AMNE:(NATURAL SCIENCES) AMNE:(Computer and Information Sciences) AMNE:(Computer Vision and Robotics)
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- Lindeberg, Tony,1964-KTH,Beräkningsbiologi, CB (author)
Analysis of brain activation patterns using a 3-D scale-space primal sketch
- Article/chapterEnglish1999
Publisher, publication year, extent ...
- 1999
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-40413
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-40413URI
- https://doi.org/10.1002/(SICI)1097-0193(1999)7:3<166::AID-HBM3>3.0.CO;2-IDOI
- http://kipublications.ki.se/Default.aspx?queryparsed=id:1960649URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC20111028
- A fundamental problem in brain imaging concerns how to define functional areas consisting of neurons that are activated together as populations. We propose that this issue can be ideally addressed by a computer vision tool referred to as the scale-space primal sketch. This concept has the attractive properties that it allows for automatic and simultaneous extraction of the spatial extent and the significance of regions with locally high activity. In addition, a hierarchical nested tree structure of activated regions and subregions is obtained. The subject in this article is to show how the scale-space primal sketch can be used for automatic determination of the spatial extent and the significance of rCBF changes. Experiments show the result of applying this approach to functional PET data, including a preliminary comparison with two more traditional clustering techniques. Compared to previous approaches, the method overcomes the limitations of performing the analysis at a single scale or assuming specific models of the data.
Subject headings and genre
- NATURVETENSKAP Data- och informationsvetenskap Datavetenskap hsv//swe
- NATURAL SCIENCES Computer and Information Sciences Computer Sciences hsv//eng
- NATURVETENSKAP Data- och informationsvetenskap Datorseende och robotik hsv//swe
- NATURAL SCIENCES Computer and Information Sciences Computer Vision and Robotics hsv//eng
- MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
- MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
- NATURVETENSKAP Data- och informationsvetenskap Bioinformatik hsv//swe
- NATURAL SCIENCES Computer and Information Sciences Bioinformatics hsv//eng
- brain activation
- human brain mapping
- functional region
- scale-space
- primal sketch
- scale selection
- blob detection
- multi-scale representation
- computer vision
Added entries (persons, corporate bodies, meetings, titles ...)
- Lidberg, Pär (author)
- Roland, PerKarolinska Institutet (author)
- KTHBeräkningsbiologi, CB (creator_code:org_t)
Related titles
- In:Human Brain Mapping7:3, s. 166-941065-94711097-0193
Internet link
- http://www.csc.kth.se/cvap/abstracts/cvap223.htmlComplementary information from authors home page
- https://kth.diva-portal.org/smash/get/diva2:441151/FULLTEXT01.pdffulltext:postprint
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-40413
- https://doi.org/10.1002/(SICI)1097-0193(1999)7:3<166::AID-HBM3>3.0.CO;2-I
- http://kipublications.ki.se/Default.aspx?queryparsed=id:1960649
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