Unsupervised Cell Segmentation by Fast Gaussian Processes // Performs fast Gaussian process-based segmentation of microscopy images using spatial smoothing and data-driven thresholding. Code based on Baracaldo, L., King, B., Yan, H., Lin, Y., Miolane, N., Gu, M. (2025). "Unsupervised cell segmentation by fast Gaussian processes." arXiv preprint doi:10.48550/arXiv.2505.18902.