Chun-Hung Ko

High-resolution through-focus metric with two-pitch grating target

Mao-hong Lu, D. Shyu,, Chun-Hung Ko, 2007 .

Method of characteristic signatures matching through discrepancy enhanced library generation process

Nigel Smith, Yi-Sha Ku, Shih-Chun Wang, 2005, SPIE Optics + Photonics.