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Proceedings Paper

Feature-preserving artifact removal from dermoscopy images
Author(s): Howard Zhou; Mei Chen; Richard Gass; James M. Rehg; Laura Ferris; Jonhan Ho; Laura Drogowski
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Paper Abstract

Dermoscopy, also called surface microscopy, is a non-invasive imaging procedure developed for early screening of skin cancer. With recent advance in skin imaging technologies and image processing techniques, there has been increasing interest in computer-aided diagnosis of skin cancer from dermoscopy images. Such diagnosis requires the identification of over one hundred cutaneous morphological features. However, computer procedures designed for extracting and classifying these intricate features can be distracted by the presence of artifacts like hair, ruler markings, and air bubbles. Therefore, reliable artifact removal is an important pre-processing step for improving the performance of computer-aided diagnosis of skin cancer. In this paper, we present a new scheme that automatically detects and removes hairs and ruler markings from dermoscopy images. Moreover, our method also addresses the issue of preserving morphological features during artifact removal. The key components of this method include explicit curvilinear structure detection and modeling, as well as feature guided exemplar-based inpainting. We experiment on a number of dermoscopy images and demonstrate that our method produces superior results compared to existing techniques.

Paper Details

Date Published: 27 March 2008
PDF: 9 pages
Proc. SPIE 6914, Medical Imaging 2008: Image Processing, 69141B (27 March 2008); doi: 10.1117/12.770824
Show Author Affiliations
Howard Zhou, Georgia Institute of Technology (United States)
Mei Chen, Intel Research Pittsburgh (United States)
Richard Gass, Intel Research Pittsburgh (United States)
James M. Rehg, Georgia Institute of Technology (United States)
Laura Ferris, Univ. of Pittsburgh Medical Ctr. (United States)
Jonhan Ho, Univ. of Pittsburgh Medical Ctr. (United States)
Laura Drogowski, Univ. of Pittsburgh Medical Ctr. (United States)

Published in SPIE Proceedings Vol. 6914:
Medical Imaging 2008: Image Processing
Joseph M. Reinhardt; Josien P. W. Pluim, Editor(s)

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