Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-09-05
2006-09-05
Mengistu, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C315S169400
Reexamination Certificate
active
07102599
ABSTRACT:
A dynamic false contour detector identifies a pixel where a false contour is expected to be generated based on monotony of change in gradation level, an existence of carry/borrow of the subfields, and a position of a contour. Then, a pixel value switcher switches individual gradation levels among a plurality of pixels including the pixel identified by the dynamic false contour detector. As a result, it is achieved to reduce degradation of image quality due to the dynamic false contour with a simple structure and processes.
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Japanese Office Action for Japanese Patent Application No. 2005-151455, Apr. 4, 2006.
Kimura Toru
Okuzawa Masahiko
Mengistu Amare
Pioneer Corporation
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