Image processing apparatus and image processing method

Computer graphics processing and selective visual display system – Computer graphics display memory system – Graphic display memory controller

Reexamination Certificate

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C358S536000, C358S003060, C358S001160

Reexamination Certificate

active

06903745

ABSTRACT:
An image processing apparatus has interpolation calculation means which outputs, based on an input image signal P7, a binary signal P8=0 or 1 by calculating a formula, P8=S[i](xl,yl) EXOR (DF(xl,yl) AND IP(xl,yl)), using a screen pattern S[i](xl,yl), a difference pattern DF(xla,yla) based on screen patterns S[i] and S[i+1], and an interpolation pattern IP(xla,yla).

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patent: 5777759 (1998-07-01), Kaburagi et al.
patent: 6256107 (2001-07-01), Toda
patent: 2002/0122191 (2002-09-01), Kitagawara
patent: 2003/0025954 (2003-02-01), Takano et al.
patent: 9-93424 (1997-04-01), None

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