[1] Junxia Gu, Changsong Liu, Xiaoqing Ding, Kongqiao Wang, "Segmentation and recognition system of handwritten chinese bank check amounts", CHINESE JOURNAL OF ELECTRONICS, Vol.17, No.1, JAN 2008, pp.37-42

[2] Xiaolu Shen, Changsong Liu, Xiaoqing Ding, "Text line extraction in free style document", Proceedings of SPIE-IS and T Electronic Imaging - Document Recognition and Retrieval XVI、January 2009

[3] Yu Zhang, Changsong Liu, Xiaoqing Ding, Yanming Zou, "Arbitrary warped document image restoration based on segmentation and thin-plate splines", 19th International Conference on Pattern Recognition, Dec. 2008

[4] Changsong Liu, Xiaoqing Ding, "Study of Character Recognition Using Writing Style Consistent", ACTA AUTOMATICA SINICA, Vol.33, No.11, 2007, pp.1121-1127

[5] Junqing Shang, Changsong Liu, Xiaoqing Ding, "OCR result optimization based on pattern matching", Document Recognition and Retrieval XIV, Jan 30-Feb 1 2007, pp.650009

[6] Junqing Shang, Changsong Liu, Xiaoqing Ding, "Lossy JBIG2 based on optical character recognition", JOURNAL OF TSINGHUA UNIVERSITY(SCIENCE AND TECHNOLOGY), Vol.46, No.7, 2006, pp.1247-1249, 1253

[7] Changsong Liu, Xiaoqing Ding, "Automatic style clustering of printed characters in form images" Proceedings of SPIE , v 5676, 2005, p175-182

[8] Zhengbin Yao, Xiaoqing Ding, Changsong Liu, "On-line handwritten Chinese word recognition based on lexicon", 18th International Conference on Pattern Recognition (ICPR'06), 2006, pp. 320-323

[9] Xuewen Wang, Xiaoqing Ding, Changsong Liu, "Gabor filters-based feature extraction for character recognition", Pattern Recognition, Vol.38 , 2005, pp.369-379