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cs.CV2026

NICO-RAG: Multimodal Hypergraph Retrieval-Augmented Generation for Understanding the Nicotine Public Health Crisis

Manuel Serna-Aguilera, Raegan Anderes, Page Dobbs +1

The nicotine addiction public health crisis continues to be pervasive. In this century alone, the tobacco industry has released and marketed new products in an aggressive effort to…

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

FLAASH: Flow-Attention Adaptive Semantic Hierarchical Fusion for Multi-Modal Tobacco Content Analysis

Naga VS Raviteja Chappa, Page Daniel Dobbs, Bhiksha Raj +1

The proliferation of tobacco-related content on social media platforms poses significant challenges for public health monitoring and intervention. This paper introduces a novel mul…

cs.CV2024

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…

cs.CV2024

Public Health Advocacy Dataset: A Dataset of Tobacco Usage Videos from Social Media

Naga VS Raviteja Chappa, Charlotte McCormick, Susana Rodriguez Gongora +2

The Public Health Advocacy Dataset (PHAD) is a comprehensive collection of 5,730 videos related to tobacco products sourced from social media platforms like TikTok and YouTube. Thi…