%0 Journal Article %T Method for fingerprint image binarization using difference
指纹图像差分二值化算法 %A CHEN Da-hai %A GUO Lei %A CHANG Jiang %A LI Hai %A
郭雷 陈大海 %A 常江 %A 李海 %J 计算机应用 %D 2007 %I %X Binarization is one important step in automatic digital fingerprint identification.Selection of threshold will greatly influence the effect of binarization,as well as the number of valid features.In this paper,we proposed a new phase remove smoothing and difference method for fingerprint image binarization,which moves the threshold of background and foreground toward 0 point.Experiments show that this method can reduce the sensitivity of threshold selection,and at the same time can keep the valid fingerprint features after binarization. %K fingerprint %K phase remove %K smoothing %K difference %K binarization
指纹 %K 相位移动 %K 模糊 %K 差分 %K 二值化 %K 指纹自动识别 %K 图像差分 %K 二值化算法 %K difference %K binarization %K image %K fingerprint %K 特征数量 %K 问题 %K 敏感 %K 直方图 %K 分割点 %K 前景和背景 %K 处理方法 %K 图像二值化 %K 移动模糊 %K 相位 %K 效果 %K 二值化处理 %K 影响 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=831E194C147C78FAAFCC50BC7ADD1732&aid=7EB4F89C56892AD623FA0E36934A3F3A&yid=A732AF04DDA03BB3&vid=DB817633AA4F79B9&iid=CA4FD0336C81A37A&sid=954CE65414DD94CA&eid=73579BC9CFB2D787&journal_id=1001-9081&journal_name=计算机应用&referenced_num=9&reference_num=8