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Search: AMNE:(NATURAL SCIENCES) AMNE:(Computer and Information Sciences) AMNE:(Bioinformatics) > (2000-2004) > Evaluation of desig...

  • Björkman, Eva (author)

Evaluation of design options for the scale-space primal sketch analysis of brain activation images

  • Article/chapterEnglish2000

Publisher, publication year, extent ...

  • 2000
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-40152
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-40152URI
  • https://doi.org/10.1016/S1053-8119(00)91586-6DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:kon swepub-publicationtype

Notes

  • QC 20111209
  • A key issue in brain imaging concerns how to detect the functionally activated regions from PET and fMRI images. In earlier work, it has been shown that the scale-space primal sketch provides a useful tool for such analysis [1]. The method includes presmoothing with different filter widths and automatic estimation of the spatial extent of the activated regions (blobs).The purpose is to present two modifications of the scale-space primal sketch, as well as a quantitative evaluation which shows that these modifications improve the performance, measured as the separation between blob descriptors extracted from PET images and from noise images. This separation is essential for future work of associating a statistical p-value with the scale-space blob descriptors.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Zagal, Juan Cristobal (author)
  • Lindeberg, Tony,1964-KTH,Numerisk analys och datalogi, NADA(Swepub:kth)u1ht8xqq (author)
  • Roland, Per E. (author)
  • KTHNumerisk analys och datalogi, NADA (creator_code:org_t)

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