Kanokphan Lertniphonphan, Supavadee Aramvith, Thanarat H. Chalidabhongse. Sparse representation of adaptive key frame features for human action classification. In Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2015, Hong Kong, December 16-19, 2015. pages 1236-1240, IEEE, 2015. [doi]