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Patent Searching and Data


Title:
VIDEO PROCESSING DEVICE AND VIDEO PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2006/054427
Kind Code:
A1
Abstract:
An imaging device comprises a level synthesizing section (106) for generating a level synthesis video signal by level-synthesizing first and second video signals captured by imaging with different exposures, a given frame signal generating section (105) which divides the video relating to the level synthesis video signal into areas corresponding to the brightness level according to the first or second video signal and generates signals corresponding to the divided areas, gradation correcting sections (109, 110) which correct the gradation of the level synthesis video signal by using the histogram of the area formed by the given frame signal generated by the given frame signal generating section (105) and produce gradation correction videos for the respective histogram, and an area combining section (111) for combining the gradation correction videos produced by the gradation correcting sections (109, 110).

Inventors:
Hoshino, Kouichi
Sano, Toshiyuki
Application Number:
PCT/JP2005/019549
Publication Date:
May 26, 2006
Filing Date:
October 25, 2005
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1006, Oaza Kadoma Kadoma-shi Osaka, 01, 57185, JP)
Hoshino, Kouichi
Sano, Toshiyuki
International Classes:
H04N5/235; G06T3/00; G06T5/00; G06T5/40; H04N5/335; H04N5/355; H04N5/372
Foreign References:
JP2004297701A2004-10-21
Attorney, Agent or Firm:
Ohno, Seiji (OHNO & PARTNERS, Kasumigaseki Bldg. 36F, 2-5, Kasumigaseki 3-chome, Chiyoda-ku Tokyo, 100-6036, JP)
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