the reference image data
Pixel is marked, and generates target mask code matrix, the target mask code matrix is used to indicate the target position information of target pixel points；
According to current image date described in the target mask code matrix separating treatment, target figure layer data are generated；
After obtaining the corresponding data of target pixel points described in the target figure layer data, first is generated according to pre-arranged code rule
Coded data；After handling the corresponding data of the non-target pixel points in the target figure layer data, according to pre-arranged code rule
Generate the second coded data；
According to first coding data described in default decoding rule process and second coded data, destination image data is generated.
2. the method according to claim 1, wherein the generation target mask code matrix, comprising:
Obtain the corresponding target position data of at least one described target pixel points；
According to the current image date, marking the target position corresponding data numerical value is 1, marks the non-target position
Setting corresponding data numerical value is 0, generates the target mask code matrix.
3. the method according to claim 1, wherein described according to the target mask code matrix separating treatment
Object pixel point data in image data generates target figure layer data, comprising:
It is described that the current image date is compared according to the target mask code matrix, it is corresponding at least to obtain the target position
The object feature value of one target pixel points；
The object feature value is filled to the target position, and default characteristic value is filled to the non-target position,
Generate the target figure layer data.
4. according to the method described in claim 3, it is characterized in that, described according to the target mask code matrix separating treatment
Object pixel point data in image data generates target figure layer data, further includes:
It is described that the current image date is compared according to the target mask code matrix, it is corresponding extremely to obtain the non-target position
The characteristic value of few non-target pixel points；
It is described that the reference image data is compared according to the target mask code matrix, it is corresponding at least to obtain the target position
The reference characteristic value of one target pixel points；
The reference characteristic value is filled to the target position, and characteristic value is filled to the non-target position, is generated
The non-changing figure layer data, the non-changing figure layer data are consistent with the reference image data content.
5. the method according to claim 1, wherein non-targeted pixel in the processing target figure layer data
After the corresponding data of point, the second coded data is generated according to pre-arranged code rule, comprising:
After obtaining the corresponding default characteristic value of non-targeted pixel in the target figure layer data, according to pre-arranged code rule parsing
After the default characteristic value, second coded data is generated.
6. the method according to claim 1, wherein handling first coding according to pre-arranged code rule process
Data and second coded data generate destination image data, comprising:
According to default decoding rule, the first coding data is parsed, the corresponding actual characteristic of the first coding data is obtained
Value generates the first decoding data；
According to the default decoding rule, second coded data is parsed, it is corresponding default to obtain second coded data
Characteristic value and position data obtain the corresponding actual characteristic value of the position data according to the reference image data, generate the
Two decoding datas；
According to first decoding data and second decoding data, the destination image data is generated.
7. a kind of image data processing system characterized by comprising processor and image codec, the processor with
Described image codec is connected,
The processor determines in the current image date and the reference image data for obtaining current image date
At least one different target pixel points, and target mask code matrix is generated, the target mask code matrix is used to indicate object pixel
The target position information of point；
And the current image date according to the target mask code matrix separating treatment, generate target figure layer data；
Described image codec, after obtaining the corresponding data of target pixel points described in the target figure layer data, root
First coding data is generated according to pre-arranged code rule；Handle the corresponding number of the non-target pixel points in the target figure layer data
According to rear, the second coded data is generated according to pre-arranged code rule；
And after the first coding data according to default decoding rule process and second coded data, target image number is generated
According to.
8. device according to claim 7, which is characterized in that the processor further includes first acquisition unit and first
Generation unit,
The first acquisition unit, for obtaining the corresponding target position data of at least one described target pixel points；
First generation unit, for according to the current image date, marking the target position corresponding data numerical value to be
1, marking the non-target position corresponding data numerical value is 0, generates the target mask code matrix.
9. device according to claim 7, which is characterized in that the processor further includes second acquisition unit and second
Generation unit,
The second acquisition unit, for comparing the current image date, obtaining the mesh according to the target mask code matrix
The object feature value of at least one corresponding target pixel points of cursor position；
Second generation unit for filling the object feature value to the target position, and default characteristic value is filled out
After being charged to the non-target position, the target figure layer data are generated.
10. device according to claim 7, which is characterized in that described image codec, further includes: the first decoding
Generation unit, the second decoding generation unit and image generation unit,
The first decoding generation unit obtains described for parsing the first coding data according to default decoding rule
The corresponding actual characteristic value of one coded data generates the first decoding data；
The second decoding generation unit, for parsing second coded data, obtaining institute according to the default decoding rule
It states the corresponding default characteristic value of the second coded data and position data and the positional number is obtained according to the reference image data
According to corresponding actual characteristic value, the second decoding data is generated；
Described image generation unit, for generating the target according to first decoding data and second decoding data
Image data.
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| CN113068040A (en) * | 2021-06-02 | 2021-07-02 | 苏州浪潮智能科技有限公司 | Image compression method and device, electronic equipment and readable storage medium |
| WO2022252488A1 (en) * | 2021-06-02 | 2022-12-08 | 苏州浪潮智能科技有限公司 | Image compression method and apparatus, electronic device, and readable storage medium |
| CN113591983A (en) * | 2021-07-30 | 2021-11-02 | 金地（集团）股份有限公司 | Image recognition method and device |
| CN113591983B (en) * | 2021-07-30 | 2024-03-19 | 金地（集团）股份有限公司 | Image recognition method and device |
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