| 基于极点与极性的车辆分割及阴影处理方法 |
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| 引用本文： | 温惠英,徐建闽,刘利频.基于极点与极性的车辆分割及阴影处理方法[J].南京航空航天大学学报(英文版),2006,23(1):65-71. |
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| 作者姓名： | 温惠英 徐建闽 刘利频 |
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| 作者单位： | 华南理工大学交通学院,广州,510640,中国 |
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| 摘 要： | 视频交通参数检测中的车辆分割需要准确地检测与车辆连在一起的阴影和车灯产生的亮斑。一般地，路面与车辆的图像在灰度结构上存在显著差异。本文推导了图像在光照变化情况下的一种灰度结构——极点与极性分布图，并提出了一个基于该分布图的车辆阴影与亮斑检测算法。该算法能够精确地检测车辆阴影，车灯照射产生的路面亮斑和因其他原因被误为车辆的路面。该方法使用对光照变化不敏感的灰度结构，阴影检测准确而稳定，计算量小。
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| 关 键 词： | 灰度结构 极点图 极性图 阴影检测 车辆分割 |
| 收稿时间： | 02 9 2005 12:00AM |
| 修稿时间： | 12 29 2005 12:00AM |
VEHICLE SEGMENTATION AND SHADOW HANDLER BASED ON EXTREMUM IMAGE |
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| Wen Huiying,Xu Jianmin,Liu Lipin.VEHICLE SEGMENTATION AND SHADOW HANDLER BASED ON EXTREMUM IMAGE[J].Transactions of Nanjing University of Aeronautics & Astronautics,2006,23(1):65-71. |
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| Authors: | Wen Huiying Xu Jianmin Liu Lipin |
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| Institution: | College of Traffic and Communications, South China University of Technology, Guangzhou, 510640,P, R, China |
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| Abstract: | The shadows similar to the vehicle and the spots caused by vehicle lamps need to be accurately detected in the vehicle segmentation involved in the video-based traffic parameter measurement. Generally, the road surface is different from the vehicle surface in the gray-level architecture. An invariant gray-level architecture-the extremum image in the changing illumination environment is derived and a novel algorithm is presented for detecting shadows and spots. The gray-level structure that is not sensitive to the illumination is employed in the algorithm and the road surface mistaken as vehicles can be removed. |
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| Keywords: | gray-level structure extremun point image extremum polarity image shadow detecting vehicle segmentation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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