About SAGAWA KOICHI
About SUSUMAGO MITSUTOSHI
About INOOKA HIKARU
About 日本機械学会情報・知能・精密機器部門講演会講演論文集
About distance measurement
About Measuring methods and instruments of length,area,cross section,volume,angle
About 3次元
About 歩行距離
About 推定
About 積分
About 誤差