著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) D.S Guru and B.H Shekar and P Nagabhushan,A simple and robust line detection algorithm based on small eigenvalue analysis,Pattern Recognition Letters,0167-8655,Elsevier BV,2004-01,25,1,1-13,https://cir.nii.ac.jp/crid/1361981469384345856,https://doi.org/10.1016/j.patrec.2003.08.007