activity
20232026
most citedREACT: Recognize Every Action Everywhere All At Once

6 citations · 10 across the 7 of their papers we have counts for

collaborators

7 papers

cs.CV2026

Micro-DualNet: Dual-Path Spatio-Temporal Network for Micro-Action Recognition

Naga VS Raviteja Chappa, Evangelos Sariyanidi, Lisa Yankowitz +4

Micro-actions are subtle, localized movements lasting 1-3 seconds such as scratching one's head or tapping fingers. Such subtle actions are essential for social communication, ubiq…

cs.CV2025

DEFEND: A Large-scale 1M Dataset and Foundation Model for Tobacco Addiction Prevention

Naga VS Raviteja Chappa, Matthew Shepard, Connor McCurtain +3

While tobacco advertising innovates at unprecedented speed, traditional surveillance methods remain frozen in time, especially in the context of social media. The lack of large-sca…

cs.CV2024

LiGAR: LiDAR-Guided Hierarchical Transformer for Multi-Modal Group Activity Recognition

Naga Venkata Sai Raviteja Chappa, Khoa Luu

Group Activity Recognition (GAR) remains challenging in computer vision due to the complex nature of multi-agent interactions. This paper introduces LiGAR, a LIDAR-Guided Hierarchi…

cs.CV2023★ 4 cited

HAtt-Flow: Hierarchical Attention-Flow Mechanism for Group Activity Scene Graph Generation in Videos

Naga VS Raviteja Chappa, Pha Nguyen, Thi Hoang Ngan Le +1

Group Activity Scene Graph (GASG) generation is a challenging task in computer vision, aiming to anticipate and describe relationships between subjects and objects in video sequenc…

cs.CV2023★ 6 cited

REACT: Recognize Every Action Everywhere All At Once

Naga VS Raviteja Chappa, Pha Nguyen, Page Daniel Dobbs +1

Group Activity Recognition (GAR) is a fundamental problem in computer vision, with diverse applications in sports video analysis, video surveillance, and social scene understanding…

cs.CV2023

SoGAR: Self-supervised Spatiotemporal Attention-based Social Group Activity Recognition

Naga VS Raviteja Chappa, Pha Nguyen, Alexander H Nelson +4

This paper introduces a novel approach to Social Group Activity Recognition (SoGAR) using Self-supervised Transformers network that can effectively utilize unlabeled video data. To…