光流(optical flow):
几个OpenCv实现了的测定算法:
Lucas–Kanade method 中文解释:中文解释 Lucas-Kanade 算法
- The Gunnar-Farneback optical flow
用Gunnar Farneback 的算法计算稠密光流(即图像上所有像素点的光流都计算出来)。它的相关论文是:"Two-Frame Motion Estimation Based on PolynomialExpansion"
Two-Frame Motion Estimation Based on Polynomial Expansion论文地址
- block matching method
依赖于块匹配方法,OpenCv的API 是: CalcOpticalFlowBM.
- Horn–Schunck method 用Horn-Schunck 的算法计算稠密光流。OpenCv的API是 CalcOpticalFlowHS.
- SimpleFlow