| 基于外极线分区的动态立体匹配算法 |
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| 引用本文： | 彭军舰,刘霁,耿沿锋,韩建达,唐延东.基于外极线分区的动态立体匹配算法[J].计算机工程,2008,34(22):198-200. |
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| 作者姓名： | 彭军舰 刘霁 耿沿锋 韩建达 唐延东 |
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| 作者单位： | 1. 中国科学院沈阳自动化研究所机器人学国家重点实验室,沈阳,110016;中国科学院研究生院,北京,100049
2. 中国科学院沈阳自动化研究所机器人学国家重点实验室,沈阳,110016 |
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| 基金项目： | 中国科学院知识创新工程青年人才领域前沿基金资助项目(07A1210101) |
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| 摘 要： | 基于区域的立体匹配算法仅针对支撑窗内的灰度信息定义匹配代价函数，导致在弱(无)纹理区域采用WTA优化出现歧义性。该文在外极线分区的基础上，改用区域作为匹配基元，针对歧义性区域，在代价函数中引入遮挡项和平滑项，并按照区域优先级的高低，动态匹配相应区域，获得可靠的视差信息。实验证明，该算法在保持实时性的同时对弱纹理区域处理具有有效性。
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| 关 键 词： | 立体视觉 外极线分区 视差图 弱纹理区域 |
| 修稿时间： | |
Dynamic Stereo Matching Algorithm Based on Epipolar Line Segment |
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| PENG Jun-jian,LIU Ji,GENG Yan-feng,HAN Jian-da,TANG Yan-dong.Dynamic Stereo Matching Algorithm Based on Epipolar Line Segment[J].Computer Engineering,2008,34(22):198-200. |
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| Authors: | PENG Jun-jian LIU Ji GENG Yan-feng HAN Jian-da TANG Yan-dong |
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| Affiliation: | (1. State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049) |
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| Abstract: | In region-based stereo matching algorithm, the ambiguity parts, which can not be optimized by WTA, normally are considered as error matches and are discarded. This paper presents a novel approach based on epipolar line segment. It adopts 1-D region as match unit and introduces occlusion and smooth terms to construct a new match cost function, density disparity map can be obtained in virtue of static and dynamic matching strategy. Experimental results validate the algorithm to textureless regions and real-time. |
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| Keywords: | stereo vision epipolar line segment disparity map textureless region |
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