计算机科学 ›› 2014, Vol. 41 ›› Issue (10): 36-41.doi: 10.11896/j.issn.1002-137X.2014.10.008
罗廷金,张军,廉蔺,徐树奎,李国辉
LUO Ting-jin,ZHANG Jun,LIAN Lin,XU Shu-kui and LI Guo-hui
摘要： 分支点是多传感器图像之间一种重要的关联特征,因此分支点匹配对多传感器图像配准有着十分重要的意义。基于CPD的基本思想提出了一致分支点漂移算法。针对分支点自身特点,提出了局部结构相容度的概念,用于度量和检验两个分支点的一致性程度；并将其作为匹配约束项嵌入到高斯混合模型分量的后验概率计算中,有效利用了分支点包含的分支边缘等结构信息,同时增强了算法对噪声和外点等干扰因素的抵抗能力,提高了分支点匹配的收敛速度。实验结果表明,提出的一致分支点漂移算法比CPD算法能够更快收敛到最优参数集上,同时得到的分支点配准精度更高。
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