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Hue-Preserving Saturation Improvement in RGB Color Cube

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Název: Hue-Preserving Saturation Improvement in RGB Color Cube
Autoři: Kohei Inoue, Minyao Jiang, Kenji Hara
Zdroj: Journal of Imaging, Vol 7, Iss 150, p 150 (2021)
Informace o vydavateli: MDPI AG
Rok vydání: 2021
Sbírka: Directory of Open Access Journals: DOAJ Articles
Témata: color image enhancement, hue preservation, saturation improvement, gamut problem, histogram equalization, histogram specification, Photography, TR1-1050, Computer applications to medicine. Medical informatics, R858-859.7, Electronic computers. Computer science, QA75.5-76.95
Popis: This paper proposes a method for improving saturation in the context of hue-preserving color image enhancement. The proposed method handles colors in an RGB color space, which has the form of a cube, and enhances the contrast of a given image by histogram manipulation, such as histogram equalization and histogram specification, of the intensity image. Then, the color corresponding to a target intensity is determined in a hue-preserving manner, where a gamut problem should be taken into account. We first project any color onto a surface in the RGB color space, which bisects the RGB color cube, to increase the saturation without a gamut problem. Then, we adjust the intensity of the saturation-enhanced color to the target intensity given by the histogram manipulation. The experimental results demonstrate that the proposed method achieves higher saturation than that given by related methods for hue-preserving color image enhancement.
Druh dokumentu: article in journal/newspaper
Jazyk: English
Relation: https://www.mdpi.com/2313-433X/7/8/150; https://doaj.org/toc/2313-433X; https://doaj.org/article/15d553e809db40ecb7caba7f5a3c70b6
DOI: 10.3390/jimaging7080150
Dostupnost: https://doi.org/10.3390/jimaging7080150
https://doaj.org/article/15d553e809db40ecb7caba7f5a3c70b6
Přístupové číslo: edsbas.B53938DA
Databáze: BASE
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  – Url: https://doi.org/10.3390/jimaging7080150#
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Hue-Preserving Saturation Improvement in RGB Color Cube
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Kohei+Inoue%22">Kohei Inoue</searchLink><br /><searchLink fieldCode="AR" term="%22Minyao+Jiang%22">Minyao Jiang</searchLink><br /><searchLink fieldCode="AR" term="%22Kenji+Hara%22">Kenji Hara</searchLink>
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  Label: Source
  Group: Src
  Data: Journal of Imaging, Vol 7, Iss 150, p 150 (2021)
– Name: Publisher
  Label: Publisher Information
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  Data: MDPI AG
– Name: DatePubCY
  Label: Publication Year
  Group: Date
  Data: 2021
– Name: Subset
  Label: Collection
  Group: HoldingsInfo
  Data: Directory of Open Access Journals: DOAJ Articles
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22color+image+enhancement%22">color image enhancement</searchLink><br /><searchLink fieldCode="DE" term="%22hue+preservation%22">hue preservation</searchLink><br /><searchLink fieldCode="DE" term="%22saturation+improvement%22">saturation improvement</searchLink><br /><searchLink fieldCode="DE" term="%22gamut+problem%22">gamut problem</searchLink><br /><searchLink fieldCode="DE" term="%22histogram+equalization%22">histogram equalization</searchLink><br /><searchLink fieldCode="DE" term="%22histogram+specification%22">histogram specification</searchLink><br /><searchLink fieldCode="DE" term="%22Photography%22">Photography</searchLink><br /><searchLink fieldCode="DE" term="%22TR1-1050%22">TR1-1050</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+applications+to+medicine%2E+Medical+informatics%22">Computer applications to medicine. Medical informatics</searchLink><br /><searchLink fieldCode="DE" term="%22R858-859%2E7%22">R858-859.7</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+computers%2E+Computer+science%22">Electronic computers. Computer science</searchLink><br /><searchLink fieldCode="DE" term="%22QA75%2E5-76%2E95%22">QA75.5-76.95</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: This paper proposes a method for improving saturation in the context of hue-preserving color image enhancement. The proposed method handles colors in an RGB color space, which has the form of a cube, and enhances the contrast of a given image by histogram manipulation, such as histogram equalization and histogram specification, of the intensity image. Then, the color corresponding to a target intensity is determined in a hue-preserving manner, where a gamut problem should be taken into account. We first project any color onto a surface in the RGB color space, which bisects the RGB color cube, to increase the saturation without a gamut problem. Then, we adjust the intensity of the saturation-enhanced color to the target intensity given by the histogram manipulation. The experimental results demonstrate that the proposed method achieves higher saturation than that given by related methods for hue-preserving color image enhancement.
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  Data: article in journal/newspaper
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  Data: English
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  Data: https://www.mdpi.com/2313-433X/7/8/150; https://doaj.org/toc/2313-433X; https://doaj.org/article/15d553e809db40ecb7caba7f5a3c70b6
– Name: DOI
  Label: DOI
  Group: ID
  Data: 10.3390/jimaging7080150
– Name: URL
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  Data: https://doi.org/10.3390/jimaging7080150<br />https://doaj.org/article/15d553e809db40ecb7caba7f5a3c70b6
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        Value: 10.3390/jimaging7080150
    Languages:
      – Text: English
    Subjects:
      – SubjectFull: color image enhancement
        Type: general
      – SubjectFull: hue preservation
        Type: general
      – SubjectFull: saturation improvement
        Type: general
      – SubjectFull: gamut problem
        Type: general
      – SubjectFull: histogram equalization
        Type: general
      – SubjectFull: histogram specification
        Type: general
      – SubjectFull: Photography
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      – SubjectFull: TR1-1050
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      – SubjectFull: Computer applications to medicine. Medical informatics
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      – SubjectFull: R858-859.7
        Type: general
      – SubjectFull: Electronic computers. Computer science
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      – SubjectFull: QA75.5-76.95
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      – TitleFull: Hue-Preserving Saturation Improvement in RGB Color Cube
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            NameFull: Kohei Inoue
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            NameFull: Minyao Jiang
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            NameFull: Kenji Hara
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              M: 01
              Type: published
              Y: 2021
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            – TitleFull: Journal of Imaging, Vol 7, Iss 150, p 150 (2021
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