The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 2007
Filed:
Nov. 10, 2003
Akira Uesaki, Takatsuki, JP;
Akio Nishimura, Sakai, JP;
Tadashi Kobayashi, Ibaraki, JP;
Yoshiyuki Mochizuki, Suita, JP;
Kazu Segawa, Ibaraki, JP;
Makoto Yamakura, Ibaraki, JP;
Kazutaka Nishio, Ibaraki, JP;
Hitoshi Araki, Hirakata, JP;
Kenji Nishimura, Nabari, JP;
Akira Uesaki, Takatsuki, JP;
Akio Nishimura, Sakai, JP;
Tadashi Kobayashi, Ibaraki, JP;
Yoshiyuki Mochizuki, Suita, JP;
Kazu Segawa, Ibaraki, JP;
Makoto Yamakura, Ibaraki, JP;
Kazutaka Nishio, Ibaraki, JP;
Hitoshi Araki, Hirakata, JP;
Kenji Nishimura, Nabari, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A curved surface image processing apparatusaccording to the present invention that can render an object at higher speed and in higher quality by performing image processing using NURBS data includes: a data input unitfor receiving NURBS data; a coordinate transformation unitfor performing coordinate transformation on NURBS data; an animation control unitfor controlling animation data of each frame to be rendered; a data transformation unitfor transforming NURBS data into rational Bezier data; a patch division unitfor subdividing a rational Bezier surface patch; a normal determination unitfor calculating normals of control points of a divided surface patch; a perspective transformation unitfor performing perspective transformation on a divided surface patch; and a rendering unitfor rendering a surface patch.