Cross-evaluation of facial hyperpigmented lesions based on fluorescence color image and cross-polarized color image

Eunji Kim, Dongyoun Kim, Eung H. Choi, Byungjo Jung

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background/purpose: Hyperpigmentation is a common skin problem that looks darker than normal skin regions. Accurate evaluation of a hyperpigmented lesion (HPL) is of clinical importance because proper choice of treatment can be dependent on it. This study aimed to differentiate between epidermal and dermal HPLs. Methods: Cross-polarized color images (CPCIs) and fluorescence color images (FCIs) were acquired from the same facial regions. Contrast-limited adaptive histogram equalization (CLAHE) was employed to enhance the image contrast and a fuzzy c-means algorithm was implemented to extract the HPLs. The HPLs were superimposed to investigate the difference between CPCI and FCI. Results: The HPL was successfully extracted by applying both CLAHE and fuzzy c-means algorithms. CPCI and FCI resulted in a slightly different HPL, even from the same facial region, indicating a greater percentage area of HPL in FCI than CPCI. Conclusion: CPCI and FCI may be utilized to differentiate HPLs that exist in different skin layers. Thus, this approach may contribute to the effective treatment of HPLs.

Original languageEnglish
Pages (from-to)e459-e464
JournalSkin Research and Technology
Volume19
Issue number1
DOIs
Publication statusPublished - 2013 Feb 1

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Color
Fluorescence
Skin
Hyperpigmentation

All Science Journal Classification (ASJC) codes

  • Dermatology

Cite this

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title = "Cross-evaluation of facial hyperpigmented lesions based on fluorescence color image and cross-polarized color image",
abstract = "Background/purpose: Hyperpigmentation is a common skin problem that looks darker than normal skin regions. Accurate evaluation of a hyperpigmented lesion (HPL) is of clinical importance because proper choice of treatment can be dependent on it. This study aimed to differentiate between epidermal and dermal HPLs. Methods: Cross-polarized color images (CPCIs) and fluorescence color images (FCIs) were acquired from the same facial regions. Contrast-limited adaptive histogram equalization (CLAHE) was employed to enhance the image contrast and a fuzzy c-means algorithm was implemented to extract the HPLs. The HPLs were superimposed to investigate the difference between CPCI and FCI. Results: The HPL was successfully extracted by applying both CLAHE and fuzzy c-means algorithms. CPCI and FCI resulted in a slightly different HPL, even from the same facial region, indicating a greater percentage area of HPL in FCI than CPCI. Conclusion: CPCI and FCI may be utilized to differentiate HPLs that exist in different skin layers. Thus, this approach may contribute to the effective treatment of HPLs.",
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Cross-evaluation of facial hyperpigmented lesions based on fluorescence color image and cross-polarized color image. / Kim, Eunji; Kim, Dongyoun; Choi, Eung H.; Jung, Byungjo.

In: Skin Research and Technology, Vol. 19, No. 1, 01.02.2013, p. e459-e464.

Research output: Contribution to journalArticle

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AU - Kim, Dongyoun

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