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Efficient subpixel image registration algorithms
Abstract
Three new algorithms for 2D translation image registration to within a small fraction of a pixel that use nonlinear optimization and matrix-multiply discrete Fourier transforms are compared. These algorithms can achieve registration with an accuracy equivalent to that of the conventional fast Fourier transform upsampling approach in a small fraction of the computation time and with greatly reduced memory requirements. Their accuracy and computation time are compared for the purpose of evaluating a translation-invariant error metric.
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Metadata
- Authors
- Guizar-Sicairos, M., Thurman, S. T., & Fienup, J. R.
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2008-01-10
- Volume
- 33
- Issue
- 2
- Pages
- 156
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W2081321639
- Cited by
- 1,905
- References
- 0
- FWCI
- 46.78
- Type
- journal article
- Language
- en
- Open access
- closed
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- Guizar-Sicairos, M., Thurman, S. T., & Fienup, J. R. (2008). Efficient subpixel image registration algorithms. Optics Letters. https://doi.org/10.1364/ol.33.000156
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