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- W2119472020 abstract "Background Vitiligo is a cutaneous pigmentary disorder characterized by depigmented macules and patches that result from loss of epidermal melanocytes. Physician evaluates the efficacy of treatment by comparing the extent of vitiligo lesions before and after treatment based on the overall visual impression of the treatment response. This method is called the physician's global assessment ( PGA ) which is subjective. In this article, we present an innovative digital image processing method to determine vitiligo lesion area in an objective manner. Method The digital method uses Independent Component Analysis ( ICA ) to generate melanin‐based images representing skin areas due to melanin followed by Region Growing process to segment vitiligo lesion from normal skin. Results Based on 41 digital images of vitiligo lesions taken from 18 patients, the proposed method achieved sensitivities of 0.9105 ± 0.0161, specificities of 0.9973 ± 0.0009 and accuracies of 0.9901 ± 0.0028 at 95% confidence level. Conclusion With the proposed method, physicians are able to assess vitiligo treatment efficacies objectively." @default.
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- W2119472020 date "2012-01-11" @default.
- W2119472020 modified "2023-10-16" @default.
- W2119472020 title "Computerised image analysis of vitiligo lesion: evaluation using manually defined lesion areas" @default.
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- W2119472020 doi "https://doi.org/10.1111/j.1600-0846.2011.00610.x" @default.
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