DEVICE AND METHOD FOR PROCESSING CURVED SURFACE IMAGE

DEVICE AND METHOD FOR PROCESSING CURVED SURFACE IMAGE

PROBLEM TO BE SOLVED: To provide a curved surface image processor capable of performing rendering at higher speed and with higher quality in image processing using NURBS data. SOLUTION: The curved surface image processor 100 is provided with a data input part 101 for inputting the NURBS data, a coor...

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Hauptverfasser: KOBAYASHI TADASHI, KAMISAKI AKIRA, ARAKI HITOSHI, NISHIO KAZUTAKA, NISHIMURA KENJI, MOCHIZUKI YOSHIYUKI, YAMAKURA MAKOTO, NISHIMURA AKIO, SEGAWA TAKAHISA
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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creator KOBAYASHI TADASHI
KAMISAKI AKIRA
ARAKI HITOSHI
NISHIO KAZUTAKA
NISHIMURA KENJI
MOCHIZUKI YOSHIYUKI
YAMAKURA MAKOTO
NISHIMURA AKIO
SEGAWA TAKAHISA
description PROBLEM TO BE SOLVED: To provide a curved surface image processor capable of performing rendering at higher speed and with higher quality in image processing using NURBS data. SOLUTION: The curved surface image processor 100 is provided with a data input part 101 for inputting the NURBS data, a coordinate transformation part 102 for performing coordinate transformation to the NURBS data, an animation control part 103 for controlling pieces of animation data of the respective drawing frames, a data transformation part 104 for transforming the NURBS data into rational Bezier data, a curved surface patch separation processing part 105 for subdividing a rational Bezier curved surface patch, a normal line calculation part 106 for calculating normal vectors to control points of the curved surface patch after separation, a perspective transformation part 107 for performing perspective transformation to the curved surface patch after separation, and a rendering processing part 108 for performing rendering processing to the curved surface patch. COPYRIGHT: (C)2004,JPO
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
title DEVICE AND METHOD FOR PROCESSING CURVED SURFACE IMAGE
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