System and method for video classification using a hybrid unsupervised and supervised multi-layer architecture
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United States of America Patent
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Apr 17, 2018
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app pub date -
Aug 18, 2016
filing date -
Aug 18, 2016
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Abstract
A computer-implemented video classification method and system are disclosed. The method includes receiving an input video including a sequence of frames. At least one transformation of the input video is generated, each transformation including a sequence of frames. For the input video and each transformation, local descriptors are extracted from the respective sequence of frames. The local descriptors of the input video and each transformation are aggregated to form an aggregated feature vector with a first set of processing layers learned using unsupervised learning. An output classification value is generated for the input video, based on the aggregated feature vector with a second set of processing layers learned using supervised learning.
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