Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2007-05-25
2011-12-06
Caschera, Antonio (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
C345S419000, C345S426000, C345S427000, C345S428000, C345S581000, C345S610000, C345S619000, C382S260000, C382S293000, C382S295000, C382S300000
Reexamination Certificate
active
08072464
ABSTRACT:
A 3D graphics processing method includes receiving a homogeneous coordinate and an attribute value of both end points of one scan line of a polygon composed of a plurality of perspective projected vertices, calculating a reference value indicating an amount of perspective distortion in the scan line using the received homogeneous coordinates, and interpolating an attribute value of each of pixels of the scan line using at least some of the received homogeneous coordinates and attribute values, the attribute value interpolated by selectively applying perspective correction to each pixel based on the reference value.
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Zhang et al., “Perspective-Correct Normal for Equal Angle Interpolation”, Dept. of Computer and Communication Engineering, 2005, IEEE, pp. 1020-1024 (in English).
Korean Office Action for corresponding Korean Patent Application No. 10-2007-0047834 dated Feb. 11, 2009 (4 pgs).
Ahn Jeong-Hwan
Belyaev Sergey U.
Kim Do-Kyoon
Lee Kee-Chang
Tak Se-Yoon
Caschera Antonio
Samsung Electronics Co,. Ltd.
Staas & Halsey , LLP
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