卷帘式快门CMOS数字相机测速算法

为精简相机测速成图像的处理过程, 在研究卷帘式快门相机的工作原理及特点的基础上, 建立了三维空间目标与相机成像目标间的透视投影模型, 并对空间运动目标和平面运动目标的测速算法进行了详细的理论推导和实验测试。结果表明, 采用卷帘式快门CMOS数字相机的测速方法可准确测量平面运动目标的位姿和速度, 测试结果可靠, 测速精度误差在允许范围内（3%）, 在未来的交通监管领域有广阔的发展空间和应用前景。

Speed Measurement Algorithm Based on CMOS Digital Camera with Rolling Shutter

In order to streamline the camera speed in image processing, we introduce the work principle of rolling shutter camera. The perspective projection model of three dimensional space goals and camera imaging target is established. And a detailed theoretical derivation of the velocity measurement algorithms for moving target in space and plane is given. Finally, this velocity measurement method was experimental. The results show that the velocity measuring method using the rolling shutter CMOS digital camera can measure the moving target position and velocity parameters in plane. The test result is reliable, and accuracy error of measuring velocity is within the allowable range(3%).This method will have wide development and application prospect in the future traffic regulation fields.