This project forked from seattlegirl/opticalflow
python实现几个opencv中的光流法函数
通过金字塔Lucas-Kanade 光流方法计算某些点集的光流（稀疏光流）。
相关论文：”Pyramidal Implementation of the Lucas Kanade Feature TrackerDescription of the algorithm”
代码实现:calcOpticalFlowPyrLK.py
环境：python3+opencv3
用Gunnar Farneback 的算法计算稠密光流（即图像上全部像素点的光流都计算出来）。
相关论文："Two-Frame Motion Estimation Based on PolynomialExpansion"
代码实现:Gunnar_Farneback.py
环境：python3+opencv3
通过块匹配的方法来计算光流。
代码实现:CalcOpticalFlowBM.py
环境：python2+opencv2
用Horn-Schunck 的算法计算稠密光流。
代码实现:CalcOpticalFlowHS.py
环境：python2+opencv2
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