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Compositing and Chroma Keying

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  • First Online:
Encyclopedia of Color Science and Technology

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Synonyms

Blending; Color-separation overlay; Deep compositing; Layering; Matting

Definition

Compositing is the act of combining two images or video sequences, producing a new image or video sequence. There are several techniques to composite two images (or video frames): alpha matte, gradient-domain blending, deep compositing, multiply, overlay and screen modes, etc.

Chroma keying is the name of one of such techniques which uses color hues (chroma) to guide the compositing process. A portion of the target image is selected (based on a color or a range of colors) and substituted by the image to be inserted. This technique is widely adopted in video editing and postproduction.

Origin of the Terms

Traditionally, both in TV and films, there have been four basic compositing techniques: matting, physical compositing, background projection, and multiple exposure.

  • Mattingis currently the most widespread technique and corresponds to the general definition given above. Digital compositing...

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References

  1. Brinkmann, R.: The Art and Science of Digital Compositing. Morgan Kaufmann, San Francisco (1999)

    Google Scholar 

  2. Ray Smith A.: Image Compositing Fundamentals. Microsoft Tech Memo 4 (1995)

    Google Scholar 

  3. Porter, T., Duff, T.: Compositing digital images. In: SIGGRAPH’ 84: Proceedings of the 11th Annual Conference on Computer Graphics and Interactive Techniques, pp. 253–259 (1984)

    Google Scholar 

  4. Levin, A., Rav-Acha, A., Lischinski, D.: Spectral matting. IEEE Trans. Pattern. Anal. Mach. Intel. 30, 1699–1712 (2008)

    Article  Google Scholar 

  5. Grasso A. (ed.): SVG Compositing Specification. W3C Working Draft (2011)

    Google Scholar 

  6. Perez, P., Gangnet, M., Blake, A.: Poisson image editing. ACM Trans. Graph. 22(3), 313–318 (2003)

    Article  Google Scholar 

  7. Sunkavalli, K., Johnson, M.K., Matusik, W., Pfister, H.: Multi-scale image harmonization. ACM Trans. Graph. 125, 1–125 (2010). SIGGRAPH, 10

    Article  Google Scholar 

  8. Richardt, C., Stoll, C., Dodgson, N., Siedel, H.-P., Theobalt, C.: Coherent spatiotermporal filtering, upsampling, and rendering of RGBZ videos. Cmp. Graph. Forum. Proc. of Eurographics. Eurographics Association, Cagliari, Sardinia (2012)

    Google Scholar 

  9. Lokovic, T., Veach, E.: Deep shadow maps. In: ACM SIGGRAPH 2000, pp. 85–392. (2000)

    Google Scholar 

  10. Debevec, P.: Virtual cinematography: relighting through computation. IEEE Comput. 39(8), 57–65 (2006)

    Article  Google Scholar 

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Author information

Authors and Affiliations

  1. GMRV Group, Universidad Rey Juan Carlos, Calle Tulipán s/n, 28933, FR-06902, Móstoles, Madrid, Spain

    Jorge Lopez-Moreno

Authors
  1. Jorge Lopez-Moreno
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Corresponding author

Correspondence to Jorge Lopez-Moreno .

Editor information

Editors and Affiliations

  1. State Key Laboratory of Modern, Optical Instrumentation, Zhejiang University, Hangzhou, China

    Ming Ronnier Luo

  2. School of Design, University of Leeds, Leeds, UK

    Ming Ronnier Luo

  3. Graduate Institute of Colour and Illumination, National Taiwan University of Science and Technology, Taipei, Taiwan, Republic of China

    Ming Ronnier Luo

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Lopez-Moreno, J. (2016). Compositing and Chroma Keying. In: Luo, M.R. (eds) Encyclopedia of Color Science and Technology. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-8071-7_173

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