计算机工程与应用
計算機工程與應用
계산궤공정여응용
COMPUTER ENGINEERING AND APPLICATIONS
2009年
31期
180-182
,共3页
张量扩散%各向异性%逆扩散%指纹%图像增强
張量擴散%各嚮異性%逆擴散%指紋%圖像增彊
장량확산%각향이성%역확산%지문%도상증강
tensor diffusion%anisotropic%reverse diffusion%fingerprint%image enhancement
由热扩散方程给出了一种基于张量扩散的各向异性逆扩散图像增强方法.该方法在对指纹图像滤波的同时,不仅保护了指纹的纹线.而且增强了纹线.实验结果表明该方法比传统的中值滤波、高斯滤波具有增强边缘的效果,更适合纹理密集的指纹图像的处理.
由熱擴散方程給齣瞭一種基于張量擴散的各嚮異性逆擴散圖像增彊方法.該方法在對指紋圖像濾波的同時,不僅保護瞭指紋的紋線.而且增彊瞭紋線.實驗結果錶明該方法比傳統的中值濾波、高斯濾波具有增彊邊緣的效果,更適閤紋理密集的指紋圖像的處理.
유열확산방정급출료일충기우장량확산적각향이성역확산도상증강방법.해방법재대지문도상려파적동시,불부보호료지문적문선.이차증강료문선.실험결과표명해방법비전통적중치려파、고사려파구유증강변연적효과,경괄합문리밀집적지문도상적처리.
This paper gives an image enhancement method based on anisotropic tensor reverse diffusion from heat diffusion function.This method filters the fingerprint image,at the same time not only protect the fingerprint ridge,but enhance it. Experimental results show that this method has the effect of enhance edge compared with traditional method,such as medium filtering and Gaussian filtering,more suitable for dense texture image processing.
