The algorithm of extraction of human head characteristic curve against a dynamic background low definition and specific shooting angle is presented. And the parameter estimating of ellipse template through partial ellipse is presented.
通过分析现场行人视频数据,运用图像处理的方法提取图像中通行的行人以及通过视场内的人流量,阐述了复杂背景、低分辨率和特殊拍摄角度条件下的人头特征曲线提取算法和基于部分椭圆弧的椭圆模板参数估算法,试验结果表明了该算法的正确性和有效性。
参考来源 - 基于计算机视觉的公交系统人流量检测算法 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
Shooting Angle with the main emphasis. It should be noted, does not apply extreme Angle of depression or elevation.
用拍摄角度来着重强调主体。但须注意，不应用极度的俯角或仰角。
In handball matches, to choice the reasonable shooting area and to control the shooting Angle and the scoring chance to finish shooting are the important factors for improving shooting percentage.
手球比赛中，进攻队员合理选择射门区域、掌握射门角度与时机，完成射门技术是提高射门命中率的重要因素。
The simulation results showed that this algorithm improves the identification speed greatly and realizes the control of shooting Angle for the high speed vidicon, so as to track the target real time.
仿真结果表明，该算法大大提高了识别速度，实现了对高速摄像机拍摄角度的控制，进而对目标进行实时跟踪。
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