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CN107835426A - A kind of compression of sequence chart and decompressing method - Google Patents

A kind of compression of sequence chart and decompressing method Download PDF

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Publication number
CN107835426A
CN107835426A CN201711132948.2A CN201711132948A CN107835426A CN 107835426 A CN107835426 A CN 107835426A CN 201711132948 A CN201711132948 A CN 201711132948A CN 107835426 A CN107835426 A CN 107835426A
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CN
China
Prior art keywords
model frame
data
frame
model
sequence chart
Prior art date
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Pending
Application number
CN201711132948.2A
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Chinese (zh)
Inventor
李玉光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN RENDERBUS TECHNOLOGY Co Ltd
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SHENZHEN RENDERBUS TECHNOLOGY Co Ltd
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Priority to CN201711132948.2A priority Critical patent/CN107835426A/en
Publication of CN107835426A publication Critical patent/CN107835426A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

The present invention discloses compression and the decompressing method of a kind of sequence chart, including:During compression, the data to model frame, the data different from model frame in each non-model frame, the associated data of each non-model frame are compressed;During decompression, model frame figure is generated after the data decompression of model frame, each non-model frame from model frame identical data, the respective data different with model frame, respective associated data in each comfortable model frame by generating figure.The present invention obtains the identical point between model frame and non-model frame and difference and associated, obtain associated data by choosing model frame in sequence chart and comparing.Due to have compressed the identical point with model frame in non-model frame less, compressed package can be to reduce, effectively save resource, convenient transmission.

Description

A kind of compression of sequence chart and decompressing method
Technical field
The present invention relates to compression and the decompressing method in Image Compression field, more particularly to a kind of sequence chart.
Background technology
Each second in video is all a sequence chart, contains some frames in each sequence chart.With video display animation Requirement more and more higher of the industry to picture quality, the size of each frame in sequence chart is also increasing, has had M up to a hundred, very Supreme G, therefore, the pressure of the transmission to sequence chart are increasing, traditional compress mode, are that each frame is treated as a file To compress, the front and rear similitude of sequence chart is not accounted for, causes the sequence map file after compression still very big.
Therefore, the prior art is defective, it is necessary to improve.
The content of the invention
The technical problem to be solved in the present invention is:Compression and the decompressing method of a kind of sequence chart are provided, after avoiding compression Sequence map file is excessive, reduces the transmission pressure of sequence chart.
Technical scheme is as follows:Compression and the decompressing method of a kind of sequence chart are provided, the sequence chart has n frames, Comprise the following steps:
S1:Example edition frame is chosen in sequence chart, all model frames are done with pixel traversal, obtains the data of model frame;
S2:Pixel traversal is done to each non-model frame in sequence chart, obtains the data of each non-model frame;
S3:The data of non-model frame are contrasted with model frame data, the data of each non-model frame are just divided into:With model Frame identical data, the data different from model frame, the data of model frame are divided into:With non-model frame identical data and non-sample The different data of plate frame, being associated simultaneously from model frame identical data, the data different with model frame in each non-model frame Obtain associated data;
S4:By the data different from model frame in the data of model frame, each non-model frame, the pass of each non-model frame Connection data are compressed;
S5:Data to model frame, the data different from model frame in each non-model frame, the pass of each non-model frame Connection data are decompressed, and model frame figure is generated after the data decompression of model frame, and each non-model frame passes through each comfortable model frame In from model frame identical data, the respective data different with model frame, respective associated data generation figure.
S6:Formation sequence figure after the model frame combines with all non-model frames.
In a sequence chart, the difference between frame and frame is little, and model frame obtains after being traveled through with non-model frame by pixel Take respective data and contrasted, non-model frame can be to be divided into identical point from model frame, the difference from model frame simultaneously Associated.The difference from model frame in model frame, non-model frame, associated data are compressed, during decompression, model frame is direct Decompression forms figure, and non-model frame passes through in its identical point from model frame in model frame, the difference from model frame, pass Join data and form figure.Due to have compressed the identical point with model frame in non-model frame less, compressed package can be to reduce, effectively Economize on resources, convenient transmission.
Further, in step sl, the model frame is m, and the span of the m is 0<m<Between n.Model frame Quantity it is fewer, the number of contrast is more, and the required time is longer, and model frame is more, and the number of contrast is fewer, is compressed after compression Bao Yue great.
Further, in step s3, the data of each non-model frame only contrast once, avoid the wasting of resources.
Further, the model frame is chosen using fixed interval.
Preferably, the fixation at intervals of 2.
Further, the selection of the model frame is that filtration treatment is done to whole sequence chart, chooses the frame for most having feature.
Further, the pixel data obtained after the pixel traversal includes:Corresponding to position data and the position data Color data on position.
Further, in the step S3, the data of non-model frame are done into contrast with model frame data is:In identical position Put contrast color.
Using such scheme, the present invention provides compression and the decompressing method of a kind of sequence chart, by being chosen in sequence chart Model frame, and model frame and non-model frame are contrasted, the identical point between model frame and non-model frame and difference are obtained, and Similarities and differences in non-model frame are associated, obtain associated data, during compression, only need to compress model frame, non-model The difference of frame, associated data;During decompression, non-model frame passes through its identical point from model frame in model frame, non-model The difference of frame, associated data form figure.Due to have compressed the identical point with model frame in non-model frame, compressed package less Can be to reduce, effectively save resource, convenient transmission.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Referring to Fig. 1, the present invention provides compression and the decompressing method of a kind of sequence chart, in a sequence chart, frame and frame Between difference it is little, model frame obtains respective data and contrasted, non-model after being traveled through with non-model frame by pixel Frame can be to be divided into the identical point from model frame, the difference from model frame and be associated.By in model frame, non-model frame Difference from model frame, associated data compression, during decompression, model frame directly decompression forms figure, and non-model frame passes through at it The identical point from model frame in model frame, the difference from model frame, associated data form figure.It is non-due to have compressed less The identical point with model frame in model frame, compressed package can be to reduce, effectively save resource, convenient transmission.
The sequence chart has n frames, and the compression and decompressing method comprise the following steps:
S1:Example edition frame is chosen in sequence chart, all model frames are done with pixel traversal, obtains the data of model frame.
In step sl, the model frame is m, and the span of the m is 0<m<Between n.The model frame uses Choose at fixed interval.The quantity of model frame is fewer, and the number of contrast is more, and the required time is longer, and model frame is more, contrast Number it is fewer, compressed package is bigger after compression.
The selection of the model frame is that filtration treatment is done to whole sequence chart, chooses the frame for most having feature.The pixel time The pixel data obtained after going through includes:Color data corresponding to position data and the position data on position.
S2:Pixel traversal is done to each non-model frame in sequence chart, obtains the data of each non-model frame.
S3:The data of non-model frame are contrasted with model frame data, the data of each non-model frame are just divided into:With model Frame identical data, the data different from model frame, the data of model frame are divided into:With non-model frame identical data and non-sample The different data of plate frame, being associated simultaneously from model frame identical data, the data different with model frame in each non-model frame Obtain associated data.
The data of non-model frame are done into contrast with model frame data is:In identical position versus color.In this step, The data of each non-model frame only contrast once, avoid the wasting of resources.
S4:By the data different from model frame in the data of model frame, each non-model frame, the pass of each non-model frame Connection data are compressed.
S5:Data to model frame, the data different from model frame in each non-model frame, the pass of each non-model frame Connection data are decompressed, and model frame figure is generated after the data decompression of model frame, and each non-model frame passes through each comfortable model frame In from model frame identical data, the respective data different with model frame, respective associated data generation figure.
S6:Formation sequence figure after the model frame combines with all non-model frames.
In summary, the present invention provides compression and the decompressing method of a kind of sequence chart, by choosing model in sequence chart Frame, and model frame and non-model frame are contrasted, the identical point between model frame and non-model frame and difference are obtained, and will be non- Similarities and differences in model frame associate, obtain associated data, during compression, need to only compress model frame, non-model frame Difference, associated data;During decompression, non-model frame passes through its identical point from model frame in model frame, non-model frame Difference, associated data form figure.Due to have compressed the identical point with model frame in non-model frame, compressed package less To reduce, effectively save resource, convenient transmission.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.

Claims (8)

1. compression and the decompressing method of a kind of sequence chart, the sequence chart have n frames, it is characterised in that comprise the following steps:
S1:Example edition frame is chosen in sequence chart, all model frames are done with pixel traversal, obtains the data of model frame;
S2:Pixel traversal is done to each non-model frame in sequence chart, obtains the data of each non-model frame;
S3:The data of non-model frame are contrasted with model frame data, the data of each non-model frame are just divided into:With model frame phase Data together, the data different from model frame, the data of model frame are divided into:With non-model frame identical data and non-model frame Different data, associating and obtaining from model frame identical data, the data different with model frame in each non-model frame Associated data;
S4:By the data different from model frame in the data of model frame, each non-model frame, the incidence number of each non-model frame According to being compressed;
S5:Data to model frame, the data different from model frame in each non-model frame, the incidence number of each non-model frame According to being decompressed, model frame figure is generated after the data decompression of model frame, each non-model frame passes through in each comfortable model frame From model frame identical data, the respective data different with model frame, respective associated data generation figure.
S6:Formation sequence figure after the model frame combines with all non-model frames.
2. compression and the decompressing method of a kind of sequence chart according to claim 1, it is characterised in that in step sl, institute Model frame is stated as m, the span of the m is 0<m<Between n.
3. compression and the decompressing method of a kind of sequence chart according to claim 1, it is characterised in that in step s3, often The data of individual non-model frame only contrast once.
4. compression and the decompressing method of a kind of sequence chart according to claim 1, it is characterised in that the model frame uses Choose at fixed interval.
5. compression and the decompressing method of a kind of sequence chart according to claim 4, it is characterised in that the interval of the fixation For 2.
6. compression and the decompressing method of a kind of sequence chart according to claim 1, it is characterised in that the choosing of the model frame It is that filtration treatment is done to whole sequence chart to take, and chooses the frame for most having feature.
7. compression and the decompressing method of a kind of sequence chart according to claim 1, it is characterised in that after the pixel traversal The data of acquisition include:Color data corresponding to position data and the position data on position.
8. compression and the decompressing method of a kind of sequence chart according to claim 1, it is characterised in that in the step S3, The data of non-model frame are done into contrast with model frame data is:In identical position versus color.
CN201711132948.2A 2017-11-15 2017-11-15 A kind of compression of sequence chart and decompressing method Pending CN107835426A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101352046A (en) * 2006-07-04 2009-01-21 三星电子株式会社 Image encoding/decoding method and device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101352046A (en) * 2006-07-04 2009-01-21 三星电子株式会社 Image encoding/decoding method and device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GARY J. SULLIVAN等: "Overview of the High Efficiency Video Coding (HEVC) Standard", 《IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY》 *
T. WIEGAND等: "Overview of the H.264 / AVC Video Coding Standard", 《IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY》 *

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Application publication date: 20180323