Use of adaptive hybrid filtering process in Crohn's disease lesion detection from real capsule endoscopy videos

Vasileios S. Charisis, Leontios J. Hadjileontiadis

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The aim of this Letter is to present a new capsule endoscopy (CE) image analysis scheme for the detection of small bowel ulcers that relate to Crohn's disease. More specifically, this scheme is based on: (i) a hybrid adaptive filtering (HAF) process, that utilises genetic algorithms to the curvelet-based representation of images for efficient extraction of the lesion-related morphological characteristics, (ii) differential lacunarity (DL) analysis for texture feature extraction from the HAF-filtered images and (iii) support vector machines for robust classification performance. For the training of the proposed scheme, namely HAF-DL, an 800-image database was used and the evaluation was based on ten 30-second long endoscopic videos. Experimental results, along with comparison with other related efforts, have shown that the HAF-DL approach evidently outperforms the latter in the field of CE image analysis for automated lesion detection, providing higher classification results. The promising performance of HAF-DL paves the way for a complete computer-aided diagnosis system that could support the physicians' clinical practice.

Original languageBritish English
Pages (from-to)27-33
Number of pages7
JournalHealthcare Technology Letters
Volume3
Issue number1
DOIs
StatePublished - 2016

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