Towards Grouping in Large Scenes with Occlusion-aware Spatio-temporal Transformers

no code implementations • 30 Oct 2023 • Jinsong Zhang, Lingfeng Gu, Yu-Kun Lai, Xueyang Wang, Kun Li

To explore the potential spatio-temporal relationship, we propose spatio-temporal transformers to simultaneously extract trajectory information and fuse inter-person features in a hierarchical manner.

Modeling the Trade-off of Privacy Preservation and Activity Recognition on Low-Resolution Images

no code implementations • 18 Mar 2023 • Yuntao Wang, Zirui Cheng, Xin Yi, Yan Kong, Xueyang Wang, Xuhai Xu, Yukang Yan, Chun Yu, Shwetak Patel, Yuanchun Shi

Modeling the trade-off of privacy preservation and machine recognition performance can guide future privacy-preserving computer vision systems using low-resolution image sensors.

Activity Recognition Image Super-Resolution +1

PANDA: A Gigapixel-level Human-centric Video Dataset

no code implementations • CVPR 2020 • Xueyang Wang, Xiya Zhang, Yinheng Zhu, Yuchen Guo, Xiaoyun Yuan, Liuyu Xiang, Zerun Wang, Guiguang Ding, David J. Brady, Qionghai Dai, Lu Fang

We believe PANDA will contribute to the community of artificial intelligence and praxeology by understanding human behaviors and interactions in large-scale real-world scenes.

4k Attribute +1