Yimin Cheng, Yixiao Wang, Zonghui Zhang et al, Recognition of partially occluded objects using neural networks. In:ACCV\\'95 Second Asian Conference on Computer Vision,Singapore. December,1995,5-8.
[2]
D A Mitzas, B G Martzios. Recognition with neural classifer based on a fast polygon approximation technique. Pattern Recognition, 1994,27(5) : 927.