Group Activity Recognition
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Benchmarks
Volleyball
Collective Activity
Most implemented
Revisiting Skeleton-based Action Recognition
Spatio-Temporal Dynamic Inference Network for Group Activity Recognition
Learning Actor Relation Graphs for Group Activity Recognition
SGA-INTERACT: A 3D Skeleton-based Benchmark for Group Activity Understanding in Modern Basketball Tactic
Papers
Structure over Depth: A Single-Block Spatio-Temporal Transformer for Multi-Entity Reasoning
Modeling multi-entity temporal data requires capturing dependencies across entities, time, and their interactions. Transformer-based approaches perform well but often rely on deep stacks of layers to learn these heteroge…
Group Activity RecognitionA Pairwise Human-Human Interaction Detection and Recognition Framework for Mobile Service Robots
Autonomous mobile service robots, such as lawnmowers or cleaning robots, operating in human-populated environments need to reason about human-human interactions to support safe and socially aware navigation. For such sys…
Group Activity RecognitionPISHYAR: A Socially Intelligent Smart Cane for Indoor Social Navigation and Multimodal Human-Robot Interaction for Visually Impaired People
This paper presents PISHYAR, a socially intelligent smart cane designed by our group to combine socially aware navigation with multimodal human-AI interaction to support both physical mobility and interactive assistance.…
Group Activity RecognitionObject LocalizationSpeech RecognitionObject DetectionComputer Vision based group activity detection and action spotting
Group activity detection in multi-person scenes is challenging due to complex human interactions, occlusions, and variations in appearance over time. This work presents a computer vision based framework for group activit…
Group Activity RecognitionRelational ReasoningGraph Neural NetworkActivity DetectionPixels or Positions? Benchmarking Modalities in Group Activity Recognition
Group Activity Recognition (GAR) is well studied on the video modality for surveillance and indoor team sports (e.g., volleyball, basketball). Yet, other modalities such as agent positions and trajectories over time, i.e…
Group Activity RecognitionPromptGAR: Flexible Promptive Group Activity Recognition
We present PromptGAR, a novel framework that addresses the limitations of current Group Activity Recognition (GAR) approaches by leveraging multi-modal prompts to achieve both input flexibility and high recognition accur…
Activity RecognitionDecoderGroup Activity Recognition