激光与光电子学进展, 2020, 57 (12): 121504, 网络出版: 2020-06-03  

复杂光照场景的道路区域提取算法及Benchmark 下载: 878次

Road Region Extraction Algorithm and Benchmark for Complex Illumination Road Scene
作者单位
1 河北交通职业技术学院电气与信息工程系, 河北 石家庄 050091
2 东北大学信息科学与工程学院, 辽宁 沈阳 110819
摘要
针对复杂光照情况下的道路区域提取问题,提出一种基于颜色不变量和暗原色分割的道路区域提取算法,该算法通过正交分解法提取光照不变图像,并基于暗原色先验的道路图像聚类分割,提取图像的消失点等道路信息,构造软投票函数来判别道路区域,经过形态学处理得到最终精确的道路区域。为了有效评价复杂光照场景的道路区域提取算法的精度和效率,构建了一套复杂光照场景的道路图像数据集,并针对9种道路区域提取的算法构建了Benchmark。实验结果表明,所提方法能有效降低阴影等干扰因素的影响,与另外8种算法相比,本文算法能够实现与最新算法具有相近或更加准确的精度,并且本文算法在消失点位置提取准确时,道路的提取效果比其他算法更加完整和精确。此外,本文构建的数据集和Benchmark能够有效地用于测评复杂光照环境下道路区域提取算法的性能。
Abstract
For extracting the road under complex illumination environment, a road region extraction algorithm is proposed based on color invariant and dark primary color segmentation. The illumination invariant image is obtained with orthogonal decomposition method, and the road information such as vanishing point of image can be extracted based on the clustering segmentation of the dark primary color prior road image. The road region is identified by a constructed soft voting function, and the final accurate road is obtained after morphological processing. In order to effectively evaluate the accuracy and efficiency of the road region extraction algorithm on complex illumination scenes, we construct a complex illumination road scene image dataset for road region extraction and builds benchmark for nine road area extraction algorithms. Experimental results show that the proposed method can effectively reduce the influence of other interference factors such as shadow. Compared with the other eight algorithms, the proposed algorithm can achieve similar accuracy or more accurate than the latest algorithms. Moreover, when the extraction of vanishing point position is accurate, the road extraction performance is more complete and accurate than other algorithms. In addition, the dataset and benchmark built in this paper can effectively evaluate the performance of road region extraction algorithms in complex illumination environment.

杨景超, 李勇, 张建君. 复杂光照场景的道路区域提取算法及Benchmark[J]. 激光与光电子学进展, 2020, 57(12): 121504. Jingchao Yang, Yong Li, Jianjun Zhang. Road Region Extraction Algorithm and Benchmark for Complex Illumination Road Scene[J]. Laser & Optoelectronics Progress, 2020, 57(12): 121504.

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