Wavelet-based image decolorization and enhancement

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United States of America Patent

PATENT NO 9858495
SERIAL NO

14746852

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Abstract

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The present invention relates to image processing. More particularly, the present invention provides methods for efficient image decolorization and color image enhancement. The methods of the present invention comprise decolorization in frequency domain, adaptive brightness control for an enhanced grayscale image and color image enhancement. The present invention is able to improve sharpness and fine details in both enhanced grayscale and color images.

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Patent Owner(s)

Patent OwnerAddress
HONG KONG APPLIED SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE COMPANY LIMITED5/F PHOTONICS CENTRE 2 SCIENCE PARK EAST AVENUE HONG KONG SCIENCE PARK SHATIN N T HONG KONG KONG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lai, Cheung Ming Hong Kong, HK 1 1

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