Qian Wang, Tao Xia, Lida Li, Chew Lim Tan. Document Image Enhancement Using Directional Wavelet. In 2003 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2003), 16-22 June 2003, Madison, WI, USA. pages 534-542, IEEE Computer Society, 2003. [doi]
Abstract is missing.