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» Using Image Stimuli to Drive fMRI Analysis
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ISCAS
2008
IEEE
145views Hardware» more  ISCAS 2008»
15 years 6 months ago
Group learning using contrast NMF : Application to functional and structural MRI of schizophrenia
— Non-negative Matrix factorization (NMF) has increasingly been used as a tool in signal processing in the last couple of years. NMF, like independent component analysis (ICA) is...
Vamsi K. Potluru, Vince D. Calhoun
JOCN
2011
100views more  JOCN 2011»
14 years 2 months ago
The Emergence of Perceived Position in the Visual System
■ Representing object position is one of the most critical functions of the visual system, but this task is not as simple as reading off an objectʼs retinal coordinates. A rich...
Jason Fischer, Nicole Spotswood, David Whitney
MICCAI
2004
Springer
15 years 5 months ago
Detecting Functional Connectivity of the Cerebellum Using Low Frequency Fluctuations (LFFs)
Abstract. So far, resting state functional connectivity (RSFC) has been performed mainly by seed correlation analysis (SCA) on functional MRI (fMRI) studies. In previous studies, t...
Yong He, Yufeng Zang, Tianzi Jiang, Meng Liang, Ga...
ICA
2004
Springer
15 years 5 months ago
Second-Order Blind Source Separation Based on Multi-dimensional Autocovariances
SOBI is a blind source separation algorithm based on time decorrelation. It uses multiple time autocovariance matrices, and performs joint diagonalization thus being more robust th...
Fabian J. Theis, Anke Meyer-Bäse, Elmar Wolfg...
ICIP
2005
IEEE
16 years 1 months ago
Segmenting small regions in the presence of noise
Binary segmentation, a problem of extracting foreground objects from the background, often arises in medical imaging and document processing. Popular existing solutions include Ex...
Rashi Samur, Vitali Zagorodnov