Intermediate color interpolation for color filter array containing the white channel

Jonghyun Kim, Sang Wook Park, Moon Gi Kang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, a color filter array sensor with the white channel has been developed. This color filter array differs from the Bayer CFA, which is composed of red, green and blue channels. Since the white channel shows high sensitivity through broad spectral bands and a high light sensitivity, it presents many advantages. However, various color interpolation method for the Bayer CFA cannot be utilized for CFA pattern that contains the white channel directly. In this paper, a method for generating a quincuncial pattern is proposed for the CFA pattern. By generating an intermediate quincuncial pattern, various color interpolation algorithms can be applied to it. Experimental results are shown in comparison with the conventional method in terms of PSNR measurements.

Original languageEnglish
Title of host publicationProceedings of SPIE-IS and T Electronic Imaging - Image Processing
Subtitle of host publicationAlgorithms and Systems XIII
EditorsAtanas P. Gotchev, Sos S. Agaian, Karen O. Egiazarian
PublisherSPIE
ISBN (Electronic)9781628414899
DOIs
Publication statusPublished - 2015 Jan 1
EventImage Processing: Algorithms and Systems XIII - San Francisco, United States
Duration: 2015 Feb 102015 Feb 11

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9399
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherImage Processing: Algorithms and Systems XIII
CountryUnited States
CitySan Francisco
Period15/2/1015/2/11

Fingerprint

Color Filter Array
interpolation
Interpolation
Interpolate
Color
color
filters
Bayes
Photosensitivity
sensitivity
Interpolation Method
Sensor arrays
spectral bands
Sensor
sensors
Experimental Results

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Kim, J., Park, S. W., & Kang, M. G. (2015). Intermediate color interpolation for color filter array containing the white channel. In A. P. Gotchev, S. S. Agaian, & K. O. Egiazarian (Eds.), Proceedings of SPIE-IS and T Electronic Imaging - Image Processing: Algorithms and Systems XIII [93990B] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9399). SPIE. https://doi.org/10.1117/12.2076485
Kim, Jonghyun ; Park, Sang Wook ; Kang, Moon Gi. / Intermediate color interpolation for color filter array containing the white channel. Proceedings of SPIE-IS and T Electronic Imaging - Image Processing: Algorithms and Systems XIII. editor / Atanas P. Gotchev ; Sos S. Agaian ; Karen O. Egiazarian. SPIE, 2015. (Proceedings of SPIE - The International Society for Optical Engineering).
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Kim, J, Park, SW & Kang, MG 2015, Intermediate color interpolation for color filter array containing the white channel. in AP Gotchev, SS Agaian & KO Egiazarian (eds), Proceedings of SPIE-IS and T Electronic Imaging - Image Processing: Algorithms and Systems XIII., 93990B, Proceedings of SPIE - The International Society for Optical Engineering, vol. 9399, SPIE, Image Processing: Algorithms and Systems XIII, San Francisco, United States, 15/2/10. https://doi.org/10.1117/12.2076485

Intermediate color interpolation for color filter array containing the white channel. / Kim, Jonghyun; Park, Sang Wook; Kang, Moon Gi.

Proceedings of SPIE-IS and T Electronic Imaging - Image Processing: Algorithms and Systems XIII. ed. / Atanas P. Gotchev; Sos S. Agaian; Karen O. Egiazarian. SPIE, 2015. 93990B (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9399).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Recently, a color filter array sensor with the white channel has been developed. This color filter array differs from the Bayer CFA, which is composed of red, green and blue channels. Since the white channel shows high sensitivity through broad spectral bands and a high light sensitivity, it presents many advantages. However, various color interpolation method for the Bayer CFA cannot be utilized for CFA pattern that contains the white channel directly. In this paper, a method for generating a quincuncial pattern is proposed for the CFA pattern. By generating an intermediate quincuncial pattern, various color interpolation algorithms can be applied to it. Experimental results are shown in comparison with the conventional method in terms of PSNR measurements.

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Kim J, Park SW, Kang MG. Intermediate color interpolation for color filter array containing the white channel. In Gotchev AP, Agaian SS, Egiazarian KO, editors, Proceedings of SPIE-IS and T Electronic Imaging - Image Processing: Algorithms and Systems XIII. SPIE. 2015. 93990B. (Proceedings of SPIE - The International Society for Optical Engineering). https://doi.org/10.1117/12.2076485