Image analysis – Image enhancement or restoration
Reexamination Certificate
2006-09-29
2010-06-08
Ahmed, Samir A (Department: 2624)
Image analysis
Image enhancement or restoration
C382S299000, C382S274000
Reexamination Certificate
active
07734109
ABSTRACT:
A bit resolution-extension method is provided. The bit resolution-extension method includes acquiring the shortest distance from a central pixel to a positive contour and the shortest distance from the central pixel to a negative contour in a filtering region which scans the positive contour comprising large pixels of a fixed value and the negative contour comprising small pixels of a fixed value, based on a value of the central pixel, generating an extension bit of the central pixel by interpolating the shortest distance from the central pixel to the positive contour and the shortest distance from the central pixel to the negative contour, and adding the extension bit as a lower bit of the central pixel.
REFERENCES:
patent: 5787208 (1998-07-01), Oh et al.
patent: 09-051421 (1997-02-01), None
patent: 2002-057900 (2002-02-01), None
patent: 10-2004-0088518 (2004-10-01), None
patent: 10-2004-0094606 (2004-11-01), None
Baik Aron
Kim Chang-yeong
Lee Seong-deok
Lee Seung-sin
Ahmed Samir A
Samsung Electronics Co,. Ltd.
Sughrue & Mion, PLLC
Tsai Tsung-Yin
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