Yamasaki, Issei A method for two-valuing of printed images. (English) Zbl 0336.68043 Inform. Processing Japan 15, 152-157 (1975). MSC: 68T10 PDFBibTeX XMLCite \textit{I. Yamasaki}, Inf. Process. Japan 15, 152--157 (1975; Zbl 0336.68043)
Kuwabara, Kyoko; Yamasaki, Issei; Iijima, Taizo On computational methods for the centroid and spread of character images. (English) Zbl 0267.68049 Inform. Processing Japan 12, 142-146 (1972). MSC: 68T10 PDFBibTeX XMLCite \textit{K. Kuwabara} et al., Inf. Process. Japan 12, 142--146 (1972; Zbl 0267.68049)
Iijima, Taizo; Yamasaki, Issei; Yoshimura, Mitsu On the centroid and the spread of a character figure. (English) Zbl 0255.68031 Inform. Processing Japan 9, 23-30 (1969). MSC: 68T10 PDFBibTeX XMLCite \textit{T. Iijima} et al., Inf. Process. Japan 9, 23--30 (1969; Zbl 0255.68031)