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Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited A...

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Authors and Corporations: Frost, Anja (Author), Renners, Eike (Author), Hötter, Michael (Author), Ostermann, Jörn (Other)
Title: Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle Anja Frost; Eike Renners; Michael Hötter; Jörn Ostermann
Media Type: E-Article
Language: English
published:
2012
Source: Verbunddaten SWB
Lizenzfreie Online-Ressourcen
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author Frost, Anja, Renners, Eike, Hötter, Michael
author2 Ostermann, Jörn
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contents An important part of computed tomography is the calculation of a three-dimensional reconstruction of an object from series of X-ray images. Unfortunately, some applications do not provide sufficient X-ray images. Then, the reconstructed objects no longer truly represent the original. Inside of the volumes, the accuracy seems to vary unpredictably. In this paper, we introduce a novel method to evaluate any reconstruction, voxel by voxel. The evaluation is based on a sophisticated probabilistic handling of the measured X-rays, as well as the inclusion of a priori knowledge about the materials that the object receiving the X-ray examination consists of. For each voxel, the proposed method outputs a numerical value that represents the probability of existence of a predefined material at the position of the voxel while doing X-ray. Such a probabilistic quality measure was lacking so far. In our experiment, false reconstructed areas get detected by their low probability. In exact reconstructed areas, a high probability predominates. Receiver Operating Characteristics not only confirm the reliability of our quality measure but also demonstrate that existing methods are less suitable for evaluating a reconstruction.
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spelling Frost, Anja 1980- (DE-588)1051987814 (DE-627)787342645 (DE-576)407656111 aut, Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle Anja Frost; Eike Renners; Michael Hötter; Jörn Ostermann, 2012, Online-Ressource, nicht spezifiziert zzz rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, An important part of computed tomography is the calculation of a three-dimensional reconstruction of an object from series of X-ray images. Unfortunately, some applications do not provide sufficient X-ray images. Then, the reconstructed objects no longer truly represent the original. Inside of the volumes, the accuracy seems to vary unpredictably. In this paper, we introduce a novel method to evaluate any reconstruction, voxel by voxel. The evaluation is based on a sophisticated probabilistic handling of the measured X-rays, as well as the inclusion of a priori knowledge about the materials that the object receiving the X-ray examination consists of. For each voxel, the proposed method outputs a numerical value that represents the probability of existence of a predefined material at the position of the voxel while doing X-ray. Such a probabilistic quality measure was lacking so far. In our experiment, false reconstructed areas get detected by their low probability. In exact reconstructed areas, a high probability predominates. Receiver Operating Characteristics not only confirm the reliability of our quality measure but also demonstrate that existing methods are less suitable for evaluating a reconstruction., Renners, Eike aut, Hötter, Michael (DE-588)1073722805 (DE-627)829369740 (DE-576)435292447 aut, Ostermann, Jörn oth, http://serwiss.bib.hs-hannover.de/frontdoor/index/index/docId/440 Verlag Volltext, http://nbn-resolving.de/urn:nbn:de:bsz:960-opus4-4408 application/pdf Resolving-System Kostenfrei Volltext, http://nbn-resolving.de/urn:nbn:de:bsz:960-opus4-4408 LFER, LFER 2019-07-15T00:00:00Z, lfer DE-Rs1, lfer DE-14, lfer DE-Brt1, lfer DE-105, lfer DE-15, lfer DE-Pl11, lfer DE-Zwi2, lfer DE-Bn3, lfer DE-D161, lfer DE-Zi4, lfer DE-L229, lfer DE-Ch1, lfer DE-Gla1
spellingShingle Frost, Anja, Renners, Eike, Hötter, Michael, Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle, An important part of computed tomography is the calculation of a three-dimensional reconstruction of an object from series of X-ray images. Unfortunately, some applications do not provide sufficient X-ray images. Then, the reconstructed objects no longer truly represent the original. Inside of the volumes, the accuracy seems to vary unpredictably. In this paper, we introduce a novel method to evaluate any reconstruction, voxel by voxel. The evaluation is based on a sophisticated probabilistic handling of the measured X-rays, as well as the inclusion of a priori knowledge about the materials that the object receiving the X-ray examination consists of. For each voxel, the proposed method outputs a numerical value that represents the probability of existence of a predefined material at the position of the voxel while doing X-ray. Such a probabilistic quality measure was lacking so far. In our experiment, false reconstructed areas get detected by their low probability. In exact reconstructed areas, a high probability predominates. Receiver Operating Characteristics not only confirm the reliability of our quality measure but also demonstrate that existing methods are less suitable for evaluating a reconstruction.
swb_id_str 9837470526
title Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle
title_auth Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle
title_full Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle Anja Frost; Eike Renners; Michael Hötter; Jörn Ostermann
title_fullStr Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle Anja Frost; Eike Renners; Michael Hötter; Jörn Ostermann
title_full_unstemmed Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle Anja Frost; Eike Renners; Michael Hötter; Jörn Ostermann
title_list_str Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle
title_short Probabilistic Evaluation of Three-Dimensional Reconstructions from X-Ray Images Spanning a Limited Angle
title_sort probabilistic evaluation of three dimensional reconstructions from x ray images spanning a limited angle
url http://serwiss.bib.hs-hannover.de/frontdoor/index/index/docId/440, http://nbn-resolving.de/urn:nbn:de:bsz:960-opus4-4408
urn urn:nbn:de:bsz:960-opus4-4408