CN101968955B - Image processing system and image processing method thereof - Google Patents
Image processing system and image processing method thereof Download PDFInfo
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- CN101968955B CN101968955B CN2009101088540A CN200910108854A CN101968955B CN 101968955 B CN101968955 B CN 101968955B CN 2009101088540 A CN2009101088540 A CN 2009101088540A CN 200910108854 A CN200910108854 A CN 200910108854A CN 101968955 B CN101968955 B CN 101968955B
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Abstract
The invention relates to an image processing system. The system comprises a receiving unit and an image processing unit, wherein the receiving unit is used for receiving a rectangular image; and the image processing unit is connected with the receiving unit for receiving the rectangular image transmitted by the receiving unit by using the short edge of the rectangular image as a row and each row as a unit. The invention also relates to an image processing method, which comprises the following steps: 1, receiving a rectangular image; and 2, receiving the rectangular image by using the short edge of the rectangular image as a row and each row as a unit. The technical scheme of the invention can reduce the size of volume required by a line buffer, and reduce the manufacture cost.
Description
Technical field
The present invention relates to image processing system, refer to a kind of image processing system and image processing method thereof that can reduce the line buffer size especially.
Background technology
In the traditional images detecting device; The received image of visual detector can be sent to (line buffer) in a plurality of line buffers line by line; Then; View data in the line buffer is sent to a graphics processing unit with the mode of block with view data again and carries out Flame Image Process to produce a drawing frame data, and graphics processing unit is sent to a display to show this image with drawing frame data afterwards.Please refer to Fig. 1, Fig. 1 is sent to the synoptic diagram in the line buffer for visual detector of the prior art with image.As shown in Figure 1; Visual detector is sent to received rectangular image 110 among 8 line buffer 120_1～120_8 line by line; Wherein because each line buffer 120_1～120_8 is used to store the pixel data of the delegation of rectangular image 110, so the storage volume of each line buffer 120_1～120_8 equals total data quantity of a plurality of pixels in the delegation of rectangular image 110.Yet the resolution of supporting along with visual detector increases gradually, and the popularizing of wide screen displays, and the pixel data of the delegation of rectangular image 110 is also more and more, therefore needs the bigger line buffer of capacity, and then causes the increase on the cost.
Summary of the invention
Therefore, one of the object of the invention is to provide a kind of image processing system and image processing method thereof that can reduce the line buffer size, to solve the above problems.
According to one of them embodiment of the present invention, a kind of image processing system is proposed.Said image processing system comprises a receiving element and a graphics processing unit, and wherein said graphics processing unit includes a plurality of line buffers.Said receiving element is used to receive a rectangular image; Said graphics processing unit is connected with said receiving element; And the minor face that is used for said rectangular image is a delegation; Receive the said rectangular image that said receiving element is transmitted with each behavior unit, the line buffer in wherein said first graphics processing unit is used to store the pixel data of the delegation of said rectangular image.
According to another embodiment of the present invention, a kind of image processing method is proposed.Said image processing method comprises: receive a rectangular image; And be delegation with the minor face of said rectangular image, receiving said rectangular image with each behavior unit, the pixel data of the delegation of wherein said rectangular image is stored in the line buffer.
According to image processing system of the present invention and image processing method, can reduce the required size of line buffer, and then reduce manufacturing cost.
Description of drawings
Fig. 1 is sent to the synoptic diagram in the line buffer for visual detector in the prior art with image.
Fig. 2 is the synoptic diagram of the image processing system of first embodiment of the invention.
Fig. 3 is sent to image for image detecting element the synoptic diagram of line buffer.
Fig. 4 is that second graphics processing unit is with the synoptic diagram of block combination with generation multirow pixel data.
Fig. 5 is the process flow diagram of image processing method of the present invention.
[primary clustering symbol description]
| 200 | Image processing system |
| 210 | Image detecting element |
| 220 | First graphics processing unit |
| 230 | Second graphics processing unit |
| 240 | Display |
Embodiment
Fig. 2 is the synoptic diagram of the image processing system 200 of first embodiment of the invention.As shown in Figure 2; Image processing system 200 comprises an image detecting element 210, one first graphics processing unit 220, one second graphics processing unit 230 and a display 240; Wherein first graphics processing unit 220 comprises a plurality of line buffers 222; 8 line buffers 222 for example, but the present invention is not limited to this.In realization; Image detecting element 210 can be photosensitive coupling component (Charge Coupled Device; CCD) or complementary matal-oxide semiconductor (Complementary Metal-Oxide Semiconductor; CMOS) visual detector, and second graphics processing unit 230 can use application program or driving circuit to realize.
Please refer to Fig. 2 and Fig. 3, Fig. 3 is sent to image for image detecting element 210 synoptic diagram of 8 line buffer 222_1～222_8.In the operation of image processing system 200, at first, image detecting element 210 detects and receives a rectangular image 310, and this rectangular image can comprise the 1280x720 pixel.Then; Minor face with rectangular image 310 is delegation (line); First graphics processing unit 220 with each behavior unit receive rectangular image 310, the first graphics processing units 220 that image detecting element 210 transmitted line by line (line-by-line) receive and receive rectangular image 310 according to certain order.In this embodiment; First graphics processing unit 220 receives rectangular image 310 line by line; By the time after the pixel data of the 1st～8 of rectangular image 310 the row is stored to line buffer 222_1～222_8 respectively; First graphics processing unit 220 is exported N data block 320_1～320_N to the second graphics processing unit 230 according to the 1st～8 row pixel data of rectangular image stored among line buffer 222_1～22,2_8 310; In the present embodiment, each line buffer 222_1～222_8 stores 720 pixels, and the size of each block is that (the rest may be inferred for the 8*8 pixel; 90 data block to the second graphics processing units of first graphics processing unit, 220 outputs); Afterwards, second graphics processing unit 230 receives block 320_1～320_N in regular turn, and block 320_1～320_N is made up to produce the 1st～8 row pixel data.
Please refer to Fig. 4, Fig. 4 is that second graphics processing unit 230 makes up block 320_1～320_N to produce the synoptic diagram of the 1st～8 row pixel data.That is to say,, make up and produce the 1st～8 row pixel information on the minor face according to data blocks 320_1～320_N corresponding position in rectangular image 310.Then; The pixel data of the 9th～16 row of image detecting element 210 transmission rectangular images 310 is to line buffer 222_1～222_8; First graphics processing unit 220 is exported N data block to the second graphics processing unit 230 according to the 9th～16 row pixel data of rectangular image stored among line buffer 222_1～22,2_8 310; Afterwards, second graphics processing unit 230 receives block in regular turn and according to method shown in Figure 4 block is made up to produce the 9th～16 row pixel information on the minor face.Afterwards, rectangular image 310 other row pixel datas are handled according to the processing mode of above-mentioned rectangular image 310 the 1st～8 row and the 9th～16 row.At last; After all block of rectangular image 310 all transfer to second graphics processing unit 230; Second graphics processing unit 230 producing a histogram block diagram picture (being rectangular image 310), and looks like to be sent to display 240 to be presented on the screen with this histogram block diagram according to above-mentioned all data blocks.
It should be noted that; Fig. 3 and embodiment shown in Figure 4 only are used for the example explanation; In other embodiments of the invention; First graphics processing unit 220 can receive the rectangular image 310 that image detecting element 210 is transmitted line by line from the right-hand beginning of rectangular image 310, and according to a certain order, with a behavior unit, receive the rectangular image 310 that image detecting element 210 is transmitted discontinuously, the variation in these designs all is under the jurisdiction of category of the present invention.
In addition, because image processing system of the present invention 200 is shown in image detecting element 210 received rectangle datas 310 on the display 240, therefore, it is in the image processing system of a wide screen displays that the present invention can be applied to work as display 240 especially.With a resolution is that the wide screen displays of 1280*720 is an example; If adopt the image processing system of prior art; Then each bar line buffer 120_1～120_8 need store 1280 pixel datas, and promptly the storage volume of each line buffer 120_1～120_8 will equal total data quantity of 1280 pixels; Yet; If adopt image processing system 200 of the present invention; Then each bar line buffer 222_1～222_8 only need store 720 pixel datas, and promptly the storage volume of each line buffer 222_1～222_8 only need design the total amount of data that equals 720 pixels and gets final product.Thus, line buffer needed big young pathbreaker significantly reduce, and therefore can reduce manufacturing cost.
It should be noted that above-mentioned to be shown in the narration on the display 240 that as far as the user of display 240, the long limit of rectangle data 310 is similar to a horizontal line, the then approximate perpendicular line of the minor face of rectangle data 310 relevant for rectangle data 310.
In addition; In other embodiments of the invention; First graphics processing unit 220 can receive from the rectangular image data in other image detecting element or the storage element line by line; In addition; Transmission medium between first graphics processing unit 220 and second graphics processing unit 230 can (Universal Serial Bus, USB) or any wired or wireless transmission medium that can transmit image data, the variation in these designs all be under the jurisdiction of category of the present invention for a grid line or a USB.
Please refer to Fig. 5, Fig. 5 is the process flow diagram of image processing method of the present invention, and its step briefly is summarized as follows:
Step 500: the minor face with a rectangular image is a delegation, receives this rectangular image line by line with a behavior unit.
Step 502: the multirow view data of this rectangular image is stored to a plurality of line buffers.
Step 504: pixel data stored in these a plurality of line buffers of foundation is to export a plurality of block.
Step 506: should a plurality of block make up to produce this multirow pixel data.
Concise and to the point conclusion image processing system of the present invention; In the present invention; First graphics processing unit is a delegation with the minor face of rectangular image; Receive the rectangular image that is transmitted from image detecting element line by line with a behavior unit, wherein the line buffer in first graphics processing unit is used to store the pixel data of the delegation of rectangular image.According to image processing system of the present invention, can reduce the required size of line buffer, and then reduce manufacturing cost.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the protection domain that the present invention is contained.
Claims (10)
1. image processing system comprises:
One receiving element is used to receive a rectangular image; And
One first graphics processing unit is connected with said receiving element, and the minor face that is used for said rectangular image is a delegation, receives at least a portion of the said rectangular image that said receiving element transmitted with each behavior unit;
Wherein said first graphics processing unit comprises a plurality of line buffers, and wherein each line buffer is used to store the pixel data of the delegation of said rectangular image.
2. image processing system according to claim 1 is characterized in that, at least a portion of the said rectangular image that wherein said first graphics processing unit receives said receiving element line by line and transmitted.
3. image processing system according to claim 1 is characterized in that, wherein said first graphics processing unit receives at least a portion of the said rectangular image that said receiving element transmits according to certain order.
4. image processing system according to claim 2 is characterized in that, each row of wherein said rectangular image has a plurality of pixels, and the storage volume of each line buffer equals total data quantity of said a plurality of pixels.
5. image processing system according to claim 3; It is characterized in that; Wherein said first graphics processing unit is exported a plurality of block according to the multirow pixel data of said rectangular image stored in said a plurality of line buffers, and said image processing system also comprises:
One second graphics processing unit is connected with said first graphics processing unit, is used for receiving successively said a plurality of block, and said a plurality of block are made up to produce said multirow pixel data.
6. image processing method comprises step:
S1, reception one rectangular image; And
S2, a plurality of line buffers being provided, is delegation with the minor face of said rectangular image, receives said rectangular image with each behavior unit, and wherein each line buffer is used to store the pixel data of the delegation of said rectangular image.
7. image processing method according to claim 6 is characterized in that step S2 comprises:
At least a portion of the said rectangular image that receives said receiving element line by line and transmitted.
8. image processing method according to claim 6 is characterized in that step S2 comprises:
Receive at least a portion of the said rectangular image that said receiving element transmits according to certain order.
9. image processing method according to claim 7 is characterized in that, each row of wherein said rectangular image has a plurality of pixels, and the storage volume of each line buffer equals total data quantity of said a plurality of pixels.
10. image processing method according to claim 8 is characterized in that, also comprises:
Export a plurality of block according to the multirow pixel data of said rectangular image stored in said a plurality of line buffers; And
Receive said a plurality of block successively, and said a plurality of block are made up to produce said multirow pixel data.
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| CN2009101088540A CN101968955B (en) | 2009-07-28 | 2009-07-28 | Image processing system and image processing method thereof |
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| CN101968955B true CN101968955B (en) | 2012-08-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115454A (en) * | 1994-07-08 | 1996-01-24 | 株式会社日立制作所 | Image processing device and system using the same |
| WO2001005144A1 (en) * | 1999-07-08 | 2001-01-18 | Matsushita Electric Industrial Co., Ltd. | Video display control method, video display processing system, video display processing device, screen display device |
| JP2003228364A (en) * | 2002-02-01 | 2003-08-15 | Shinnichi Electronics Kk | Image display device for pachinko game machine, its display method, and computer program therefor |
| JP2008109427A (en) * | 2006-10-26 | 2008-05-08 | Sony Corp | Image processing device |
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- 2009-07-28 CN CN2009101088540A patent/CN101968955B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115454A (en) * | 1994-07-08 | 1996-01-24 | 株式会社日立制作所 | Image processing device and system using the same |
| WO2001005144A1 (en) * | 1999-07-08 | 2001-01-18 | Matsushita Electric Industrial Co., Ltd. | Video display control method, video display processing system, video display processing device, screen display device |
| JP2003228364A (en) * | 2002-02-01 | 2003-08-15 | Shinnichi Electronics Kk | Image display device for pachinko game machine, its display method, and computer program therefor |
| JP2008109427A (en) * | 2006-10-26 | 2008-05-08 | Sony Corp | Image processing device |
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Address after: Chegongmiao Futian Tian'an Science and Technology Venture Park B901, B902 and B903, Futian District, Shenzhen City, Guangdong Province Co-patentee after: Silicon Motion, Inc. Patentee after: Huirong Technology (Shenzhen) Co.,Ltd. Address before: 518040 Guangdong, Shenzhen, Futian District, Che Kung Temple Futian Tian Tian science and Technology Pioneer Park B901, B902, B903 Co-patentee before: Silicon Motion, Inc. Patentee before: SILICON MOTION SHENZHEN Inc. |
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