The feature and spatial covariant kernel: adding implicit spatial constraints to histogram.

@inproceedings{liu-2007-feature, author = {Xiaobing Liu and Dong Wang and Jianmin Li and Bo Zhang}, editor = {Nicu Sebe and Marcel Worring}, title = {{The feature and spatial covariant kernel: adding implicit spatial constraints to histogram}}, booktitle = {{Proceedings of the 6th ACM International Conference on Image and Video Retrieval, CIVR 2007, Amsterdam, The Netherlands, July 9-11, 2007}}, pages = {565--572}, publisher = {ACM}, year = {2007}, url = {https://doi.org/10.1145/1282280.1282361}, doi = {https://doi.org/10.1145/1282280.1282361} }