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一种基于形状约束势能的主动轮廓跟踪算法
Alternative TitleA Novel Active Contour Model for Object Tracking Based on the Potential Energy of Shape Restriction
闵莉; 黄莎白; 史泽林; 唐延东
Department光电信息研究室
Source Publication模式识别与人工智能
ISSN1003-6059
2006
Volume19Issue:2Pages:161-166
Indexed ByEI ; CSCD
EI Accession number2006239926268
CSCD IDCSCD:2349801
Contribution Rank1
Funding Organization中国科学院科技创新基金(No.A010416)
Keyword主动轮廓模型 曲率 目标跟踪 形状约束势能
Abstract将基于轮廓曲率的帧间几何形状约束势能,与目标区域信息和边缘梯度信息相结合,定义新的主动轮廓跟踪模型.该模型可以克服弱边缘及强背景等噪声对轮廓的吸引和干扰,同时保持目标的基本形状,实现和改善对具有尖角、深凹等不规则形状目标的边缘跟踪.采用基于块匹配的边界仿射变换方法对主动轮廓的初始位置进行估计,使其更接近目标的真实边缘.实验结果表明,该算法具有较好的边缘跟踪和抗复杂背景的能力.
Other AbstractA novel active contour model for object tracking based on shape restriction is presented in this paper.Contour curvature prior is used to define potential energy of shape restriction and then integrated with region and gradient information of image to formulate the active contour model for tracking.With curvature restriction,this model can correct the wrong deformation caused by weak gradient of object boundary and cluttered background.It also maintains the overall structure of object and tracks object with irregular shape in image sequences.Furthermore,the initial contour is estimated using affine transformation based on the block-matching.The model is applied to tracking IR car target in cluttered background and aircraft target in image sequences.Experimental results show that the proposed model has robust tracking performance in cluttered background and shape-preserving.
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/5860
Collection光电信息技术研究室
Corresponding Author闵莉
Affiliation中国科学院沈阳自动化研究所
Recommended Citation
GB/T 7714
闵莉,黄莎白,史泽林,等. 一种基于形状约束势能的主动轮廓跟踪算法[J]. 模式识别与人工智能,2006,19(2):161-166.
APA 闵莉,黄莎白,史泽林,&唐延东.(2006).一种基于形状约束势能的主动轮廓跟踪算法.模式识别与人工智能,19(2),161-166.
MLA 闵莉,et al."一种基于形状约束势能的主动轮廓跟踪算法".模式识别与人工智能 19.2(2006):161-166.
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