Patent ID: 11935296
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. An apparatus for online action detection, comprising:
an input unit configured to receive a video chunk sequence of a streaming video;
a memory in which a program for detecting an action using the video chunk sequence is stored; and
a processor configured to execute the program,
wherein the processor extracts a chunk-level feature of the video chunk sequence, performs filtering on the chunk-level feature to generate a chunk-level feature sequence to be used for action classification, and classifies an action class and outputs an action class probability using the chunk-level feature sequence, wherein
the processor configured to infer a relation of an action instance represented by a current chunk and other chunks to generate a filtered chunk-level feature sequence to be used for action classification, and
the processor configured to predict an action relevance of each chunk with the current point in time so as to generate filtered features in which a feature of a chunk related to the current point in time is emphasized and a feature of a chunk unrelated to the current point in time is filtered out.