open source CFRs implementation for computer vision problems?
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There are several open source implementations of conditional random fields (CRFs) in C++, such as CRF++, FlexCRF, etc. But from the manual, I can only understand how to use them for 1-D problems such as text tagging, it's not clear how to apply them in 2-D vision problems, suppose I have computed the association potentials at each node and the interaction potentials at each edge.

Did anyone use these packages for vision problems, e.g., segmentation? Or they simply cannot be used in this way? 

All in all, is there any open source packages of CRFs for vision problems?

Thanks a lot!

