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Automatic method for recovering blurred digital image caused by movement

A digital image and automatic restoration technology, which is applied in image enhancement, image data processing, instruments, etc., can solve problems such as blurred photos, and achieve the effect of automatic restoration and simple restoration methods

Inactive Publication Date: 2006-02-01
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Blurred photos can occur with both digital cameras and older film cameras

Method used

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  • Automatic method for recovering blurred digital image caused by movement
  • Automatic method for recovering blurred digital image caused by movement

Examples

Experimental program
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Embodiment Construction

[0028] The present invention adopts a computer restoration method for the blurring phenomenon of digital photos, preprograms the computer according to the task of image restoration to be performed by the computer, and stores the program in the computer program memory. The computer selects a computer with a memory greater than or equal to 128M.

[0029] The preprogrammed procedure includes the following steps:

[0030] Read in digital photos;

[0031] analyze digital photographs;

[0032] Find ten brighter points and ten darker points in the digital photo as pixels;

[0033] Scan horizontally and vertically around ten brighter pixels and ten darker pixels in the digital photo;

[0034] Determine the area of ​​the gray value gradient around the 20 pixels;

[0035] Determine the offset of each pixel according to the gray value gradient area around the 20 pixels;

[0036] Find 5 pixels with the same offset value in the offset of these 20 pixels;

[0037] Determine the rotati...

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Abstract

An automatic restoring method of motion fuzzy digital image includes reading in image file and scanning full amplitude of it, confirming picture element with the most sharp character and scanning periphery of said picture element horizontally and longitudinally to confirm its grey scale graded area and comparing it , calculating rotation angle and moving distance of these picture elements, carrying out weighted average accumulation of picture element grade for picture element, generating restored image by rotating and moving picture element according to result of weighted average accumulation.

Description

technical field [0001] The invention belongs to the field of computer application technology, and relates to an image processing method, in particular to an automatic restoration method of motion blurred digital images. technical background [0002] Both digital cameras and older film cameras suffer from blurry photos. Since digital cameras are replacing old-fashioned film cameras, the restoration technology of digital photos is gradually attracting people's attention. [0003] For the blurring of digital photos, the commonly used method is to roughly determine the moving direction and number of moving pixels of the pixels on the digital photos through the observation of digital photos by human eyes, and repeatedly move the pixels left and right in the moving direction until people think Its clarity is the best so far. Contents of the invention [0004] The present invention adopts the computer automatic recovery method, promptly utilizes the computer to automatically re...

Claims

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Application Information

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IPC IPC(8): G06T5/00
Inventor 张云峰韩广良
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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