Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TANAKA Hirotaka and HARA Yasuhiko and HOSOJIMA Yu and MIWA Tatahito,Improvement of Color of 2-dimensional Color Code Images,Journal of the Japan Society for Precision Engineering,09120289,The Japan Society for Precision Engineering,2012,78,11,998-1003,https://cir.nii.ac.jp/crid/1390282679774449280,https://doi.org/10.2493/jjspe.78.998