(1) M. Yauchida : Computer Vision, Maruzen (1990) (in Japanese)
谷内田正彦:コンピュータビジョン,丸善 (1990)
(2) A. Takahashi, and S. Ohuch : “Development of the size measurement equipment by image processing”, Fukushima high-tech plaza examination research report (2001)
(3) M. Ejiri : The volume on bottom volume applied technology of an image-processing industrial application conspectus., FUJI techno system (1994) (in Japanese)