Introduced in PKU-MMD: A Large Scale Benchmark for Continuous Multi-Modal Human Action Understanding2016
The PKU-MMD dataset is a large skeleton-based action detection dataset. It contains 1076 long untrimmed video sequences performed by 66 subjects in three camera views. 51 action categories are annotated, resulting almost 20,000 action instances and 5.4 million frames in total. Similar to NTU RGB+D, there are also two recommended evaluate protocols, i.e. cross-subject and cross-view.
Source: Co-occurrence Feature Learning from Skeleton Data for Action Recognition and Detection with Hierarchical Aggregation Image Source: https://www.icst.pku.edu.cn/struct/Projects/PKUMMD.html
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