Computer graphics system for real-time calculation and display of the perspective view of three-dimensional scenes United States Patent 04697178

04697178 is referenced by 78 patents and cites 7 patents.

A computer graphics system and process for displaying three-dimensional scenes as perspective views on the view reference plane of a display device is disclosed which removes hidden lines and surfaces from the display. The system and process utilizes a scan line algorithm which minimizes storage requirements and is efficiently implementable in hardware.

Title
Computer graphics system for real-time calculation and display of the perspective view of three-dimensional scenes
Application Number
6/626385
Publication Number
4697178
Application Date
June 29, 1984
Publication Date
September 29, 1987
Inventor
Todd A Heckel
Clarksville
MD, US
Agent
Antonelli Terry & Wands
Assignee
Megatek Corporation
CA, US
IPC
G09G 1/00
View Original Source

Citations: 78 (view full list)

  1. Michael T MacKay, Robert J Berger, Robert Duffy, Ted E Langford: Multi-dimensional user interface. Sony Corporation of America, Blakely Sokoloff Taylor & Zafman, September 15, 1992: US05148154 (598 worldwide citation)
  2. Michael F Deering: 3-D graphics display system using triangle processor pipeline. Schlumberger Systems, David H Carroll, Robert C Colwell, Paul C Haughey, December 5, 1989: US04885703 (109 worldwide citation)
  3. Michael F Deering: Triangle processor for 3-D graphics display system. Schlumberger Technologies, David H Carroll, Robert C Colwell, Paul C Haughey, July 31, 1990: US04945500 (91 worldwide citation)
  4. Michael F Deering: Normal vector shading for 3-D graphics display system. Schlumberger Technologies, David H Carroll, Robert C Colwell, Paul C Haughey, February 13, 1990: US04901064 (85 worldwide citation)
  5. Michael C Kaye, Charles J L Best: Method of hidden surface reconstruction for creating accurate three-dimensional images converted from two-dimensional images. In Three, Henricks Slavin & Holmes, October 3, 2006: US07116323 (82 worldwide citation)
  6. Michael C Kaye, Charles J L Best: Method for minimizing visual artifacts converting two-dimensional motion pictures into three-dimensional motion pictures. In Three, Henricks Slavin & Holmes, October 3, 2006: US07116324 (79 worldwide citation)
  7. Michael C Kaye, Charles J L Best: Method for conforming objects to a common depth perspective for converting two-dimensional images into three-dimensional images. In Three, Henricks Slavin & Holmes, September 5, 2006: US07102633 (67 worldwide citation)
  8. Michael Kelley, Stephanie Winner: Method and apparatus for distributed interpolation of pixel shading parameter values. Apple Computer, Blakely Sokoloff Taylor & Zafman, January 6, 1998: US05706415 (63 worldwide citation)
  9. Hong Lip Lim: Visibility calculations for 3D computer graphics. Oppedahl & Larson, June 22, 1999: US05914721 (60 worldwide citation)
  10. Hiroyuki Murata, Takashi Yokota: Image synthesizing system with surface data perspective transformation. Namco, Oliff & Berridge, October 1, 1996: US05561746 (59 worldwide citation)

References: 7

  1. Tsu Y Shen: Three-dimensional display system. Lexidata Corporation, Robert F O Connell, October 2, 1984: US04475104 (133 worldwide citation)
  2. Warnock John E: Electronically generated perspective images. The University of Utah, August 31, 1971: US3602702 (75 worldwide citation)
  3. Johnson K Yan, Judit K Florence: Modular digital image generator. The Singer Company, Barry L Haley, February 11, 1986: US04570233 (67 worldwide citation)
  4. William S Bennett: Methods and apparatus for blending computer image generated features. The Singer Company, Jeff Rothenberg, Douglas M Clarkson, May 17, 1983: US04384338 (60 worldwide citation)
  5. David L Sherman: Method and apparatus for generating line segments and polygonal areas on a raster-type display. Atari, Townsend and Townsend, January 10, 1984: US04425559 (56 worldwide citation)
  6. Gordon W Romney 1521 Princeton Avenue, UT, David C Evans 1393 East South Temple, Alan C Erdahl 2277 East 1700 South, Chris R Wylie deceased late of Salt Lake City, Patricia A Wylie administratrix: Electronically generated perspective images. Lynn G Foster, November 16, 1971: US3621214 (55 worldwide citation)
  7. Watkins Gary S: Electronically generated perspective images. University of Utah, May 29, 1973: US3736564 (26 worldwide citation)