Identifying group-wise consistent sub-networks via spatial sparse representation of natural stimulus FMRI data

Cheng Lyu, Xiang Li, Jinglei Lv, Xintao Hu, Junwei Han, Lei Quo, Tianming Liu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Natural stimulus fMRI has been increasingly used in the brain imaging and brain mapping fields thanks to its more realistic stimulation of the brain's perceptive and cognitive systems. However, identifying consistent functional networks across different brains in natural stimulus fMRI data has been challenging due to the intrinsic variability of individual brain's responses and a variety of sources of noises. Inspired by recent promising results of sparse representation of whole-brain fMRI data, in this paper, we present a novel hybrid temporal and spatial sparse representation of whole-brain natural stimulus fMRI data for the inference of common functional networks across fMRI sessions and individual brains. Experimental results on natural stimulus fMRI dataset demonstrated the effectiveness of this framework.

Original languageEnglish
Title of host publication2016 IEEE International Symposium on Biomedical Imaging
Subtitle of host publicationFrom Nano to Macro, ISBI 2016 - Proceedings
PublisherIEEE Computer Society
Pages62-65
Number of pages4
ISBN (Electronic)9781479923502
DOIs
StatePublished - 15 Jun 2016
Event2016 IEEE 13th International Symposium on Biomedical Imaging: From Nano to Macro, ISBI 2016 - Prague, Czech Republic
Duration: 13 Apr 201616 Apr 2016

Publication series

NameProceedings - International Symposium on Biomedical Imaging
Volume2016-June
ISSN (Print)1945-7928
ISSN (Electronic)1945-8452

Conference

Conference2016 IEEE 13th International Symposium on Biomedical Imaging: From Nano to Macro, ISBI 2016
Country/TerritoryCzech Republic
CityPrague
Period13/04/1616/04/16

Keywords

  • consistent brain network
  • fMRI
  • natural stimulus
  • sparse coding

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