Sparsity-inducing dictionaries for effective action classification

作者:

Highlights:

• Sparsity-inducing dictionaries as an effective representation for action classification in videos.

• Features obtained from sparsity based representation provide enough discriminative information for classification of action videos.

• Constructed dictionaries are distinct for a large number of action classes resulting in a significant improvement in classification accuracy.

摘要

Highlights•Sparsity-inducing dictionaries as an effective representation for action classification in videos.•Features obtained from sparsity based representation provide enough discriminative information for classification of action videos.•Constructed dictionaries are distinct for a large number of action classes resulting in a significant improvement in classification accuracy.

论文关键词:Action Classification,Dictionary Learning,Sparse Representation,Action Bank features

论文评审过程:Received 30 August 2015, Revised 1 March 2016, Accepted 8 March 2016, Available online 16 March 2016, Version of Record 23 August 2016.

论文官网地址:https://doi.org/10.1016/j.patcog.2016.03.011