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SMPTE Meetings and Conferences ( October 2000)
[ACTIVE]

Blue Screen Matting Using Curved Separating Surfaces

Metadata

Publisher
SMPTE — White Plains, NY
Doc Type
Conference Paper
Content Type
Original Research
Volume
2000, No. 2, pp. 1–10
Abstract
The purpose of this paper is to propose a new ‘blue screen matting’ digital solution, which employs ‘curved separating surfaces’ in RGB colorspace. The ‘separating surface’ model was examined by Jim Blinn and Alvy Ray Smith at the 1996 Siggraph conference, and is the recognized model that is employed in two of the most common matting products being used by the industry today, the Ultimatte keying technology and IMAGICA/Photron's Primatte. With this paper, we extend the concept from the earlier model, which was defined with coarse polygons, to curved surfaces that maintain a more natural pixel distribution of the foreground data against the background screen. In this paper, I introduce a constrained grid surface patch (referred to as ‘OGP’ in this paper), which achieves a fast, practical computing solution for natural matte generation and background suppression. OGP offers the advantage of working with uneven green or blue screen conditions without a decrease in performance. An additional solution called the ‘Extended Matting Problem’ is also presented that uses two additional curved separating surfaces for background spill removal. I will also demonstrate how the new method processes difficult matte frames.
Publication Date
2000-10-01
DOI
10.5594/M00168
Link
https://doi.org/10.5594/M00168
Author(s)
Yasushi MishimaImagica Corp., Tokyo, Japan
Copyright
© 2000 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

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  • 12. Mishima Y. . “A Software Chro-makeyer Using Polyhedric Slice” , Proceedings of NICOGRAPH92, pp. 44 – 52 , 1992 , Japanese. EXTERNAL
  • 13. Hansen C. . “Chromakey Apparatus” . Japan Patent 63–66791, Mar 26, 1987 . EXTERNAL
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  • 15. http://www2.discreet.com/rdtech/tn/ModulerKeyerIntro.pdf . EXTERNAL
  • 16. Porter T. Duff T. . “Compositing Digital Images” . Proceedings of SIGGRAPH84, Computer Graphics 18,3 pp. 253 – 259 , 1984 . EXTERNAL
  • 17. Vlahos P. . “Backing color and luminance nonuniformity compensation for linear image compositing” . U. S. Patent 5,032,901, July 16, 1991 . EXTERNAL
  • 18. Vlahos P. . “Backing color and luminance nonuniformity compensation for linear image compositing” . U. S. Patent 5,424,781, June 13, 1995 . EXTERNAL
  • 19. Jackson C. L. Tanimoto S. L. . “Octrees and Their Use in Representing Three-Dimensional Objects” , Computer Graphics and Image Processing . 14 ( 3 ), pp. 249 – 270 . 1980 . EXTERNAL
  • 2. Beyer W. . “Traveling Matte Photography and the Blue-Screen System” , Journal of the SMPTE , Vol. 74 , March, 1965 . EXTERNAL
  • 3. Vlahos P. . “Electronic Composite Photography” , U. S. Patent 3,595,987. July 27, 1971 . EXTERNAL
  • 4. Skrydstrup O. . “Chroma Dyeing System Utilizing Remote Controlled Chroma Keyer” , U. S. Patent 3,560,638. Feb 2, 1971 . EXTERNAL
  • 5. Yamamoto K. . “Digital chromakey apparatus” , U. S. Patent 4,488,169. Dec 11, 1984 . EXTERNAL
  • 6. William K. P. . “Image Feature Extraction” , Digital Image Processing, Wilkey-interscience . pp. 557 – 595 , 1991 . EXTERNAL
  • 7. Kass M. Witikin A. Terzopoulos D. . “SNAKES: Active Contour Modes” , Porc. 1st ICCV , pp. 259 – 268 , 1987 . EXTERNAL
  • 8. Smith A. R. Blinn J. F. . “Blue Screen Matting” , Proceedings of SIGGRAPH96, pp. 259 – 268 , 1996 . EXTERNAL
  • 9. Vlahos P. . “Comprehensive Electronic Compositing System” , U. S. Patent 4,100,569, Jul.11, 1978 . EXTERNAL
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Yasushi Mishima; Blue Screen Matting Using Curved Separating Surfaces, SMPTE Meetings and Conferences ( October 2000); SMPTE, 2000. Available at https://doi.org/10.5594/M00168
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Yasushi Mishima; Blue Screen Matting Using Curved Separating Surfaces, SMPTE Meetings and Conferences ( October 2000); SMPTE, 2000. Available at https://doi.org/10.5594/M00168

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Yasushi Mishima; Blue Screen Matting Using Curved Separating Surfaces, SMPTE Meetings and Conferences ( October 2000); SMPTE, 2000. Available at https://doi.org/10.5594/M00168
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<span class="citation">Yasushi Mishima; <cite>Blue Screen Matting Using Curved Separating Surfaces</cite>, SMPTE Meetings and Conferences ( October 2000); SMPTE, 2000. Available at <a href="https://doi.org/10.5594/M00168" target="_blank" rel="noopener">https://doi.org/10.5594/M00168</a></span>

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Preview:
Yasushi Mishima; Blue Screen Matting Using Curved Separating Surfaces, SMPTE Meetings and Conferences ( October 2000); SMPTE, 2000
doi: 10.5594/M00168
url: https://doi.org/10.5594/M00168
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Yasushi Mishima; <cite id="bib-10-5594-m00168">Blue Screen Matting Using Curved Separating Surfaces</cite>, SMPTE Meetings and Conferences ( October 2000); SMPTE, 2000
<span class="doi">10.5594/M00168</span>
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