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Proceedings Paper

Image enhancement technique using color and edge features for mobile systems
Author(s): Won-Ho Cho; Tae-Chan Kim
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Paper Abstract

The paper provides a method of selectively controlling the strength of image noise reduction (NR) and sharpening in regions associated with specific colors that are visually impact on the human visual system. Since NR and sharpening operation can cause undesirable edge blurring or noise boosting in flat regions, the strength is adjusted according to the edge information. The proposed algorithm takes the following three stages: (i) color-based region classification, (ii) adaptive texture-based NR and sharpening, and (iii) H/W optimization for mobile image sensor compatibility. Experiments indicate that the proposed integrated algorithm platform provides significantly better results in terms of subjective visual quality.

Paper Details

Date Published: 24 January 2011
PDF: 6 pages
Proc. SPIE 7876, Digital Photography VII, 78760U (24 January 2011); doi: 10.1117/12.871973
Show Author Affiliations
Won-Ho Cho, SAMSUNG Electronics Co., Ltd. (Korea, Republic of)
Tae-Chan Kim, SAMSUNG Electronics Co., Ltd. (Korea, Republic of)

Published in SPIE Proceedings Vol. 7876:
Digital Photography VII
Francisco H. Imai; Feng Xiao, Editor(s)

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