Dynamic range compression of high dynamic range imagery

Details Dynamic range compression of high dynamic range imagery Dynamic range compression of high dynamic range imagery

2006-11-14

2010-10-05

Patel, Kanji (Department: 2624)

Image analysis

Image compression or coding

C382S279000, C358S001200

Reexamination Certificate

active

07809200

ABSTRACT:
An improved apparatus and method adaptively compresses the dynamic range of an image from a sensor by rescaling the value of every pixel to fit within the dynamic range of a low dynamic range display while preserving local image contrast and global scene appearance.

REFERENCES:
patent: 5880777 (1999-03-01), Savoye et al.
patent: 6489992 (2002-12-01), Savoye
patent: 7206459 (2007-04-01), Berkner et al.
patent: 7433514 (2008-10-01), Sloan

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