3D convolutional neural network for feature extraction and classification of fMRI volumes

Hanh Vu, Hyun Chul Kim, Jong Hwan Lee

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    9 Citations (Scopus)

    Abstract

    Recently, deep learning (DL) techniques have been gaining interest in the neuroimaging community. In this study, we present 3D convolutional neural network (3D-CNN) as an end-To-end model to label a target task among four sensorimotor tasks for each functional magnetic resonance imaging (fMRI) volume. To the best of our knowledge, this is the first study that employs a single blood-oxygenation-level-dependent (BOLD) fMRI volume as the input of the 3D-CNN for task classification. We hypothesized that 3D-CNN has the capability to extract potentially shift-invariant features in local brain areas while preserving the overall spatial layout of the whole brain fMRI volume. We designed a 3D-CNN model by extending the LeNet-5 CNN for 2D image classification to 3D volume classification. The designed 3D-CNN model was thoroughly evaluated using BOLD fMRI volumes acquired from four sensorimotor tasks in terms of the classification performance and feature representations for each of the four sensorimotor tasks.

    Original languageEnglish
    Title of host publication2018 International Workshop on Pattern Recognition in Neuroimaging, PRNI 2018
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Print)9781538668597
    DOIs
    Publication statusPublished - 2018 Jul 31
    Event2018 International Workshop on Pattern Recognition in Neuroimaging, PRNI 2018 - Singapore, Singapore
    Duration: 2018 Jun 122018 Jun 14

    Publication series

    Name2018 International Workshop on Pattern Recognition in Neuroimaging, PRNI 2018

    Other

    Other2018 International Workshop on Pattern Recognition in Neuroimaging, PRNI 2018
    Country/TerritorySingapore
    CitySingapore
    Period18/6/1218/6/14

    Bibliographical note

    Funding Information:
    National Research Foundation (NRF)

    Funding Information:
    This work was supported by the National Research Foundation (NRF) grant, MSIP of Korea (NRF-2015R1A2A2A03004462, NRF-2017R1E1A1A01077288, NRF-2016M3C7A1914450), in part by the grant of the Ministry of Education of the Republic of Korea and the NRF of Korea (NRF-2015S1A5B6036594), in part by a grant of the Korean Health Technology R&D Project, Ministry of Health & Welfare, Korea (HI12C1847), and in part by the ICT R&D program of MSIP/IITP [R7124-16-0004, Development of Intelligent Interaction Technology Based on Context Awareness and Human Intention Understanding].

    Publisher Copyright:
    © 2018 IEEE.

    Keywords

    • 3D-CNN
    • Convolutional neural network (CNN)
    • deep learning
    • fMRI
    • sensorimotor

    ASJC Scopus subject areas

    • Computer Vision and Pattern Recognition
    • Radiology Nuclear Medicine and imaging
    • Behavioral Neuroscience
    • Cognitive Neuroscience
    • Neurology

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