Match tier Confirmed
Presence Current · Arkansas
Last published 2025
Sources OpenAlex · ORCID
Refreshed 2026-08-15

Naga Venkata Sai Raviteja Chappa

Affiliation confirmed via AI analysis of OpenAlex, ORCID, and web sources.

Graduate Research Assistant

Graduate Student Researcher

4 h-index 20 pubs 64 cited

Biography and Research Information

OverviewAI-generated summary

Naga Venkata Sai Raviteja Chappa, a graduate research assistant at the University of Arkansas at Fayetteville, focuses on developing advanced deep learning techniques for activity recognition in videos and images. His work explores self-supervised and attention-based methods, often incorporating spatiotemporal transformers and hierarchical attention mechanisms. Chappa has investigated approaches for group activity recognition, such as SPARTAN and SoGAR, and has also applied deep learning to specific challenges like image deblurring with EQAdap. His research extends to real-world applications, including the assessment of tobacco usage in TikTok videos. Chappa has a publication record that includes work on multi-modal group activity recognition utilizing LiDAR data (LiGAR) and has collaborated with researchers including Page D. Dobbs, Pha Nguyen, Khoa Luu, and Charlotte McCormick.

Metrics

  • h-index: 4
  • Publications: 20
  • Citations: 64

Selected Publications

  • LiGAR: LiDAR-Guided Hierarchical Transformer for Multi-Modal Group Activity Recognition (2025)
  • SoGAR: Self-Supervised Spatiotemporal Attention-Based Social Group Activity Recognition (2025)
    IEEE Access 6 citations DOI OpenAlex
  • DEFEND: A Large-scale 1M Dataset and Foundation Model for Tobacco Addiction Prevention (2025)
  • Public Health Advocacy Dataset: A Dataset of Tobacco Usage Videos from Social Media (2024)
  • Public Health Advocacy Dataset: A Dataset of Tobacco Usage Videos from Social Media (2024)
  • Public Health Advocacy Dataset: A Dataset of Tobacco Usage Videos from Social Media (2024)
  • FLAASH: Flow-Attention Adaptive Semantic Hierarchical Fusion for Multi-Modal Tobacco Content Analysis (2024)
  • FLAASH: Flow-Attention Adaptive Semantic Hierarchical Fusion for Multi-Modal Tobacco Content Analysis (2024)
  • React: recognize every action everywhere all at once (2024)
    Machine Vision and Applications 5 citations DOI OpenAlex
  • HAtt-Flow: Hierarchical Attention-Flow Mechanism for Group-Activity Scene Graph Generation in Videos (2024)
    Sensors 3 citations DOI OpenAlex
  • Advanced Deep Learning Techniques for Tobacco Usage Assessment in TikTok Videos (2024)
    1 citation DOI OpenAlex
  • Assessing TikTok Videos Content of Tobacco Usage by Leveraging Deep Learning Methods (2024)
  • SPARTAN: Self-supervised Spatiotemporal Transformers Approach to Group Activity Recognition (2023)
    35 citations DOI OpenAlex
  • EQAdap: Equipollent Domain Adaptation Approach to Image Deblurring (2022)
    IEEE Access 9 citations DOI OpenAlex

View all publications on OpenAlex →

Collaboration Network

18 Collaborators 4 Institutions 1 Country

Top Collaborators

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