Method for removing silk grains in silk scroll ancient painting images by means of various filter combination functions of PS (photo shop)

An image-based and silk-based technology, applied in image enhancement, image data processing, instruments, etc., can solve problems such as labor-intensive, image blurring, and image detail destruction, so as to save costs, avoid damage to image details, and reduce costs Effect

Active Publication Date: 2015-01-07
HANGZHOU WENSLI SILK CULTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first is to manually edit the version, which is very labor-intensive. The second is to use the blur filter function in PS to remove the silk grain. The disadvantage of this method is that while removing the silk grain, it destroys the image details and makes the image blurry. become blurred

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1. First enter PS, open the image file of the ancient painting to be processed, the typical resolution is 300DPI;

[0022] 2. Convert to LAB space;

[0023] 3. In the channel, duplicate the L layer, and name the new layer "silk base";

[0024] 4. Do Gaussian blur on the "silk bottom", the parameter is 4, remove black spots;

[0025] 5. Adjust the curve of the silk bottom to form a high-contrast silk bottom cover. You can use the "Minimum" filter to shrink the silk base by 4 pixels, which is good for preserving details;

[0026] 6. In the channel, duplicate the L layer, and name the new layer "Black Point";

[0027] 7. Use "High Pass" for the "Black Spot" layer with a parameter of 2. Do curve adjustment, eliminate middle gray, and highlight black spots;

[0028] 8. Use the silk bottom layer as a mask, fill all the non-silk bottom areas in the "black spot" layer with white, so that there are no black spots in it, and transfer to the black spot layer;

[0029] 9. In ...

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PUM

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Abstract

The invention relates to the field of the processing of computer graphic information, in particular to a method for removing silk grains in silk scroll ancient painting images by means of various filter combination functions of PS (photo shop). The invention relates to the method for removing the silk grains in the silk scroll ancient painting images by means of the various filter combination functions of PS. In a silk scroll ancient painting, the part without ink color is a silk bottom, and the part with the ink color is an ink bottom. The method is characterized in that: the silk scroll ancient painting is converted into an image electronic document, the silk bottom is separated from the ink bottom by means of PS software, and black spots which are displayed in a black spot matrix manner on the silk bottom are separated out and are removed. According to the method, the high cost of artificial retouching can be saved, the damage to the image details caused by simple blurring can be prevented, and the important effects of improving efficiency, reducing the cost and improving the quality on the research and copy of Chinese ancient paintings are achieved.

Description

technical field [0001] The invention relates to the field of computer image information processing, in particular to a method for removing silk grains in silk ancient painting images by using multiple filter combination functions of PS. Background technique [0002] Famous ancient Chinese paintings are an important cultural heritage of mankind. The protection, research, and exhibition of these ancient paintings are important topics for museums and other institutions around the world that own these ancient paintings. Using optical and computer technology to input these ancient paintings into the computer, and then use high-precision printers to reproduce these ancient paintings is one of the most important means of protecting, researching and exhibiting these ancient paintings. [0003] Among the famous paintings handed down from generation to generation in ancient China, a considerable part is the silk paintings painted on silk. Silk has its own warp and weft. Therefore, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00
Inventor 王国勇李建华文礼滕俊楷
Owner HANGZHOU WENSLI SILK CULTURE
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