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融合实时交通状态信息的道路背景更新模型

, PP. 115-120

Keywords: 智能交通系统,背景更新,背景帧提取模型,交通状态检测

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Abstract:

针对道路背景的提取和更新效果受实时交通流状态影响的问题,提出了一种用于交通视频监控场景下的融合实时交通状态信息的道路背景更新模型和实现方法。该方法通过构建宏观交通状态参数特征集估计道路实时的交通状态信息,在传统方法基础上融合交通状态信息建立选择性背景帧提取模型,改进背景更新候选帧的选取条件,通过光照变化来估测道路背景的更新频率并自适应地提取背景更新区域。试验表明该方法在道路交通顺畅和拥堵状态时,均能有效地提取道路背景,大大地提高背景更新的收敛速度。

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