A spatiotemporal graph is built from raw events; its Laplacian eigenvectors, computed via a reordered matrix using an event-density prior, are used to filter noise events.
Neuromorphic camera denoising using graph neural network-driven transformers,
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Denoising for Neuromorphic Cameras Based on Graph Spectral Features
A spatiotemporal graph is built from raw events; its Laplacian eigenvectors, computed via a reordered matrix using an event-density prior, are used to filter noise events.