Breast Tumor Classification of Ultrasound Images Using a Reversible Round-Off Nonrecursive 1-D Discrete Periodic Wavelet Transform. - Hsieh-Wei Lee; Bin-Da Liu; King-Chu Hung; Sheau-Fang Lei; Chin-Feng Tsai; Po-Chin Wang; Tsung-Lung Yang; Juen-Sean Lu (IEEE Trans. Biomed. Eng., 2009)