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Updated: Jul 21, 2026
Quantitative Visualization and Detection of Skin Cancer Using Dynamic Thermal Imaging
Published on: May 5, 2011
Thresholding methods for lesion segmentation of basal cell carcinoma in dermoscopy images
R Kaur1, R LeAnder1, N K Mishra2
1Department of Electrical and Computer Engineering, Southern Illinois University Edwardsville, Edwardsville, IL, 62025, USA.
Purpose:
Algorithms employed for pigmented lesion segmentation perform poorly on dermoscopy images of basal cell carcinoma (BCC), the most common skin cancer. The main objective was to develop better methods for BCC segmentation.
Methods:
Fifteen thresholding methods were implemented for BCC lesion segmentation. We propose two error metrics that better measure the type II error: Relative XOR Error and Lesion Capture Ratio.
Results:
On training/test sets of 305 and 34 BCC images, respectively, five new techniques outperform two state-of-the-art methods used in segmentation of melanomas, based on the new error metrics.
Conclusion:
The proposed algorithms, which include solutions for image vignetting correction and border expansion to achieve dermatologist-like borders, provide more inclusive and feature-preserving border detection, favoring better BCC classification accuracy, in future work.
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