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Patent Searching and Data


Title:
COLOR SPACE CONVERSION DEVICE, IMAGE PROCESSING DEVICE, IMAGE DISPLAY DEVICE, AND COLOR SPACE CONVERSION METHOD
Document Type and Number:
Japanese Patent JP2012039274
Kind Code:
A
Abstract:

To provide a color space conversion device etc. capable of accurately adjusting the hue etc. of an image.

A second color space conversion circuit 140 for converting an HLS signal to a YUV signal comprises a saturation adjustment circuit 80, a first color difference output device 75, and a second color difference output device 76. A saturation adjustment circuit 80 adjusts a saturation signal included in the HLS signal according to a hue signal included in the HLS signal. The first color difference output device 75 and the second color difference output device 76 generate a color difference signal included in the YUV signal on the basis of the hue signal and the saturation signal adjusted by the saturation adjustment circuit 80.


Inventors:
KOYAMA FUMIO
Application Number:
JP2010176007A
Publication Date:
February 23, 2012
Filing Date:
August 05, 2010
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
H04N9/31; G06T1/00; G09G3/20; H04N1/46; H04N1/60
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Kazuhiko Miyasaka