1. Dalal, N., Triggs, B.: Histograms of oriented gradients for human detection. In: IEEE Computer Society Conference on Computer Vision and Pattern Recognition, vol. 1, pp. 886–893 (2005)
2. Lecture Notes in Computer Science;P. Dollár,2008
3. Fan, R.E., Chang, K.W., Hsieh, C.J., Wang, X.R., Lin, C.J.: LIBLINEAR: A library for large linear classification. Machine Learning Research 9, 1871–1874 (2008)
4. Gehler, P.V., Nowozin, S.: On feature combination for multiclass object classification. In: Proceedings of the Twelfth IEEE International Conference on Computer Vision (2009)
5. Granlund, G.H.: In search of a general picture processing operator. In: Computer Graphics and Image Processing, pp. 155–173 (1978)