Numerical recipes in C (2nd ed.): the art of scientific computing
Numerical recipes in C (2nd ed.): the art of scientific computing
Accurate Estimation of Motion Vectors Using Active Block Matching
RSCTC '00 Revised Papers from the Second International Conference on Rough Sets and Current Trends in Computing
ICCV '98 Proceedings of the Sixth International Conference on Computer Vision
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We propose an adaptive robust estimation algorithm for filtering motion vectors. We first extract motion vectors from consecutive images by using size-variable block matching and then apply the extracted motion vectors to adaptive robust estimation to filter them. The proposed robust estimation defines a sigmoid weight function, and eliminates outliers by gradually tuning the sigmoid function to the hard limit as the error between model parameters and input data is minimized.