A Robust Vision System against the Change of Lighting Condition. - Keiichi Yamada; Morimichi Mizuno; Toshihiko Tsukada; Shin Yamamoto (MVA, 1996)

Moving-vehicle license plate recognition method robust to changes in lighting conditions. - Takashi Naito; Toshihiko Tsukada; Keiichi Yamada; Shin Yamamoto (Syst. Comput. Jpn., 2000)

Robust license-plate recognition method for passing vehicles under outside environment. - Takashi Naito; Toshihiko Tsukada; Keiichi Yamada; Kazuhiro Kozuka; Shin Yamamoto (IEEE Trans. Veh. Technol., 2000)