Research of map-making processes of Dewa-no-kuni-ezu used Image processing

1.江户时代出和国绘的制作过程研究出和国绘是德川政府所设的秋田县和山形县的图画地图。通过对出和国绘所在地的调查，确认了158幅地图的存在。从数量上看，出和国绘是日本国绘中数量最多的。根据以往的研究，国绘并非京丰时代所绘，但我们确认出和国绘是秋田汉和米泽汉所绘。以出和国江组的空间表现为例岩花昭思考了国江组中的圣山是如何在空间中排列的。渡边秀雄根据《出和国绘》中的交通表达进行了思考，并列出了保存在秋田档案馆的有关出和国绘的档案清单.小野寺敦尝试用图像处理的方法对出和国绘的图形进行变换。通过这种尝试，我可以明确区分草图图形和完整的地图图形。我了解到，汉族（氏族）需要修改边界线彻底，因为地图制作。

1. Research of map-making process of Dewa-no-kuni-ezu in the Edo eraDewa-no-kuni-ezu is pictorial maps of Akita and Yamagata prefectures set by the Tokugawa government.As a result of examined where Dewa-no-kuni-ezu is in existence, we confirmed existences of 158 maps.In number, Dewa-no-kuni-ezu is a large number of Kuni-ezu in Japan. According to former researches, Kuni-ezu wasn't drawn at Kyouhou time, but we confirmed that Dewa-no-kuni-ezu was drawn at its time by Akita-han and Yonezawa-han.2. A case study of Dewa-no-kuni-ezu's spatial expressionMichiaki Iwahana considered how holy mountaines drawn in Kuni-ezu are arranged in space. Hideo Watanabe considered by traffic expression drawn in Dewa-no-kuni-ezu, and made a list of archives concerning Dewa-no-kuni-ezu keeped at Akita archival library.3. Research of tranceformation of figure by map-making of Dewa-no-kuni-ezuAtsushi Onodera attempted tranceformation of figure of Dewa-no-kuni-ezu by image processing. Through this attempt, I can make a clear distinction between draft-map-figure and complete-map-figure. I comprehended that han (clan) needed to modify a boundary line through and through because of map-making.