Author

Bright Wiredu Nuakoh

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Preprint Oct 2026

Super-resolution as Spatial Downscaling: Coherence, Structure and Task Utility in Earth Observation

Learned satellite super-resolution is commonly assessed by pixel fidelity and potential downlink savings, but these criteria do not establish whether the reconstructed field preserves spatial structure or supports reliable downstream analysis. We treat single-image super-resolution as a spatial downscaling problem and...

Bright Wiredu Nuakoh, E. Afrifa-Yamoah · 0 citations

#machine learning Preprint Sep 2026

Semi-Supervised Learning under Spatially Biased Sampling

It is demonstrated that spatial non-stationarity contributes to performance loss independently of marginal mismatch and that models become increasingly overconfident outside the regions where labels are available, and introduced a kernel-weighted local divergence metric that provides a more stable estimate of spatial m...

Bright Wiredu Nuakoh, F. Fouedjio, Stephen Bradshaw et al. · 0 citations