High-speed hough transform processor and its applications to automatic inspection and measurement. - Keishi Hanahara; Tsugito Maruyama; Takashi Uchiyama (ICRA, 1986)

A Real-Time Processor for the Hough Transform. - Keishi Hanahara; Tsugito Maruyama; Takashi Uchiyama (IEEE Trans. Pattern Anal. Mach. Intell., 1988)

A circle-detection algorithm simulating wave propagation. - Keishi Hanahara; Masao Hiyane (Mach. Vis. Appl., 1991)