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Second order scattering descriptors predict fMRI activity due to visual textures

Abstract : Second layer scattering descriptors are known to provide good classification performance on natural quasi-stationary processes such as visual textures due to their sensitivity to higher order moments and continuity with respect to small deformations. In a functional Magnetic Resonance Imaging (fMRI) experiment we present visual textures to subjects and evaluate the predictive power of these descriptors with respect to the predictive power of simple contour energy - the first scattering layer. We are able to conclude not only that invariant second layer scattering coefficients better encode voxel activity, but also that well predicted voxels need not necessarily lie in known retinotopic regions.
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Contributor : Fabian Pedregosa Connect in order to contact the contributor
Submitted on : Saturday, August 10, 2013 - 11:32:28 AM
Last modification on : Thursday, March 17, 2022 - 10:08:43 AM
Long-term archiving on: : Tuesday, April 4, 2017 - 11:36:35 PM


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  • HAL Id : hal-00834928, version 1
  • ARXIV : 1310.1257


Michael Eickenberg, Fabian Pedregosa, Senoussi Mehdi, Alexandre Gramfort, Bertrand Thirion. Second order scattering descriptors predict fMRI activity due to visual textures. PRNI 2013 - 3nd International Workshop on Pattern Recognition in NeuroImaging, Jun 2013, Philadelphia, United States. ⟨hal-00834928⟩



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