CN1310430B - Image processing method to smooth the border of image area - Google Patents
Image processing method to smooth the border of image area Download PDFInfo
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- CN1310430B CN1310430B CN 00102289 CN00102289A CN1310430B CN 1310430 B CN1310430 B CN 1310430B CN 00102289 CN00102289 CN 00102289 CN 00102289 A CN00102289 A CN 00102289A CN 1310430 B CN1310430 B CN 1310430B
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Abstract
A image processing method of smoothing treatment for the boundary area of the image area periphery is a executed image processing method in the image processing system including a storage, storing program, image to be processed, processor and the executive stored program. The method is as to search out at least one image area with the predetermined character from the image according to detecting method of the predetermined image area, the position out the boundary area with the positioning method of predetermined boundary area, to adjust the picture element in each image area with the adjustment method of the predetermined color parameter, to make different but similar color parameter adjustment to the picture element in the boundary area of image area periphery with the predetermined smoothing method to make the color parameter adjustment of each image area.
Description
Technical field
The present invention relates to a kind of image processing method, and be particularly related to a kind of image processing method that can do smoothing processing to the borderline region of image-region periphery.
Background technology
Referring to Fig. 1 and Fig. 2, Fig. 1 is the calcspar of the image processing system 10 of prior art, and Fig. 2 is the synoptic diagram of the graph image 14 of Fig. 1 image processing system 10.Image processing system 10 includes a storer 12, is used for a stored programme and a pending graph image 14, and a processor 16 is used for the programs of being deposited in the execute store 12.Graph image 14 includes the pixel (pixel) 18 that a plurality of foundation one matrix formats are arranged, and each pixel 18 is made up of red (R), green (G) and blue (B) parameter, and graph image 14 contains an image-region 20.
The purpose of Flame Image Process is the feature that will highlight image-region 20, and will keep the hamony of image-region 20 and outer peripheral areas thereof.Image processing method is earlier each pixel basis one predetermined picture adjustment mode in the image-region 20 to be adjusted its redness (R), green (G), blue (B) parameter, adjusts the redness (R) of each pixel 18 of graph image 14, green (G) and blue (B) parameter according to low-pass filtering (Lowpass Filtering) or medium filtering modes such as (Median Filtering) again.
Because the scope of parameter adjustment has contained whole graph image 14, and one of purpose of Flame Image Process is to make the image-region 20 after the processing and the more harmony of image of outer peripheral areas thereof, whole graph image 14 is carried out the color parameter adjustment can sacrifice some not feature of the graph image in image-region 20 on the contrary.
Summary of the invention
Therefore, fundamental purpose of the present invention is to provide a kind of image processing method that can do smoothing processing to the borderline region of image-region periphery, to address the above problem.
According to an aspect of the present invention, a kind of image processing method of carrying out in image processing system is provided, this image processing system includes a storer and is used for a stored programme and a pending graph image, and one processor be used for carrying out the program of being deposited in this storer, this graph image includes a plurality of pixels (pixel), and this image processing method includes: find out at least one image-region with features of skin colors in this graph image; Along the zone in the peripheral fixed range in this border of peripheral selected distance, the border of each image-region is the borderline region of this image-region periphery; And the interior pixel of each image-region of adjusting this graph image according to a predetermined color parameter method of adjustment, and do different color parameter adjustment with the predetermined pixel of smooth manner in the borderline region of each image-region periphery, so that the color parameter adjustment in each image-region is able to this predetermined smooth manner the color parameter adjustment in each image-region is derived to the borderline region of each image-region periphery.
According to another aspect of the present invention, a kind of image processing method of carrying out in image processing system is provided, this image processing system includes a storer, be used for a stored programme and a pending graph image, an and processor, be used for carrying out the program of being deposited in this storer, this graph image includes a plurality of pixels, and this image processing method includes: find out at least one image-region with features of skin colors in this graph image; Adjust the interior pixel of each image-region of this graph image according to a predetermined color parameter method of adjustment; And the pixel that is positioned at each image-region periphery is done the color parameter adjustment different with this color parameter method of adjustment according to a predetermined smooth manner, so that the color parameter adjustment in each image-region is able to this smooth manner the color parameter adjustment in each image-region is derived to the borderline region of each image-region periphery.
The present invention can make the image-region after the processing and the more harmony of image of outer peripheral areas thereof, and the feature in image-region and peripheral pixel thereof can be carried out the color parameter adjustment that there is no need by complete reservation.
Description of drawings
Fig. 1 is the calcspar of the image processing system of prior art;
Fig. 2 is the synoptic diagram of the graph image of Fig. 1 image processing system;
Fig. 3 is the calcspar of image processing system of the present invention;
Fig. 4 is the synoptic diagram of the graph image of Fig. 3 image processing system;
Fig. 5 is used for the borderline region of image-region periphery is done the calcspar of the image processing method of smoothing processing for Fig. 3 image processing system;
Fig. 6 is the synoptic diagram of another graph image of Fig. 3 image processing system.
The symbol description of accompanying drawing
30 image processing systems, 32 storeies
34,50 graph images, 36 processors
40,52 image-regions, 42,57 borderline regions
Embodiment
Please referring to Fig. 3 and Fig. 4, Fig. 3 is the calcspar of image processing system 30 of the present invention, and Fig. 4 is the synoptic diagram of the graph image 34 of Fig. 3 image processing system 30.Image processing system 30 includes a storer 32, is used for a stored programme and a pending graph image 34, and a processor 36, is used for the programs of being deposited in the execute store 32.Graph image 34 includes a plurality of pixels 38, and each pixel 38 is made up of red (R), green (G), blue (B) parameter.
Please referring to Fig. 5, Fig. 5 is used for the borderline region of image-region periphery is done the calcspar of the image processing method of smoothing processing for image processing system 30.The step of image processing method includes:
1. find out at least one image-region 40 with predetermined characteristic according to a predetermined picture method for detecting area in graph image 34, it can be the image-region with features of skin colors;
2. be the borderline region 42 of image-region 40 peripheries along the zone in the peripheral fixed range in this border of peripheral selected distance, the border of image-region 40;
3. adjust the redness (R) of each pixel in the image-region 40, green (G) and blue (B) parameter according to a predetermined adjustment mode;
4. and with the predetermined pixel of smooth manner in the borderline region 42 of image-region 40 peripheries do different similar R, G, B parameter adjustments, so that R, G, B parameter adjustment in the image-region 40 are able to derive to the borderline region 42 of image-region 40 peripheries with this predetermined smooth manner.
Adjust the adjustment mode that the redness (R) of each pixel in the image-region 40, green (G) and blue (B) parameter or institute's desire are carried out, can or carry out before seeking image-region 40 and should set before the predetermined adjustment mode.
Please referring to Fig. 6, Fig. 6 is the synoptic diagram of another graph image 50 of image processing system 30.Suppose that image processing system 30 adjusts redness (R) parameter of the image-region 52 in the graph image 50, and will (can be with reference to Digital imageprocessing with medium filtering (Median Filtering), Rafael G.Gonzalez, Addison Wesley, p191-195) mode is to the redness (R) of the borderline region 54 of image-region 52 peripheries when parameter is done smoothing processing, then image processing system 30 can be found out (it includes pixel and three pixels that are positioned at borderline region 54 that are arranged in image-region 52) intermediate value of redness (R) parameter of four pixels at dotted line grid 56, and redness (R) parameter of this four pixel all replaced with this intermediate value, also can find out (it includes two pixel and two pixels that are positioned at borderline region 54 of being arranged in image-region 52) intermediate value of redness (R) parameter of four pixels at dotted line grid 58, and redness (R) parameter of this four pixel all replaced with this intermediate value, finish the smoothing processing of redness (R) parameter of the borderline region 54 of image-region 52 peripheries in this way.
(can be if image processing system 30 is desired with reference to Digital image processing with low-pass filtering (Lowpass Spatial Filtering), Rafael G.Gonzalez, Addison Wesley, p191-195) mode is to the redness (R) of the borderline region 54 of image-region 52 peripheries when parameter is done smoothing processing, and then redness (R) parameter of four pixels in dotted line grid 56 or 58 will replace with the mean value of redness (R) parameter of this four pixel.Yet no matter be to come redness (R) parameter of the borderline region 54 of image-region 52 peripheries is done smoothing processing in the mode of medium filtering or low-pass filtering, image processing system 30 all can not carry out the adjustment of redness (R) parameter at non-borderline region.
Image processing method also can image-region lack of standardization 40,52 peripheries borderline region, in the case, image processing method still can will should be derived to the periphery of image-region 40,52 by predetermined smooth manner, but graph image 34,50 is not done comprehensive adjustment.
Compare with the image processing method of prior art, the image processing method of image processing system 30 is after carrying out the adjustment of color parameter with the pixel in the image-region 40,52, only can do the color parameter adjustment to the pixel of the periphery of the borderline region 42,54 of image-region 40,52 peripheries or image-region 40,52, can not do the color parameter adjustment to each pixel 38 of graph image 34,50, therefore in the graph image 34,50 not the feature in image-region 40,52 and peripheral pixel thereof can be carried out the color parameter adjustment that there is no need by complete reservation.
The above only is the preferred embodiments of the present invention, and is all according to equivalence variation and modification that the present invention made, all should belong in the covering scope of claim of the present invention.
Claims (6)
1. image processing method of in image processing system, carrying out, this image processing system includes a storer and is used for a stored programme and a pending graph image, and one processor be used for carrying out the program of being deposited in this storer, this graph image includes a plurality of pixels, and this image processing method includes:
In this graph image, find out at least one image-region with features of skin colors;
Along the zone in the peripheral fixed range in this border of peripheral selected distance, the border of each image-region is the borderline region of this image-region periphery; And
Adjust the interior pixel of each image-region of this graph image according to a predetermined color parameter method of adjustment, and do different color parameter adjustment with the predetermined pixel of smooth manner in the borderline region of each image-region periphery, so that the color parameter adjustment in each image-region is able to this predetermined smooth manner the color parameter adjustment in each image-region is derived to the borderline region of each image-region periphery.
2. image processing method as claimed in claim 1, wherein each pixel packets contains redness (R), green (G) and blue (B) parameter, and this color parameter method of adjustment is used for adjusting the redness (R) of each pixel in each image-region, green (G) and blue (B) parameter according to a predetermined adjustment mode.
3. image processing method as claimed in claim 2, wherein the parameter that will adjust of this color parameter method of adjustment or the adjustment mode that will carry out can or be carried out before seeking this image-region and set before this color parameter is adjusted.
4. image processing method of in image processing system, carrying out, this image processing system includes a storer, be used for a stored programme and a pending graph image, an and processor, be used for carrying out the program of being deposited in this storer, this graph image includes a plurality of pixels, and this image processing method includes:
In this graph image, find out at least one image-region with features of skin colors;
Adjust the interior pixel of each image-region of this graph image according to a predetermined color parameter method of adjustment; And
According to a predetermined smooth manner pixel that is positioned at each image-region periphery is done the color parameter adjustment different with this color parameter method of adjustment, the color parameter adjustment in each image-region is derived to the borderline region of each image-region periphery so that the color parameter adjustment in each image-region is able to this smooth manner.
5. image processing method as claimed in claim 4, wherein each pixel packets contains redness (R), green (G) and blue (B) parameter, and this color parameter method of adjustment is used for adjusting the redness (R) of each pixel in each image-region, green (G) and blue (B) parameter according to a predetermined adjustment mode.
6. image processing method as claimed in claim 5, wherein the parameter that will adjust of this color parameter method of adjustment or the adjustment mode that will carry out can or be carried out before seeking this image-region and set before this color parameter is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00102289 CN1310430B (en) | 2000-02-22 | 2000-02-22 | Image processing method to smooth the border of image area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00102289 CN1310430B (en) | 2000-02-22 | 2000-02-22 | Image processing method to smooth the border of image area |
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| CN1310430A CN1310430A (en) | 2001-08-29 |
| CN1310430B true CN1310430B (en) | 2010-04-28 |
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| CN 00102289 Expired - Fee Related CN1310430B (en) | 2000-02-22 | 2000-02-22 | Image processing method to smooth the border of image area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7881556B2 (en) * | 2007-10-10 | 2011-02-01 | Himax Technologies Limited | Method of image processing and device thereof |
| CN101281437B (en) * | 2008-01-29 | 2011-04-06 | 埃派克森微电子(上海)有限公司 | Method for regulating optical indication device image quality controlling parameter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959680A (en) * | 1997-12-31 | 1999-09-28 | Telecruz Technology, Inc. | Method and apparatus for reducing flicker in the television display of network application data |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5959680A (en) * | 1997-12-31 | 1999-09-28 | Telecruz Technology, Inc. | Method and apparatus for reducing flicker in the television display of network application data |
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| CN1310430A (en) | 2001-08-29 |
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Granted publication date: 20100428 Termination date: 20120222 |