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An Improved Parallel Thinning Algorithm

He Yu Zhang Taiyi Chen Tinghuai  
One recent parallel thinning algorithm is analyzed on detail in this paper.The analytical emphasis is put on its pixel deletion conditions.It is shown that owing to the inherent faults in these conditions,not only all four elements of an isolated 2x2 square are removed but also there exist "worm eaten" response and "thin hair" phenomina in its result skeleton.Subsequently,an improved one is proposed which is also strictly 8 connected.Experiments indicate that the modification effectively overcomes the original's shortages and has a little better time efficiency.
【CateGory Index】: TP391.41
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Chinese Journal Full-text Database 1 Hits
1 WU Cheng-yong1,ZHANG Hong2,CHEN Shu-jiang1,ZAN Mei1 (1.School of Geographic Science and Tourism,Xinjiang Normal University,Urumqi,Xinjiang 830054;2.Forestry Survey and Design Institute of Xinjiang,Urumqi,Xinjiang 830001);A Vectorization Study of Scan Line Geographical Map[J];绵阳师范学院学报;2010-02
Chinese Journal Full-text Database 3 Hits
1 HAN Xue-pei ①②,XU Jian-gang①,FU Xiao-mao② (①Department of Urban and Resources, Nanjing University, Nanjing 210093, China; ②Research Institute of Mapping, East China Normal University, Shanghai 200062,China);A Study on Estimating Urban FAR Based on High-resolution Satellite Images[J];遥感信息;2005-02
2 Wu Huayi① Gong Jianya②\ Li Deren②(①Institute of Regional Planning, Hubei University, Wuhan, 430062)(②LIESMAS, WTUSM, Wuhan, 430070);NONBOUNDARY RUNLENGTH ENCODING SYSTEM FOR RASTER AND ITS RELEVANT ALGORITHMS[J];测绘学报;1998-01
3 He Yu Zhang Taiyi Chen Tinghuai;An Improved Parallel Thinning Algorithm[J];重庆大学学报(自然科学版);1997-06
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