Title:
PROCESS FOR GENERATING PLANE TECHNICAL CURVES OR CONTOURS
Document Type and Number:
WIPO Patent Application WO1994015267
Kind Code:
A3
Abstract:
PCT No. PCT/DE93/01252 Sec. 371 Date Sep. 11, 1995 Sec. 102(e) Date Sep. 11, 1995 PCT Filed Dec. 23, 1993 PCT Pub. No. WO94/15267 PCT Pub. Date Jul. 7, 1994The application relates to a process for generating plane curves or contours for representing technical images by consecutively generating coordinates by digitizing parametric, polynomial and rational third order Bezier curves.
Inventors:
SCHULMEISS TREUGOTT (DE)
Application Number:
PCT/DE1993/001252
Publication Date:
August 18, 1994
Filing Date:
December 23, 1993
Export Citation:
Assignee:
SCHULMEISS TREUGOTT (DE)
International Classes:
C22F1/00; G06F17/10; G06T11/20; (IPC1-7): G06F/
Foreign References:
| EP0568360A2 | 1993-11-03 |
Other References:
N.KEHTARNAVAZ ET AL: "A FRAMEWORK FOR SURFACE RECONSTRUCTION FROM 3D CONTOURS", COMPUTER VISION GRAPHICS AND IMAGE PROCESSING, vol. 42, no. 1, April 1988 (1988-04-01), DULUTH, MA US, pages 32 - 47, XP000000262
J.HOSCEK: "CIRCULAR SPLINES", COMPUTER AIDED DESIGN, vol. 24, no. 11, November 1992 (1992-11-01), LONDON GB, pages 611 - 618, XP000328796
XIAOLIN WU ET AL: "DOUBLE-STEP GENERATION OF ELLIPSES", IEEE COMPUTER GRAPHICS AND APPLICATIONS, vol. 9, no. 3, May 1989 (1989-05-01), NEW YORK US, pages 56 - 69, XP000115871
M DOUGLAS MCILROY: "GETTING RASTER ELLIPSES RIGHT", ACM TRANSACTION ON GRAPHICS, vol. 11, no. 3, July 1992 (1992-07-01), pages 259 - 275, XP000306276
FOLEY ET AL: "COMPUTER GRAPHICS - PRINCIPLES AND PRACTICE", 1990, ADDISON WESLEY PUBLISHERS, READING MASSACHUSETTS US
J.HOSCEK: "CIRCULAR SPLINES", COMPUTER AIDED DESIGN, vol. 24, no. 11, November 1992 (1992-11-01), LONDON GB, pages 611 - 618, XP000328796
XIAOLIN WU ET AL: "DOUBLE-STEP GENERATION OF ELLIPSES", IEEE COMPUTER GRAPHICS AND APPLICATIONS, vol. 9, no. 3, May 1989 (1989-05-01), NEW YORK US, pages 56 - 69, XP000115871
M DOUGLAS MCILROY: "GETTING RASTER ELLIPSES RIGHT", ACM TRANSACTION ON GRAPHICS, vol. 11, no. 3, July 1992 (1992-07-01), pages 259 - 275, XP000306276
FOLEY ET AL: "COMPUTER GRAPHICS - PRINCIPLES AND PRACTICE", 1990, ADDISON WESLEY PUBLISHERS, READING MASSACHUSETTS US
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