@techreport{weko_41027_1, author = "新井,悠祐 and 甲藤二郎", title = "JPEG圧縮における画質改善方法の比較検討", year = "2008", institution = "早稲田大学理工学部, 早稲田大学理工学部", number = "22(2008-AVM-060)", month = "mar" }