Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TERADA Kenji and HANAOKA Shinobu and MIZUKAMI Sachiko and YAMAGUCHI Jun'ichi,Counting the People under Congestion using Hough Transform,The Journal of the Institute of Image Electronics Engineers of Japan,02859831,The Institute of Image Electronics Engineers of Japan,2002,31,1,78-86,https://cir.nii.ac.jp/crid/1390001204611484544,https://doi.org/10.11371/iieej.31.78