1. S.A. Husain, A. Sajjad, F. Anwar, Online Urdu character recognition system, in: IAPR Conference on Machine Vision Applications, Japan, 2007.
2. S. Malik, S.A. Khan, Urdu online handwriting recognition, in: Proceedings of the IEEE Symposium on Emerging Technologies, Islamabad, 2005.
3. M. Hussain, N.M. Khan, Urdu character recognition using spatial temporal neural network, in: 9th International Multitopic Conference, Karachi, 2005.
4. M. Nakai, N. Akira, H. Shimodaira, S. Sagayama, Sub-stroke approach to HMM-based on-line Kanji handwriting recognition, in: 6th International Conference on Document Analysis and Recognition (ICDAR’01), 2001.
5. F. Biadsy. J. El-Sana, N. Habash, Online Arabic handwriting recognition using Hidden Markov Models, in: 10th International Workshop on Frontiers in Handwriting Recognition, 2006.