C++ codes of Hough forests [1] for action detection.
[1] J. Gall, A. Yao, N. Razavi, L. van Gool, and V. Lempitsky, "Hough Forests for Object Detection, Tracking, and Action Recognition", IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 33, No. 11, pp. 2188-2202, 2011.