coldftreg
This source code is a column-based version of DFT registration. It aligns every columns of a matrix to a reference vector.
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This source code is a column-based version of DFT registration. It aligns every column of a matrix X to a reference vector V.
The amount of shift estimated between X and V and be used to align another matrix Y as well. Please run demo.m to see an example.
It is useful in applications like Optical Coherence Tomography where there is sweep-to-sweep variation of the signals (columns of X) due to laser instability.
Version history:
- v1.0: first implementation.
- v2.0: support the case where length(V) < size(X, 1). Add mean subtraction to improve stability. Handle a corner case where the number of rows in X and Y is odd.
Please report bugs with this code to thnguyn@mit.edu.
Cite As
Tan Nguyen (2026). coldftreg (https://in.mathworks.com/matlabcentral/fileexchange/69818-coldftreg), MATLAB Central File Exchange. Retrieved .
Categories
Find more on Geometric Transformation and Image Registration in Help Center and MATLAB Answers
General Information
- Version 2.1 (7.19 MB)
MATLAB Release Compatibility
- Compatible with any release
Platform Compatibility
- Windows
- macOS
- Linux
