Title
The reconstructed residual error : a novel segmentation evaluation measure for reconstructed images in tomography The reconstructed residual error : a novel segmentation evaluation measure for reconstructed images in tomography
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Subject
Computer. Automation
Source (journal)
Computer vision and image understanding. - -
Volume/pages
126(2014) , p. 28-37
ISSN
1077-3142
ISI
000339646800003
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
In this paper, we present the reconstructed residual error, which evaluates the quality of a given segmentation of a reconstructed image in tomography. This novel evaluation method, which is independent of the methods that were used to reconstruct and segment the image, is applicable to segmentations that are based on the density of the scanned object. It provides a spatial map of the errors in the segmented image, based on the projection data. The reconstructed residual error is a reconstruction of the difference between the recorded data and the forward projection of that segmented image. The properties and applications of the algorithm are verified experimentally through simulations and experimental micro-CT data. The experiments show that the reconstructed residual error is close to the true error, that it can improve gray level estimates, and that it can help discriminating between different segmentations. (C) 2014 Elsevier Inc. All rights reserved.
E-info
https://repository.uantwerpen.be/docman/iruaauth/ca2f2f/1388162.pdf
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