Visual Spatial Learning: Single-Field Spatial Interpolation Using Convolutional Neural Networks
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866917544631205888 |
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| author | Tinoco, Daniel Menezes, Raquel Baquero, Carlos Silva, Alexandra |
| author_facet | Tinoco, Daniel Menezes, Raquel Baquero, Carlos Silva, Alexandra |
| contents | Predicting a complete spatially correlated field from sparse observations is a fundamental challenge in spatial statistics and environmental modelling. Classical interpolation methods such as Kriging rely on Gaussian process assumptions and variography, which can limit their effectiveness in non-stationary settings and require substantial domain expertise. In this work, we leverage an architecture based on convolutional neural networks (CNNs) for spatial interpolation that is trained and applied on a single partially observed field, without access to external data or prior fields. The model is supervised directly on the observed locations and learns to predict values at unobserved points on the user defined grid. Unlike Kriging, our method does not require explicit covariance modelling or variogram estimation, and it can flexibly capture local spatial patterns in a data-driven manner. This work demonstrates the potential of CNNs for single-instance spatial interpolation under sparse supervision, offering a practical alternative to classical geostatistical methods, and extending the use of CNNs to a new problem domain. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_30167 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Visual Spatial Learning: Single-Field Spatial Interpolation Using Convolutional Neural Networks Tinoco, Daniel Menezes, Raquel Baquero, Carlos Silva, Alexandra Machine Learning Computer Vision and Pattern Recognition Applications Predicting a complete spatially correlated field from sparse observations is a fundamental challenge in spatial statistics and environmental modelling. Classical interpolation methods such as Kriging rely on Gaussian process assumptions and variography, which can limit their effectiveness in non-stationary settings and require substantial domain expertise. In this work, we leverage an architecture based on convolutional neural networks (CNNs) for spatial interpolation that is trained and applied on a single partially observed field, without access to external data or prior fields. The model is supervised directly on the observed locations and learns to predict values at unobserved points on the user defined grid. Unlike Kriging, our method does not require explicit covariance modelling or variogram estimation, and it can flexibly capture local spatial patterns in a data-driven manner. This work demonstrates the potential of CNNs for single-instance spatial interpolation under sparse supervision, offering a practical alternative to classical geostatistical methods, and extending the use of CNNs to a new problem domain. |
| title | Visual Spatial Learning: Single-Field Spatial Interpolation Using Convolutional Neural Networks |
| topic | Machine Learning Computer Vision and Pattern Recognition Applications |
| url | https://arxiv.org/abs/2605.30167 |