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Temporal Gaussian Mixture Layer for Videos
AJ Piergiovanni · Michael Ryoo

Tue Jun 11 05:15 PM -- 05:20 PM (PDT) @ Seaside Ballroom

We introduce a new convolutional layer named the Temporal Gaussian Mixture (TGM) layer and present how it can be used to efficiently capture longer-term temporal information in continuous activity videos. The TGM layer is a temporal convolutional layer governed by a much smaller set of parameters (e.g., location/variance of Gaussians) that are fully differentiable. We present our fully convolutional video models with multiple TGM layers for activity detection. The extensive experiments on multiple datasets, including Charades and MultiTHUMOS, confirm the effectiveness of TGM layers, significantly outperforming the state-of-the-arts.

Author Information

AJ Piergiovanni (Indiana University)
Michael Ryoo (Indiana University / Google Brain)

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