Fitzpatrick, ella, Harper & Scinto
Image processing apparatus including means for extracting an outline
 An image processing apparatus includes an input unit for inputting a color image signal, an extraction unit for extracting an outline portion from the color image signal, and an output unit for outputting the outline portion extracted by the extraction unit in multi-colors indicated by the color image signal. 
Canon Kabushiki Kaisha
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Mitsuru Yasumichi Yoshinori Toshiyuki Hiroyuki
Kurita Suzuki Ikeda Kitamura Ichikawa