I have recently read this paper: "WLD: A Robust Local Image Descriptor" [1]
[PDF](http://vipl.ict.ac.cn/sites/default/files/papers/files/2010_PAMI_jchen_WLD-A%20Robust%20Local%20Image%20Descriptor.pdf)
It looks very interesting. Does anyone have experience with WLD or tinkered with this descriptor?
[1] Chen, J., Shan, S., He, C., Zhao, G., Pietikainen, M., Chen, X., & Gao, W. (2010). **WLD: A robust local image descriptor**. Pattern Analysis and Machine Intelligence, IEEE Transactions on, 32(9), 1705-1720.
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