Non-Contact Colorimeter for Human Tooth Color Assessment Using a Digital Camera. - Du-Yong Ng; Jan P. Allebach; Zygmunt Pizlo; Mostafa Analoui (CIC, 2002)

A subspace matching color filter design methodology for a multispectral imaging system. - Du-Yong Ng; Jan P. Allebach (IEEE Trans. Image Process., 2006)