1. NECTEC.: OCR ArnThai service, http://arnthai.nectec.or.th/. Accessed 28 Feb 2015
2. LeCun, Y., Kavukcuoglu, K., Farabet, C.: Convolutional networks and applications in vision. In: Proceedings of 2010 IEEE International Symposium on Circuits and Systems (ISCAS), pp. 253–256 (2010)
3. Bouchain, D.: Character recognition using convolutional neural networks. In: Institute for Neural Information Processing (2007)
4. Simard, P. Y., Steinkraus, D., Platt, J.C.: Best practices for convolutional neural networks applied to visual document analysis. In: Proceedings of the 7th International Conference on Document Analysis and Recognition, pp. 958–963. (2003)
5. Lauer, F., Suen, C.Y., Bloch, G.: A trainable feature extractor for handwritten digit recognition. Pattern Recogn. 40(6), 1816–1824 (2007)