CASIA OpenIR  > 智能制造技术与系统研究中心  > 多维数据分析
Subpixel edge location using improved LSR
Yi Mo; Liu Zhongxuan; Peng Silong; Mo Yi
Conference Name2005 IEEE Networking Sensing and Control ICNSC2005
Pagespp 970-975
Conference Date2005/3/19-2005/3/22
Conference PlaceUnited statesTucson AZ United states
AbstractSubpixel methodsfor edge location are of significant hpFtaoee in computer vision and other applications. Such methodsoffenuse local surfacemodelsor polynomial approximation for a local neighborhoodto obtain the subpixeledge location. Whereas their performance are good in smooth area they are typically poor to deal with singularities presented in discrete data and bring discontinuous edge location. In this paper we propose an hnproved level set mnstruction(1LSR) technique to overcome these limitations by locating curves while: 1) obtaining continuous and smooth curve and 2) keeping edge especially corner location precisian. This is accomplished by lLSB scheme in which curves are smoothed along isophotes with anchor and tapohgy constraints at corners which are guided by comer judgement.Thismethodresults in subpixel locationwith accurate edge position.
Document Type会议论文
Corresponding AuthorMo Yi
Recommended Citation
GB/T 7714
Yi Mo,Liu Zhongxuan,Peng Silong,et al. Subpixel edge location using improved LSR[C],2005:pp 970-975.
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