Nuth & Kaab (2011) DEM coregistration implemented from scratch - characterising the coupling between its two correction steps, and why alternating to convergence removes it.
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Updated
Aug 4, 2026 - Jupyter Notebook
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xdem
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Minimal reproduction on xDEM's bundled example DEMs: a single NuthKaab fit returns an affine shift contaminated by elevation-dependent bias, scaling with bias magnitude - and invisible in the aligned product.
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Updated
Aug 6, 2026 - Jupyter Notebook
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