2-Level-Wavelet-Based License Plate Edge Detection. - Ming-Kan Wu; Jing-Siang Wei; Hao-Chung Shih; Chian C. Ho (IAS, 2009)

Real-time license plate detection system with 2-level 2D Haar Wavelet transform and Wiener-deconvolution vertical edge enhancement. - Shih-Jui Yang; Jia-Bin Jiang; Ming-Kan Wu; Chian C. Ho (ICICS, 2013)