Source:http://linkedlifedata.com/resource/pubmed/id/16092335
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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
8
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| pubmed:dateCreated |
2005-8-11
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| pubmed:abstractText |
Brain deformation models have proven to be a powerful tool in compensating for soft tissue deformation during image-guided neurosurgery. The accuracy of these models can be improved by incorporating intraoperative measurements of brain motion. We have designed and implemented a passive intraoperative stereo vision system capable of estimating the three-dimensional shape of the surgical scene in near real-time. This intraoperative shape is compared with the cortical surface in the co-registered preoperative magnetic resonance (MR) volume for the estimation of the cortical motion resulting from the open cranial surgery. The estimated cortical motion is then used to guide a full brain model, which updates a preoperative MR volume. We have found that the stereo vision system is accurate to within approximately 1 mm. Based on data from two representative clinical cases, we show that stereopsis guidance improves the accuracy of brain shift compensation both at and below the cortical surface.
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| pubmed:grant | |
| pubmed:language |
eng
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| pubmed:journal | |
| pubmed:citationSubset |
IM
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| pubmed:status |
MEDLINE
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| pubmed:month |
Aug
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| pubmed:issn |
0278-0062
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| pubmed:author | |
| pubmed:issnType |
Print
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| pubmed:volume |
24
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| pubmed:owner |
NLM
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| pubmed:authorsComplete |
Y
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| pubmed:pagination |
1039-52
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| pubmed:dateRevised |
2007-11-14
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| pubmed:meshHeading |
pubmed-meshheading:16092335-Algorithms,
pubmed-meshheading:16092335-Artificial Intelligence,
pubmed-meshheading:16092335-Cerebral Cortex,
pubmed-meshheading:16092335-Computer Simulation,
pubmed-meshheading:16092335-Depth Perception,
pubmed-meshheading:16092335-Female,
pubmed-meshheading:16092335-Humans,
pubmed-meshheading:16092335-Image Enhancement,
pubmed-meshheading:16092335-Image Interpretation, Computer-Assisted,
pubmed-meshheading:16092335-Imaging, Three-Dimensional,
pubmed-meshheading:16092335-Magnetic Resonance Imaging,
pubmed-meshheading:16092335-Male,
pubmed-meshheading:16092335-Middle Aged,
pubmed-meshheading:16092335-Models, Biological,
pubmed-meshheading:16092335-Neuronavigation,
pubmed-meshheading:16092335-Pattern Recognition, Automated,
pubmed-meshheading:16092335-Photogrammetry,
pubmed-meshheading:16092335-Reproducibility of Results,
pubmed-meshheading:16092335-Sensitivity and Specificity,
pubmed-meshheading:16092335-Surgery, Computer-Assisted
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| pubmed:year |
2005
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| pubmed:articleTitle |
Stereopsis-guided brain shift compensation.
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| pubmed:affiliation |
Dartmouth Medical School, 172 Kellogg Building, Hanover, NH 03755 USA. Hai.Sun@dartmouth.edu
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| pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Case Reports,
Research Support, N.I.H., Extramural
|