1 code implementation • 5 Mar 2024 • Chihiro Nakatani, Hiroaki Kawashima, Norimichi Ukita
Unlike prior work in which the manual annotation of group activities is required for supervised learning, our method learns the GAF through person attribute prediction without group activity annotations.
1 code implementation • ICCV 2023 • Chihiro Nakatani, Hiroaki Kawashima, Norimichi Ukita
We introduce a specialized MLP head with positional embedding to the Transformer so that it predicts pixelwise confidence of joint attention for generating the confidence heatmap.
1 code implementation • MVA 2021 • Chihiro Nakatani, Kohei Sendo, Norimichi Ukita
This paper proposes joint learning of individual action recognition and people grouping for improving group activity recognition.
Ranked #5 on Group Activity Recognition on Volleyball