activity
20232026
collaborators

5 papers

cs.CV2026

Action-Slot: Structured Action-Centric Representation Learning for Multi-Agent Atomic Activity Understanding

Yu-Ho Chang, Chi-Hsi Kung, Yi-Hsuan Tsai +1

Atomic activity understanding aims to recognize and localize structured traffic behaviors that jointly encode motion patterns and their grounding in road topology. Unlike conventio…

cs.CV2025

EgoVIS@CVPR: What Changed and What Could Have Changed? State-Change Counterfactuals for Procedure-Aware Video Representation Learning

Chi-Hsi Kung, Frangil Ramirez, Juhyung Ha +3

Understanding a procedural activity requires modeling both how action steps transform the scene, and how evolving scene transformations can influence the sequence of action steps,…

cs.CV2025

Toward Real-world BEV Perception: Depth Uncertainty Estimation via Gaussian Splatting

Shu-Wei Lu, Yi-Hsuan Tsai, Yi-Ting Chen

Bird's-eye view (BEV) perception has gained significant attention because it provides a unified representation to fuse multiple view images and enables a wide range of down-stream…

cs.CV2025

What Changed and What Could Have Changed? State-Change Counterfactuals for Procedure-Aware Video Representation Learning

Chi-Hsi Kung, Frangil Ramirez, Juhyung Ha +3

Understanding a procedural activity requires modeling both how action steps transform the scene, and how evolving scene transformations can influence the sequence of action steps,…

cs.CV2023

Action-slot: Visual Action-centric Representations for Multi-label Atomic Activity Recognition in Traffic Scenes

Chi-Hsi Kung, Shu-Wei Lu, Yi-Hsuan Tsai +1

In this paper, we study multi-label atomic activity recognition. Despite the notable progress in action recognition, it is still challenging to recognize atomic activities due to a…