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Color Equalization and Retinex

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Color Image and Video Enhancement

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Abstract

Color and illumination are two principal factors that influence human visual perception as well as imaging devices. However, an imaging device can neither discern colors nor adapt to different imaging environments as a human does. Consequently, it may produce images having a bad visual effect under a bad imaging environment. Color equalization and color constancy are two efficient and common techniques for image visual effect enhancement. In this chapter, we focus on some representative methods in color equalization and on Retinex. Histogram equalization enhances an image by manipulating the bins of its color or intensity histogram. The principle behind this approach is close to human visual perception. Here we illustrate several implementations. We also describe the Retinex theory, which is one of the most famous methods for color correction inspired by human color constancy. Although this theory was proposed about 40 years ago, it still attracts much interest and many implementations are available. Here we provide a survey of different Retinex based algorithms, including the original version.

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Authors and Affiliations

  1. School of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing, 210003, China

    Liqian Wang

  2. School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China

    Liqian Wang

  3. Key Lab of Intelligent Perception and Systems for High-Dimensional Information of Ministry of Education, Nanjing, 210094, China

    Liang Xiao & Zhihui Wei

Authors
  1. Liqian Wang
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  2. Liang Xiao
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  3. Zhihui Wei
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Correspondence to Liqian Wang .

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Editors and Affiliations

  1. Computer Science dept., Louisiana State University Shreveport, Shreveport, Louisiana, USA

    Emre Celebi

  2. Fondazione Bruno Kessler Center for Information and Communication Technology, Trento, Italy

    Michela Lecca

  3. Silesian University of Technology, Gliwice, Poland

    Bogdan Smolka

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Wang, L., Xiao, L., Wei, Z. (2015). Color Equalization and Retinex. In: Celebi, E., Lecca, M., Smolka, B. (eds) Color Image and Video Enhancement. Springer, Cham. https://doi.org/10.1007/978-3-319-09363-5_9

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  • DOI: https://doi.org/10.1007/978-3-319-09363-5_9

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-09362-8

  • Online ISBN: 978-3-319-09363-5

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