CN101998125B - Image document transmission system and method - Google Patents
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- CN101998125B CN101998125B CN 200910168567 CN200910168567A CN101998125B CN 101998125 B CN101998125 B CN 101998125B CN 200910168567 CN200910168567 CN 200910168567 CN 200910168567 A CN200910168567 A CN 200910168567A CN 101998125 B CN101998125 B CN 101998125B
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Abstract
The invention relates to an image document transmission system and method, which is used for transmitting an independent image document from a transmitting end to a receiving end. The method comprises the following steps: firstly, providing a first block set at the transmitting end; when an independent image document needs to be transmitted, dividing the independent image document into multiple blocks at the transmitting end, comparing the blocks with the first block set, and accordingly producing the relativity parameter of each one of the multiple blocks; secondly, judging whether the relativity parameter of each one of the multiple blocks is not less than the relativity threshold value, and removing the corresponding blocks if yes; subsequently, producing recombination information recording the connection relationship of the multiple blocks; then, transmitting the multiple blocks and the recombination information to the receiving end; and finally, recombining the multiple blocks into the independent image document based on the recombination information and a second block set.
Description
Technical field
The present invention relates to the document transmission technology, particularly a kind of image document transmission system and method thereof of saving frequency range.
Background technology
When photo being sent to long-range friend and sharing, usually the content of photo all can have correlation, such as image theme, background (desk of mountain, sky, river, placement theme object), the luminosity of scene, the place of scene, the same stroke of going on a tour, or the certain physical characteristics of the camera lens of camera own.As shown in Figure 1, the photo that existing picture transmission is first sent tendency to develop mostly compresses processing, then is sent to receiving terminal via network, and receiving terminal carries out decompression after receiving again, completes thus sharing of photo.Yet above-mentioned shares in process, every photo can be all independently when transmission, even two photo fundamental content are all the same, is also to pass after can again compressing again, and without any the characteristic of recycling (reuse), can say.
Summary of the invention
For improving the disappearance of prior art, the present invention proposes a kind of image document transmission system and method thereof of saving frequency range at this, can be compressed by mode of the present invention sharing an image document in data folder when long-range, just can be recycled preferably the correlation of photo content.
The object of the present invention is to provide a kind of image document transmission system and method thereof, can be according to the existing view data content of receiving terminal as substrate, remove the high correlation block of the defeated image document of tendency to develop, according to the recycling of picture material correlation, reduce the required frequency range of transmission.
Another object of the present invention is to provide a kind of image document transmission system and method thereof, for a plurality of documents of the independent image without sequential relationship, according to the high block of correlation in each block of removing image document, reduce thus the required frequency range of transmission.
According to another object of the present invention, a kind of image document transmission method is provided, in order to the independent image document is sent to receiving terminal by transmission end, it comprises the following step: at first, the first block set is provided in transmission end, and provide the Second Region set of blocks at described receiving terminal, then cutting apart the independent image document in transmission end becomes a plurality of blocks.Then, compare a plurality of blocks and the first block set in transmission end, and produce accordingly the relevance parameter of each block in a plurality of blocks.Next, judge whether the relevance parameter of each block in a plurality of blocks is not less than the correlation threshold value, if remove corresponding block.Then, produce the shuffling information that records a plurality of block connection relationship.Then, transmit a plurality of blocks and shuffling information to receiving terminal, and receiving terminal has the Second Region set of blocks, and the first block set and Second Region set of blocks has identical block data.Next, according to shuffling information and Second Region set of blocks, by a plurality of block restructuring.
Wherein, above-mentioned independent image document is preferably condensed document.
Wherein, in order to keep the consistency of the first block set and Second Region set of blocks, transmission end and receiving terminal can be less than relevance parameter the block of correlation threshold value, deposit in respectively in the first block set and Second Region set of blocks, transmission end and receiving terminal constantly carry out Data Update, image block data recycle rate when improving follow-up use.
According to another object of the present invention, a kind of image document transmission method is provided, in order to a plurality of independent image documents are sent to receiving terminal by transmission end, it comprises the following step.At first, in transmission end, a plurality of independent image document segmentations are become to a plurality of blocks.Then, in described transmission end, compare a plurality of blocks, and produce accordingly the relevance parameter of each block in a plurality of blocks.Next, judge in described transmission end whether the relevance parameter of each block in a plurality of blocks is not less than the correlation threshold value, if remove corresponding block.Then, produce in described transmission end the shuffling information that records a plurality of block connection relationship.Then, transmit a plurality of blocks and shuffling information to receiving terminal.According to shuffling information, a plurality of blocks are reassembled as to a plurality of independent image documents at described receiving terminal.
Wherein, aforesaid a plurality of independent image documents can be condensed document, and a plurality of independent image document does not need to have sequential relationship each other.
Another purpose according to the present invention, propose a kind of image document transmission system, comprises transmission end and receiving terminal.Transmission end comprises the first database, the first image processing module, comparing module, processing module and delivery module.The first database can be in order to store the first block set and correlation threshold value.The first image processing module can be in order to be a plurality of blocks by the independent image document segmentation, and wherein, the independent image document can be condensed document.Comparing module can be in order to compare a plurality of blocks and the first block set, and can produce accordingly the relevance parameter of each block.Processing module can be removed the block that relevance parameter is not less than the correlation threshold value in a plurality of blocks, and produces accordingly the shuffling information of the connection relationship that records a plurality of blocks.Delivery module can be in order to transmit a plurality of blocks and shuffling information.Receiving terminal comprises the second database, receiver module and the second image processing module.The second database can be in order to store the Second Region set of blocks, and the first block set and Second Region set of blocks have identical block data.Receiver module can be in order to receive a plurality of blocks and shuffling information.The second image processing module can, according to shuffling information and Second Region set of blocks, be reassembled as the independent image document by a plurality of blocks.
Wherein, in order to keep the consistency of the first block set and Second Region set of blocks, transmission end and receiving terminal can be less than relevance parameter the block of correlation threshold value, deposit in respectively in the first block set and Second Region set of blocks, transmission end and receiving terminal constantly carry out Data Update, image block data recycle rate when improving follow-up use.
In addition, the present invention also proposes a kind of image document transmission system, comprises transmission end and receiving terminal.Transmission end comprises the first database, the first image processing module, comparing module, processing module and delivery module.The first database can be in order to store the correlation threshold value.The first image processing module can be in order to be a plurality of blocks by a plurality of independent image document segmentations, and wherein, a plurality of independent image documents can be condensed document, and a plurality of image document does not need to have sequential relationship each other.Comparing module can be in order to compare a plurality of blocks, and can produce according to this relevance parameter of each block.Processing module can be removed the block that relevance parameter is not less than the correlation threshold value in a plurality of blocks, and produces accordingly the shuffling information of the connection relationship that records a plurality of blocks.Delivery module can be in order to transmit a plurality of blocks and shuffling information.Receiving terminal comprises receiver module and the second image processing module.Receiver module can be in order to receive a plurality of blocks and shuffling information.The second image processing module can, according to shuffling information, be reassembled as a plurality of independent image documents by a plurality of blocks.
From the above, according to image document transmission system of the present invention and method thereof, it can have one or more following advantages:
(1) safeguard separately a identical block collective data in transmission end with receiving terminal, when transmitting image document, the block after cutting apart and block collective data are compared, only must transmit the part block that correlation is low, save accordingly transmitting bandwidth.
(2) while transmitting a plurality of image document, a plurality of blocks after cutting apart are compared, only by correlation, low part block is transmitted, and reduces accordingly the required frequency range of transmission.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is conventional images document transmission framework;
The flow chart that Fig. 2 is image document transmission method of the present invention;
The flow chart that Fig. 3 is image document transmission method of the present invention; And
The schematic diagram that Fig. 4 is image document transmission system of the present invention.
Main symbol description: S200-S270, S310-S370 are step; 41 is transmission end; 411 is the first database; 4111 is the first block set; 4112 is the correlation threshold value; 412 is the first image processing module; 413 is comparing module; 414 is processing module; 415 is delivery module; 42 is receiving terminal; 421 is the second database; 4211 is the Second Region set of blocks; 422 is receiver module; And 423 be the second image processing module.
Embodiment
Image document transmission system of the present invention and method thereof, applicablely by transmission end, image document is sent to receiving terminal, under a kind of application aspect of this sample, transmission end can be made active data according to the existing block data of receiving terminal and apply, according to omitting the existing block data in transmission end, reduce the transmission quantity of data.A identical block collective data (being called the first block set and Second Region set of blocks) is safeguarded separately with receiving terminal in transmission end.When carrying out the image document transmission, the block data of image document and the first block set are compared in transmission end, and low block data is sent to receiving terminal by correlation, wherein, the visual practical application of the correlation of block and different definition is arranged, can be used for attribute of differentiating block data etc. such as: the colour of block, brightness value or other, and the height of correlation (correlation threshold value) also visual practical application carry out different definition.Then, after receiving terminal receives the block data that correlation is low, then, according to the Second Region set of blocks, block data is reassembled as to image document.This execution mode is applicable to one or more independent image documents are transferred to receiving terminal by transmission end, and these independent image documents do not need to have sequential relationship each other.Below will, according to Fig. 2 and Fig. 4, further describe the method and system of above-mentioned execution mode.
With reference to Fig. 2, its flow chart that is image document transmission method of the present invention.In figure, the method comprises the following step.In step S200, the first block set is provided in transmission end, and provides the Second Region set of blocks at receiving terminal.Wherein, the first block set and Second Region set of blocks are preferably and have identical block data.Then, in step S210, in transmission end, the independent image document segmentation is become to a plurality of blocks.Wherein, the independent image document can be condensed document, for example the document of JPEG compressed format.In step S220, compare each block and the first block set in transmission end, and can produce accordingly the relevance parameter of each block.In step S230, judge in transmission end whether the relevance parameter of each block is not less than the correlation threshold value, if, carry out step S240, corresponding block is removed.Then, carry out step S250, produce the shuffling information that records a plurality of block connection relationship in transmission end.In step S260, transmit a plurality of blocks and shuffling information to receiving terminal, and receiving terminal has the Second Region set of blocks, and the first block set and Second Region set of blocks has identical block data.In step S270, at receiving terminal, according to shuffling information and Second Region set of blocks, a plurality of blocks are reassembled as to the independent image document.
With reference to figure 4, its schematic diagram that is image document transmission system of the present invention.In figure, image document transmission system can comprise transmission end 41 and receiving terminal 42.Transmission end 41 can comprise the first database 411, the first image processing module 412, comparing module 413, processing module 414 and delivery module 415.The first database 411 can be in order to store the first block set 4111 and correlation threshold value 4112.The first image processing module 412 can be in order to be a plurality of blocks by the independent image document segmentation, and wherein, the independent image document can be condensed document.Comparing module 413 can be in order to compare a plurality of blocks and the first block set 4111, and can produce accordingly the relevance parameter of each block.Processing module 414 can be removed the block that relevance parameter is not less than correlation threshold value 4112 in a plurality of blocks, and produces accordingly the shuffling information of the connection relationship that records a plurality of blocks.Delivery module 415 can be in order to transmit a plurality of blocks and shuffling information.Receiving terminal 42 comprises the second database 421, receiver module 422 and the second image processing module 423.The second database 421 can be in order to store Second Region set of blocks 4211, and the first block set 4111 and Second Region set of blocks 4211 have identical block data.Receiver module 422 can be in order to receive a plurality of blocks and shuffling information.The second image processing module 423 can, according to shuffling information and Second Region set of blocks 4211, be reassembled as the independent image document by a plurality of blocks.
Wherein, in order to keep the consistency of the first block set 4111 and Second Region set of blocks 4211, transmission end 41 and receiving terminal 42 can be less than relevance parameter the block of correlation threshold value 4112, deposit in respectively in the first block set 4111 and Second Region set of blocks 4211, transmission end 41 and receiving terminal 42 constantly carry out Data Update, image block data recycle rate when improving follow-up use.
Wherein, transmit a plurality of blocks and shuffling information to before receiving terminal 42, each block is compressed respectively to processing, and each compression processing mode is sent to receiving terminal 42, receiving terminal 42, according to each compression processing mode, carries out respectively decompression by each block of correspondence.
And in the step of block comparison (or comparing module 413), can judge according to the brightness histogram (histogram) of a plurality of blocks the relevance parameter of block, and, according to mean flow rate (mean), luminance standard poor (variant) or the brightness variance (variance) of each block, with the brightness histogram to block, carry out quick indexing.
Except above-mentioned application implementation mode, image document transmission system of the present invention and method thereof, also applicablely be sent to receiving terminal by transmission end by a plurality of image documents.The maximum difference of this application implementation mode and aforementioned applications execution mode is, in present embodiment, transmission end does not need to safeguard separately a identical block collective data with receiving terminal.And when carrying out the image document transmission, compare the block data of a plurality of image documents mutually in transmission end, and high block data removal (that is to say in a plurality of block datas after cutting apart by correlation, the block that similitude is high only must transmit portion, can reduce thus volume of transmitted data), and the block data after removing is sent to receiving terminal, wherein, the visual practical application of the correlation of block and the definition of difference is arranged, for example: the colour of block, brightness value or other can be used for attribute of differentiating block data etc., and the height of correlation (correlation threshold value) also visual practical application carries out different definition.Then, after receiving terminal receives block data, block data can be reassembled as to image document.Present embodiment is applicable to by a plurality of image documents or the transmission of image document data folder, and a plurality of image documents that are transmitted do not need to have sequential relationship each other.Below, will, according to Fig. 3 and Fig. 4, further describe above-mentioned method and system.
With reference to figure 3, its flow chart that is image document transmission method of the present invention.In figure, comprise the following step: in step S310, in transmission end, a plurality of independent image document segmentations are become to a plurality of blocks.Wherein, a plurality of independent image documents are preferably condensed document, and a plurality of independent image document does not need to have sequential relationship each other.In step S320, compare a plurality of blocks in transmission end, and can produce accordingly the relevance parameter of each block.In step S330, judge in transmission end whether the relevance parameter of each block is not less than the correlation threshold value, if, carry out step S340, corresponding block is removed.Then, carry out step S350, produce the shuffling information that records a plurality of block connection relationship in transmission end.In step S360, transmit a plurality of blocks and shuffling information to receiving terminal.In step S370, at receiving terminal, according to shuffling information, a plurality of blocks are reassembled as to a plurality of independent image documents.
With reference to figure 4, its schematic diagram that is image document transmission system of the present invention.In figure, image document transmission system can comprise transmission end 41 and receiving terminal 42.Transmission end 41 can comprise the first database 411, the first image processing module 412, comparing module 413, processing module 414 and delivery module 415.The first database 411 can be in order to store correlation threshold value 4112.The first image processing module 412 can be in order to be a plurality of blocks by a plurality of independent image document segmentations, and wherein, a plurality of independent image documents can be condensed document, and a plurality of independent image document does not need to have sequential relationship each other.Comparing module 413 can be in order to compare a plurality of blocks, and can produce accordingly the relevance parameter of each block.Processing module 414 can be removed the block that relevance parameter is not less than correlation threshold value 4112 in a plurality of blocks, and produces accordingly the shuffling information of the connection relationship that records a plurality of blocks.Delivery module 415 can be in order to transmit a plurality of blocks and shuffling information.Receiving terminal 42 comprises receiver module 422 and the second image processing module 423.Receiver module 422 can be in order to receive a plurality of blocks and shuffling information.The second image processing module 423 can, according to shuffling information, be reassembled as a plurality of independent image documents by a plurality of blocks.
Wherein, transmit a plurality of blocks and shuffling information to before receiving terminal 42, each block is compressed respectively to processing, and each compression processing mode is sent to receiving terminal 42, receiving terminal 42, according to each compression processing mode, carries out respectively decompression by each block of correspondence.
And in the step of block comparison (or comparing module 413), can be according to the brightness histogram (histogram) of a plurality of blocks the relevance parameter with the judgement block, and, according to mean flow rate (mean), luminance standard poor (variant) or the brightness variance (variance) of each block, with the brightness histogram to block, carry out quick indexing.
The foregoing is only illustrative, rather than restrictive.Anyly do not break away from spirit of the present invention and category, and the equivalent modifications that it is carried out or change, within all should being contained in claim scope of the present invention.
Claims (14)
1. an image document transmission method, in order to image document is sent to receiving terminal by transmission end, is characterized in that described image document transmission method comprises the following step:
The first block set is provided in described transmission end, and provides the Second Region set of blocks at described receiving terminal;
In described transmission end, image document is divided into to a plurality of blocks;
Compare described a plurality of blocks and described the first block set in described transmission end, and produce accordingly the relevance parameter of each block in described a plurality of block;
Whether the described relevance parameter that judges each block in described a plurality of block in described transmission end is more than or equal to the correlation threshold value, if remove corresponding block;
Produce shuffling information in described transmission end, described shuffling information records the connection relationship of described a plurality of blocks;
Transmit described a plurality of block and described shuffling information to described receiving terminal; And
At described receiving terminal, according to described shuffling information and described Second Region set of blocks, described a plurality of blocks are recombinated.
2. image document transmission method according to claim 1, is characterized in that the image document of described image document for having compressed.
3. image document transmission method according to claim 1 is characterized in that also comprising the following step:
Respectively described relevance parameter is less than to the block of described correlation threshold value in described transmission end and described receiving terminal, deposits in described the first block set and described Second Region set of blocks.
4. image document transmission method according to claim 1 is characterized in that transmitting described a plurality of block and described shuffling information to also comprising the following step before described receiving terminal:
Each block in described a plurality of blocks is compressed respectively to processing, and each described compression processing mode is sent to described receiving terminal, described receiving terminal, according to each described compression processing mode, carries out respectively decompression by each block in described a plurality of blocks of correspondence.
5. an image document transmission method, in order to a plurality of image documents are sent to receiving terminal by transmission end, is characterized in that being that described image document transmission method comprises the following step:
In described transmission end, described a plurality of image documents are divided into to a plurality of blocks;
Compare mutually described a plurality of blocks in described transmission end, and produce accordingly the relevance parameter of each block in described a plurality of block;
Whether the relevance parameter that judges each block in described a plurality of block in described transmission end is more than or equal to the correlation threshold value, if, only stay the block that a relevance parameter is more than or equal to the correlation threshold value, and remove all the other blocks that relevance parameter is more than or equal to the correlation threshold value;
Produce shuffling information in described transmission end, the connection relationship of described a plurality of blocks that described shuffling information record stays;
Described a plurality of blocks that transmission stays and described shuffling information are to described receiving terminal; And
According to described shuffling information, the described a plurality of blocks that stay are reassembled as to described a plurality of image document at described receiving terminal.
6. image document transmission method according to claim 5, is characterized in that the image document of described a plurality of image document for having compressed.
7. image document transmission method according to claim 5 is characterized in that transmitting described a plurality of block and described shuffling information to also comprising the following step before described receiving terminal:
Each block in described a plurality of blocks is compressed respectively to processing, and each described compression processing mode is sent to described receiving terminal, described receiving terminal, according to each described compression processing mode, carries out respectively decompression by each described a plurality of block of correspondence.
8. an image document transmission system is characterized in that comprising:
Transmission end, it comprises:
The first database, it is in order to store the first block set and correlation threshold value;
The first image processing module, it is in order to be divided into image document a plurality of blocks;
Comparing module, it is in order to compare described a plurality of block and described the first block set, and produces accordingly the relevance parameter of each block in described a plurality of block;
Processing module, it removes described relevance parameter and is more than or equal to the block of described correlation threshold value in described a plurality of blocks, and produces accordingly shuffling information, and described shuffling information records the connection relationship of described a plurality of blocks; And
Delivery module, it is in order to transmit described a plurality of block and described shuffling information; And
Receiving terminal, it comprises:
The second database, it is in order to store the Second Region set of blocks, and described the first block set and described Second Region set of blocks have identical block data;
Receiver module, it is in order to receive described a plurality of block and described shuffling information; And
The second image processing module, it,, according to described shuffling information and described Second Region set of blocks, is reassembled as described image document by described a plurality of blocks.
9. image document transmission system according to claim 8, is characterized in that the image document of described image document for having compressed.
10. image document transmission system according to claim 8, it is characterized in that described transmission end and described receiving terminal are less than described relevance parameter the block of described correlation threshold value, deposit in respectively in described the first block set and described Second Region set of blocks.
11. image document transmission system according to claim 8, before it is characterized in that described delivery module transmits described a plurality of blocks, each block in described a plurality of blocks is compressed respectively to processing, and transmit each described compression processing mode, described receiver module receives each described compression processing mode, and accordingly each block in described a plurality of blocks of correspondence is carried out respectively to decompression.
12. an image document transmission system, in order to a plurality of image documents are sent to receiving terminal by transmission end, is characterized in that comprising:
Transmission end, it comprises:
The first database, it is in order to store the correlation threshold value;
The first image processing module, it is in order to be divided into a plurality of blocks by a plurality of image documents;
Comparing module, it is in order to the described a plurality of blocks of mutual comparison, and produces accordingly the relevance parameter of each block in described a plurality of block;
Processing module, it only stays the block that a relevance parameter is more than or equal to the correlation threshold value in described a plurality of blocks, and the removal relevance parameter is more than or equal to all the other blocks of correlation threshold value, and produce accordingly shuffling information, wherein, described shuffling information records the connection relationship of described a plurality of blocks; And
Delivery module, described a plurality of blocks that it stays in order to transmission and described shuffling information; And
Receiving terminal, it comprises:
Receiver module, described a plurality of blocks that it stays in order to reception and described shuffling information; And
The second image processing module, it is reassembled as described a plurality of image document according to described shuffling information by the described a plurality of blocks that stay.
13. image document transmission system according to claim 12, is characterized in that the image document of described a plurality of image document for having compressed.
14. image document transmission system according to claim 12, is characterized in that described a plurality of image document is to each other without sequential relationship.
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| CN1784008A (en) * | 2004-12-02 | 2006-06-07 | 北京凯诚高清电子技术有限公司 | Encoding method and decoding method for high sharpness video super strong compression |
| CN1913632A (en) * | 2005-08-11 | 2007-02-14 | 株式会社东芝 | Motion picture encoding method and device |
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| US6031937A (en) * | 1994-05-19 | 2000-02-29 | Next Software, Inc. | Method and apparatus for video compression using block and wavelet techniques |
| US5883923A (en) * | 1995-09-18 | 1999-03-16 | Oki Electric Industry Co., Ltd. | Data receiver with symbol rate discrimination and statistical analysis functions |
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| CN1784008A (en) * | 2004-12-02 | 2006-06-07 | 北京凯诚高清电子技术有限公司 | Encoding method and decoding method for high sharpness video super strong compression |
| CN1913632A (en) * | 2005-08-11 | 2007-02-14 | 株式会社东芝 | Motion picture encoding method and device |
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