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《Computer Engineering》 2010-04
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New GVF Model Based on Non-linear Diffusion

WANG Yu,ZHANG Jian-wei,CHEN Yun-jie,ZHAN Tian-ming,RUAN Jing (College of Math & Physics,Nanjing University of Information & Technology,Nanjing 210044)  
A new improvement based on Gradient Vector Flow(GVF) model is put forward,in order to solve the problem brought about by linear diffusion that the traditional GVF model will often blur the boundary of object map and weak boundary leaking. This improvement adopts eight directional non-linear diffusion to keep the boundary of object map,and makes use of a new coefficient of fidelity term which have a faster descent speed to strengthen Snake to segment the depression part. Theoretical analysis and experimental result show that,this new improvement has better ability to segment the depression,and has better robustness concerning weak boundary leaking.
【Fund】: 国家自然科学基金青年基金资助项目(60805003);; 香港特区政府研究资助局基金资助项目(CUHK/4185/00E)
【CateGory Index】: TP391.41
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 YUAN Weiqi, MA Junfang (Computer Vision Institute, Shenyang University of Technology, Shenyang 110023);Effects on Snake due to Salt & Pepper Noise in Active Contour Model[J];Computer Engineering;2003-21
【Secondary Citations】
Chinese Journal Full-text Database 2 Hits
1 Li Xiying,Ni Guoqiang Department of Optical Engineering,Beijing Institute of Technology,Beijing,100081;AN AUTOMATIC ACTIVE CONTOUR ALGORITHM FOR EXTRACTING OBJECT[J];Acta Photonica Sinica;2002-05
2 FENGJiong, QIFei hu Dept. ofCom puterSci. & Eng., ShanghaiJiaotong Univ., Shanghai200030, China;Snake Algorithm Using Grow ing Phase Analysis[J];JOURNAL OF SHANGHAI JIAOTONG UNIVERSITY;1999-09
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