Lin, Kuen-ChyungKuen-ChyungLin李嗣涔Lee, Si-ChenSi-ChenLee2009-02-042018-07-062009-02-042018-07-061994http://ntur.lib.ntu.edu.tw//handle/246246/121157Yokohama, Japanen-USActive Hollow Four Quadrant Orientation Detector Array for Application to Pattern Recognitionconference paper