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Patent Searching and Data


Title:
画像の輝度補正方法
Document Type and Number:
Japanese Patent JP4076302
Kind Code:
B2
Abstract:
A method for correcting lightness of an image includes the steps of: calculating a first scale and a second scale based on an image scale of an original image from image information of the original image; multiscale retinex processing the original image with respect to the first scale and the second scale; and synthesizing a result of the multiscale retinex processing with the image information of the original image.

Inventors:
Zhang small busy
Noboru Kubo
Hiroyuki Okuhata
Akimasa Niwa
Application Number:
JP24679299A
Publication Date:
April 16, 2008
Filing Date:
August 31, 1999
Export Citation:
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Assignee:
Sharp Corporation
Synthesis Co., Ltd.
International Classes:
G06T1/00; H04N5/20; G06T5/00; G06T5/50; H04N5/243; H04N7/18
Domestic Patent References:
JP5314255A
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Takeshi Oshio