Multiple-valued feedback neural networks for image restoration. - Zhong-yu Chen; Mita D. Desai (ICIP (1), 1996)

Neural network with multiple-valued activation function. - Zhong-yu Chen (1996)

Feedforward Neural Networks with Multilevel Hidden Neurons for Remotely Sensed Image Classification. - Zhong-yu Chen; Mita D. Desai; Xiao-Ping (Steven) Zhang (ICIP (2), 1997)