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背景差分法和背景相减法的一些例子

于 2022-03-18 发布 文件大小:494.06 kB
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背景差值法检测运动目标速度快,检测准确,易于实现。由于背景图像的动态变化,需要通过视频序列的帧间信息来估计和恢复背景,即背景重建,所以要选择性的更新背景。然而它对于动态场景的变化,例如光照的变化和阴影的干扰等特别敏感。因此,选取一个可靠的背景模型进行背景的提取与动态更新以适应环境的变化是必要的。

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