@inproceedings{P114.472, author={Lee, Jongho and Min, Hyun-seok and Seo, Jeong-jik and De Neve, Wesley and Ro, Yong Man}, title={Sub-sampled dictionaries for coarse-to-fine sparse representation-based human action recognition}, booktitle={IEEE International Conference on Multimedia and Expo}, year={2014}, pages={6}, publisher={IEEE}, series={IEEE International Conference on Multimedia and Expo}, address={NEW YORK}, }