07783126 is referenced by 5 patents and cites 115 patents.

A visual processing device that achieves gradation processing and further enhances a visual effect. The visual processing device 1 performs gradation processing for each image region of an input signal IS, and includes an image partitioning portion 2, a gradation transformation curve derivation portion 10, and a gradation processing portion 5. The image partitioning portion 2 and the gradation transformation curve derivation portion 10 use a brightness histogram Hm of a wide area image region Em to create a gradation transformation curve Cm of an image region Pm. The gradation processing portion 5 performs gradation processing of the image region Pm based on the derived gradation transformation curve Cm.

Title
Visual processing device, visual processing method, visual processing program, and semiconductor device
Application Number
10/571120
Publication Number
7783126 (B2)
Application Date
September 10, 2004
Publication Date
August 24, 2010
Inventor
Toshiharu Kurosawa
Kanagawa
JP
Yasuhiro Kuwahara
Osaka
JP
Akio Kojima
Osaka
JP
Takeshi Ito
Osaka
JP
Yusuke Monobe
Kyoto
JP
Tatsumi Watanabe
Osaka
JP
Haruo Yamashita
Osaka
JP
Agent
Wenderoth Lind & Ponack L
Assignee
Panasonic Corporation
JP
IPC
G06K 9/00
G06K 9/40
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