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Encyclopedia of Color Science and Technology pp 1–5Cite as

Image Quality

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Synonyms

Image fidelity; Image similarity

Definition

Image quality is commonly characterized as the perceived image degradation with respect to an ideal undistorted image.

Overview

For many applications in research and industry, there is a constant need for quality assessment of images (e.g., computer graphics, image compression, camera manufactures, medical imaging).

Image quality cannot be formalized in general since it plays a different role depending on the application. For example, in lossy compression and streaming, the perceived quality-to-bit rate ratio with respect to a reference image needs to be maximized, whereas in computer vision, forensic, and medicine, the image quality is driven by task performance(i.e., how much semantic information is conveyed in the image). In photo-realistic image synthesis (e.g., 3D computer games, movies), image quality can be regarded as a measure of realism (photography versus rendered image). Moreover, in art and in particular in...

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References

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Author information

Authors and Affiliations

  1. Max-Planck Institute for Informatics, Building 46.1, Room 215, Stuhlsatzenhausweg 85, Saarbrücken, Germany

    Herzog Robert

Authors
  1. Herzog Robert
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Corresponding author

Correspondence to Herzog Robert .

Editor information

Editors and Affiliations

  1. School of Design University of Leeds, Leeds, United Kingdom

    Ronnier Luo

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© 2015 Springer Science+Business Media New York

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Robert, H. (2015). Image Quality. In: Luo, R. (eds) Encyclopedia of Color Science and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27851-8_178-1

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  • DOI: https://doi.org/10.1007/978-3-642-27851-8_178-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Online ISBN: 978-3-642-27851-8

  • eBook Packages: Springer Reference Physics and AstronomyReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics

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