@inproceedings{gao2021global2local,   
title={Global2Local: Efficient Structure Search for Video Action Segmentation},   
author={Gao, Shang-Hua and Han, Qi and Li, Zhong-Yu and Peng, Pai and Wang, Liang and Cheng, Ming-Ming},   
booktitle=CVPR,   
year={2021} }