Deep Learning, Artificial Intelligence, Video Classification, Action Recognition, Convolutional Network.
are replaced by separable 3D convolutions, i.e., replace filters of the form kt×k×k by 1×k×k followed by kt×1×1, where kt is the width of the filter in time, and k is the height/width of the filter in space. (For Inception, please feel free to read GoogLeNet / Inception-v1, BN-Inception /