计算机科学 ›› 2014, Vol. 41 ›› Issue (6): 269-274.doi: 10.11896/j.issn.1002-137X.2014.06.053
徐航,臧笛,程成,张亚英
XU Hang,ZANG Di,CHENG Cheng and ZHANG Ya-ying
摘要： 在交通监控录像中快速准确地检索匹配肇事车辆是智能交通系统的重要任务。与传统的匹配方法相比,视觉注意模型融合了多种底层特征,为肇事车辆匹配提供了新的思路。针对车辆匹配的特点,提出了一种新的颜色信息提取方法,并在四元数数学框架下与亮度、方向特征相结合,将标量显著性转换成四元数显著性,提出了一种四元数视觉注意模型。将四元数显著性作为新的特征用于肇事车辆匹配。实验表明,该匹配方法可以根据肇事车辆信息有效地缩小搜索范围,具有较好的准确性和鲁棒性。
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