| CPC H04N 21/23418 (2013.01) [G06T 7/246 (2017.01); G06V 20/46 (2022.01); G06T 2207/10021 (2013.01)] | 20 Claims |
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1. A system comprising:
a processor; and
a computer-readable medium storing instructions that are operative upon execution by the processor to:
receive a video stream comprising a plurality of video frames;
group the plurality of video frames into a set of present video frames and a set of historical video frames, the set of present video frames comprising a current video frame;
based on at least the set of historical video frames and the set of present video frames, generate an action prediction for the current video frame; and
perform background suppression, wherein the action prediction comprises a confidence and wherein performing the background suppression comprises:
generating a loss function that weights low confidence video frames more heavily, with separate emphasis on action and background classes, for a classifier that generates the action prediction.
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