| 一种新的基于DoG的立体匹配算法 |
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| 引用本文： | 游磊,杨丹,张小洪.一种新的基于DoG的立体匹配算法[J].重庆工学院学报,2009,23(1):122-126,160. |
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| 作者姓名： | 游磊 杨丹 张小洪 |
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| 作者单位： | 重庆大学数理学院;重庆大学软件学院; |
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| 基金项目： | 重庆大学研究生科技创新基金资助项目(200801A1B0290288) |
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| 摘 要： | 针对双目立体匹配中由于噪声和遮掩的影响产生模糊视差点的问题,提出了一种新的基于difference of gaussian(DoG)的立体匹配算法.该算法在the sumof absolutes(SAD)算法提取初步视差图的基础上,采用DoG算法来分析噪声等对视差图的影响,通过设定阈值筛选出模糊点,最后使用多重视差假定算法修补模糊点.实验证明,在SAD算法的基础上使用该算法可获得较好的匹配效果.
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| 关 键 词： | 立体匹配 视差 高斯差分滤波器 模糊点 |
A New Stereo Matching Algorithm Based on Difference of Gaussian |
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| YOU Leia,YANG Danb,ZHANG Xiao-hongb.A New Stereo Matching Algorithm Based on Difference of Gaussian[J].Journal of Chongqing Institute of Technology,2009,23(1):122-126,160. |
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| Authors: | YOU Leia YANG Danb ZHANG Xiao-hongb |
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| Affiliation: | a.College of Mathematics & Physics;b.College of Software Engineering;Chongqing University;Chongqing 400044;China |
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| Abstract: | In view of the problem that the noise and occlusion in stereo matching may bring some ambiguous points,a new stereo matching algorithm based on DoG is proposed in this paper.Firstly it calculates disparity map using the Sum of Absolutes(SAD) in the original image,then a threshold map can be obtained after Difference of Gaussian is applied to disparity map.Secondly,Gauss filters under different parameters are applied to the original image,and some different disparity maps are obtained using the Sum of Absolu... |
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| Keywords: | stereo matching disparity Difference of Gaussian ambiguous point |
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