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Title:
ENCODING APPARATUS AND DISPLAY CONTROL APPARATUS
Document Type and Number:
Japanese Patent JP2011124866
Kind Code:
A
Abstract:

To produce highly efficiently compressible encoded data while suppressing image quality deterioration as far as possible.

One block constituted of 64 pixels is divided into four regions in a first color axis direction, each of the pixels is divided into four regions and each region is divided in a second color axis direction. One block is divided into eight regions, 64 pixels are divided into eight regions, a representative color is set for each region, and a differential of representative value of the representative color for each region is calculated, thereby determining a quantization mode. Encoded data are produced on the basis of the quantization mode and the representative values. Thus, encoding processing is performed with high compression, without deteriorating image quality of an original image so much.


Inventors:
SASAKI TAKASHI
Application Number:
JP2009281822A
Publication Date:
June 23, 2011
Filing Date:
December 11, 2009
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
H04N19/00; H04N1/41; H04N11/04; H04N19/102; H04N19/134; H04N19/136; H04N19/189; H04N19/196; H04N19/34; H04N19/423; H04N19/85
Domestic Patent References:
JP2009071598A2009-04-02
JP2009027556A2009-02-05
JP2007312126A2007-11-29
JPH021076A1990-01-05
JP2009130690A2009-06-11
JP2009210844A2009-09-17
JP2008009383A2008-01-17
Attorney, Agent or Firm:
Kenji Yoshitake
Hirohito Katsunuma
Yasukazu Sato
Hiroshi Yoshimoto
Yasushi Kawasaki



 
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