Source:http://linkedlifedata.com/resource/pubmed/id/22003706
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
Pt 3
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pubmed:dateCreated |
2011-10-18
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pubmed:abstractText |
This paper presents a new bronchoscope motion tracking method that utilizes manifold modeling and sequential Monte Carlo (SMC) sampler to boost navigated bronchoscopy. Our strategy to estimate the bronchoscope motions comprises two main stages: (1) bronchoscopic scene identification and (2) SMC sampling. We extend a spatial local and global regressive mapping (LGRM) method to Spatial-LGRM to learn bronchoscopic video sequences and construct their manifolds. By these manifolds, we can classify bronchoscopic scenes to bronchial branches where a bronchoscope is located. Next, we employ a SMC sampler based on a selective image similarity measure to integrate estimates of stage (1) to refine positions and orientations of a bronchoscope. Our proposed method was validated on patient datasets. Experimental results demonstrate the effectiveness and robustness of our method for bronchoscopic navigation without an additional position sensor.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:author | |
pubmed:volume |
14
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
248-55
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pubmed:meshHeading |
pubmed-meshheading:22003706-Algorithms,
pubmed-meshheading:22003706-Bronchoscopes,
pubmed-meshheading:22003706-Bronchoscopy,
pubmed-meshheading:22003706-Cluster Analysis,
pubmed-meshheading:22003706-Diagnostic Imaging,
pubmed-meshheading:22003706-Humans,
pubmed-meshheading:22003706-Image Processing, Computer-Assisted,
pubmed-meshheading:22003706-Imaging, Three-Dimensional,
pubmed-meshheading:22003706-Monte Carlo Method,
pubmed-meshheading:22003706-Reproducibility of Results,
pubmed-meshheading:22003706-Tomography, X-Ray Computed,
pubmed-meshheading:22003706-Video Recording
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pubmed:year |
2011
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pubmed:articleTitle |
ManiSMC: a new method using manifold modeling and sequential Monte Carlo sampler for boosting navigated bronchoscopy.
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pubmed:affiliation |
Graduate School of Information Science, Nagoya University, Japan.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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