1. Mckee, J.W., Aggarwal, J.K.: Computer recognition of partial views of curved objects. IEEE Transactions on Computers C-26, 790–800 (1977)
2. Hoque, S., Sirlantzis, K., Fairhurst, M.C.: A New Chain-code Quantization Approach Enabling High Performance Handwriting Recognition based on Multi-Classifier Schemes, ICDAR. In: Seventh International Conference on Document Analysis and Recognition (ICDAR 2003), vol. 2, p. 834 (2003)
3. Freeman, H.: On the encoding of arbitrary geometric configurations. IRE Transactions on Electronic Computers EC-10, 260–268 (1961)
4. Lecture Notes in Computer Science;H. Sánchez-Cruz,2006
5. Salem, M., Sewisy, A., Elyan, U.: A Vertex Chain Code Approach for Image Recognition. ICGST International Journal on Graphics, Vision and Image Processing 5(3) (2005)