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cs.SD2026
Grammar-Guided Hierarchical Parsing for Long-form Audio Activity Recognition
Peng Zhang, Qingyu Luo, Philip J. B. Jackson +1
Long-form audio exhibits an inherent hierarchy: fine-grained events form sub-activities, which in turn constitute higher-level activities. Prior work often models these levels sepa…
cs.SD2026
Hierarchical Activity Recognition and Captioning from Long-Form Audio
Peng Zhang, Qingyu Luo, Philip J. B. Jackson +1
Complex activities in real-world audio unfold over extended durations and exhibit hierarchical structure, yet most prior work focuses on short clips and isolated events. To bridge…