Method of multi-frame image noise reduction

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United States of America Patent

PATENT NO 8953903
SERIAL NO

13205638

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Abstract

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A method of multi-frame image noise reduction suitable for an image-capturing device includes following steps: obtaining a current frame and multiple reference frames; defining a mask and a target point in the mask; judging whether the target point pixel of the current frame is on an edge according to an edge map of the frame; when the pixel is on the edge, using the pixels in the reference frames on the edge to calculate a replacement result; when the target point pixel is not on the edge, using the pixels in the reference frames surrounding the target point to calculate a replacement result; after that, generating a pixel corresponding to the position of the target point in an output image according to the replacement result; further, moving the mask and going back to judge whether the pixel of the target point of the current frame is on the edge.

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Patent Owner(s)

  • ALTEK CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Peng, Shih-Yuan New Taipei, TW 23 123
Wu, Chung-Ta Taichung, TW 23 108

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