Apparatus and method of estimating scale ratio and noise strength of encoded image

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United States of America Patent

PATENT NO 8320700
APP PUB NO 20110243466A1
SERIAL NO

12840630

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Abstract

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An apparatus and method for estimating scale ratio and noise strength of an encoded image includes an edge detection unit, a projection histogram calculation unit, a distance histogram calculation unit, a scale ratio estimation unit, a block boundary determination unit, and a noise strength estimation unit. Compressed noise, such as a block effect, included in an image can be efficiently reduced without prior information about the image.

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Patent Owner(s)

  • CHUNG-ANG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION;CHUN-ANG UNIVERSITY INDUSTRY—ACADEMY COOPERATION FOUNDATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Sangkeun Seoul, KR 35 475

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