Error diffusion method and apparatus thereof for display system

Details Error diffusion method and apparatus thereof for display system Error diffusion method and apparatus thereof for display system

2005-10-18

2005-10-18

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C382S199000, C382S252000

Reexamination Certificate

active

06956583

ABSTRACT:
In an error diffusion method and an apparatus thereof for a display system capable of preventing errors of pixels of a certain display region for being affected by pixels of other display regions on a PDP (plasma display panel) device or other display devices, the apparatus includes a boundary region recognition unit for recognizing boundaries of displayed regions by a RGB (red, green, blue) input signal and outputting a boundary recognition signal and an error diffusion processing unit for outputting a RGB output signal by computing an error value between a present pixel and surrounding pixels or outputting a RGB output signal by computing only an error value of the present pixel according to the boundary region recognition signal.

REFERENCES:
patent: 5379130 (1995-01-01), Wang et al.
patent: 5757517 (1998-05-01), Couwenhoven et al.
patent: 5760794 (1998-06-01), Munson et al.
patent: 6577759 (2003-06-01), Caron et al.
patent: 2002/0006231 (2002-01-01), Jayant et al.

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