Distortion invariant character recognition by a multi-layer perceptron and back-propagation learning. - Alireza Khotanzad; Jiin-Her Lu (ICNN, 1988)

Object recognition using a neural network and invariant Zernike features. - Alireza Khotanzad; Jiin-Her Lu (CVPR, 1989)

Classification of invariant image representations using a neural network. - Alireza Khotanzad; Jiin-Her Lu (IEEE Trans. Acoust. Speech Signal Process., 1990)