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Springerplus. 2016 Sep 19;5(1):1603. doi: 10.1186/s40064-016-3211-4. eCollection 2016.

Segmentation of skin lesion using Cohen-Daubechies-Feauveau biorthogonal wavelet.

Author information

1
Department of Computer Engineering, Bahria University, Islamabad, Pakistan.
2
Department of Computer Engineering, Bahria University, Islamabad, Pakistan ; Government College University, Faisalabad, Pakistan.
3
National University of Sciences and Technology, Islamabad, Pakistan.

Abstract

This paper presents a novel technique for segmentation of skin lesion in dermoscopic images based on wavelet transform along with morphological operations. The acquired dermoscopic images may include artifacts inform of gel, dense hairs and water bubble which make accurate segmentation more challenging. We have also embodied an efficient approach for artifacts removal and hair inpainting, to enhance the overall segmentation results. In proposed research, color space is also analyzed and selection of blue channel for lesion segmentation have confirmed better performance than techniques which utilizes gray scale conversion. We tackle the problem by finding the most suitable mother wavelet for skin lesion segmentation. The performance achieved with 'bior6.8' Cohen-Daubechies-Feauveau biorthogonal wavelet is found to be superior as compared to other wavelet family. The proposed methodology achieves 93.87 % accuracy on dermoscopic images of PH2 dataset acquired at Dermatology Service of Hospital Pedro Hispano, Matosinhos, Portugal.

KEYWORDS:

Border detection; Dermoscopy; Image enhancement; Image segmentation; Skin cancer

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