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Quickly processing method of keynote translation and reducing image noise

A processing method and image noise technology, which is applied in the field of image processing, can solve problems such as pixel differences, and achieve the effects of saving running time and cost, simplifying subsequent processing methods, and quickly processing images

Inactive Publication Date: 2007-07-18
ZHEJIANG UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a fast processing method for tone shifting and image noise reduction, which solves the problem of fast processing of tone consistency adjustment and noise reduction during image batch preprocessing and simultaneously preserves the relative difference between original pixels

Method used

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  • Quickly processing method of keynote translation and reducing image noise
  • Quickly processing method of keynote translation and reducing image noise
  • Quickly processing method of keynote translation and reducing image noise

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Embodiment Construction

[0027] 1. Extract the keynote vector of the main area of ​​the image

[0028] To extract the keynote vector of the main area, the main area must be judged first.

[0029] The determination of the main area is mainly to cut out the influence of the simple background through edge detection.

[0030] Edge detection uses the second-order operator Laplacian for Gaussian filtering, which is defined as follows:

[0031] - 1 - 1 - 1 - 1 8 - 1 - 1 - 1 - 1

[0032] Through statistics, the edge detection results ...

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Abstract

A method for quickly processing keynote translation and image noise includes picking up keynote vector of image master region, setting up stipulation function according to object keynote vector and stipulation intensity and obtaining new image by carrying out table look-up and deviation-replacement on original image pixel.

Description

technical field [0001] The invention relates to the field of image processing in computer graphics, in particular to a fast processing method for tone shifting and image noise reduction. Background technique [0002] With the development of computer image and computer vision technology, computer image processing technology is applied to more practical projects, so the requirements for the accuracy of image processing are getting higher and higher. At the same time, due to the great increase in the number of image processing in actual projects, the batch processing of images requires a faster speed. [0003] In image processing, both complexity and accuracy are affected by the tone and noise of the image. In the case of the standard tone, the steps of keynote extraction of the target image and shifting of the processed image to the target tone during image processing can be omitted. At the same time, in the case of the same keynote, the processing method can generally have ...

Claims

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Application Information

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IPC IPC(8): G06T5/00
Inventor 卜佳俊陈纯王栋宋明黎孙卓
Owner ZHEJIANG UNIV
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