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Image Alignment Algorithms - Part II

, 21 Apr 2008
Implementing and comparing the forwards compositional and the Hager-Belhumeur algorithms.
params: 0 5 -5 1

===============================================
Algorithm: forwards additive.
Caclulation time: 0.859 sec.
Iteration count: 100
Approximation: wz_a=0.000033 tx_a=4.922704 ty_a=-4.254802 s_a=1.000752
Epsilon: 0.000010
Resulting mean error: 3.328212
===============================================

===============================================
Algorithm: inverse additive.
Caclulation time: 0.594 sec.
Iteration count: 100
Approximation: wz_a=0.000049 tx_a=4.899573 ty_a=-4.299152 s_a=1.000987
Epsilon: 0.000010
Resulting mean_error: 3.337578
===============================================

===============================================
Algorithm: forwards compositional.
Caclulation time: 1.078 sec.
Iteration count: 100
Epsilon: 0.000010
Resulting mean error: 3.367346
===============================================

===============================================
Algorithm: inverse compositional.
Caclulation time: 0.469 sec.
Iteration count: 100
Epsilon: 0.000010
Resulting mean_error: 3.341545
===============================================

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About the Author

Oleg Krivtsov
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Russian Federation Russian Federation
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