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Inputs and parameters: |
โ(i) Images and defined on . |
โ(ii) Number of scales . |
โ(iii) A stopping criterion . |
โ(iv) Gaussian kernel variance of . |
Output: The displacement field . |
Algorithm: |
โ(4)โโInitialization: |
โโSet scale to and initialize on . |
โ (5)โโTransfer on grid : |
โโCompute Downj , Downj , |
โโand assign โโUp. |
โ (6) While is false, do: |
โโ(i) Warping: |
โโ(ii) Field computation: |
โโ(iii) Accumulation: |
โโ(iv) Regularization: |
โ (7) If , stop and return , |
โโelse, set and return to step (5). |
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