Moment-Based Image Normalization With High Noise-Tolerance. - Matthias Gruber; Ken-Yuh Hsu (IEEE Trans. Pattern Anal. Mach. Intell., 1997)

Confocal displacement sensor with varifocal lens. - Chun-Jen Weng; Tzu-Hsien Lan; Chi-Hung Hwang; Da-Ren Liu; Chih-Yen Chen; Pi-Ying Cheng; Ken-Yuh Hsu (I2MTC, 2015)