II-LK – A Real-Time Implementation for Sparse Optical Flow
Inthispaperwepresentanapproachtospeedupthecomputationofsparseopticalflowfieldsbymeansofintegralimagesandprovideimplementationdetails.ProposingamodificationoftheLucas-Kanadeenergyfunctionalallowsustouseintegralimagesandthustospeedupthemethodnotablywhileaffectingonlyslightlythequali
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这篇文章，说实话，可用性不是很高
学习一下，还不知道有没有用