The following publications are possibly variants of this publication:
- A New Recognition Method for Stamped and Painted AlphanumeralsTomoaki Nakano, Shin Yamamoto, Norio Takeda. scjapan, 21(4):26-35, 1990. [doi]
- A new video-thresholding method for recognition of low-quality stamped alphanumeralsTomoaki Nakano, Osamu Ozeki, Shin Yamamoto. scjapan, 18(6):60-70, 1987. [doi]
- Stamped character recognition method using range imageTakahiko Horiuchi, Kazuo Toraichi, Hiromitsu Yamada, Kazuhiko Yamamoto. icdar 1993: 782-785 [doi]