Understanding Temporal Segment Networks (TSN): A Breakthrough in Action Recognition

Jefferies Jiang
3 min readMay 26, 2024

In the ever-evolving field of computer vision, one of the most challenging tasks is action recognition — identifying actions or activities from video sequences. Whether it’s recognizing someone walking, running, or performing a complex dance, the ability to accurately interpret actions in videos has numerous practical applications, from video surveillance and sports analytics to automated video tagging and human-computer interaction.

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