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Evaluation of contrast enhancement filters for lung nodule detection

Title
Evaluation of contrast enhancement filters for lung nodule detection
Type
Article in International Conference Proceedings Book
Year
2007
Authors
Carlos S Pereira
(Author)
Other
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Ana Maria Mendonca
(Author)
FEUP
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Aurelio Campilho
(Author)
FEUP
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Conference proceedings International
Indexing
Scientific classification
FOS: Engineering and technology > Environmental biotechnology
Other information
Authenticus ID: P-004-DFA
Abstract (EN): The aim of this paper is to evaluate and compare the performance of three convergence index (CI) filters when applied to the enhancement of chest radiographs, aiming at the detection of lung nodules. One of these filters, the sliding band filter (SBF), is the proposal of an innovative operator, while the other two CI class members, the iris filter (IF) and the adaptive ring filter (ARF), are already known in this application. To demonstrate the adequacy of the new filter for the enhancement of chest x-ray images, we calculated several figures of merit with the goal of comparing (i) the contrast enhancement capability of the filters, and (ii) the behavior of the filters for the detection of lung nodules. The results obtained for 154 images with nodules of the JSRT database show that the SBF outperforms both the IF and ARF. The proposed filter demonstrated to be a promising enhancement method, thus justifying its use in the first stage of a computer-aided diagnosis system for the detection of lung nodules.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 11
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Carlos S Pereira; Hugo Fernandes; Ana Maria Mendonca; Aurelio Campilho
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