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ChangeJEPA: Predict Before You Compare for Remote Sensing Change Detection
Buddhi Wijenayake, Dhananjaya Jayasundara, Vishal M. Patel
Remote sensing change detection is typically formulated as Siamese feature comparison, where two images are encoded independently and a decoder determines which discrepancies corre…
SymKL: A Unified Representation-Space Measure of Signal Degradation
Dhananjaya Jayasundara, Sudarshan Rajagopalan, Vishal M. Patel
Quantifying degradation between a pristine signal and its degraded observation is fundamental to signal processing, yet existing full-reference measures are inherently modality-spe…
Spectra: Multi-Scale Implicit Decomposition for Deepfake Detection
Dhananjaya Jayasundara, Kartik Narayan, Vishal M. Patel
Deepfakes increasingly undermine trust in digital media, yet existing detectors often struggle to generalize across unseen manipulation techniques, compression levels, and dataset…
Implicit Neural Representations: A Signal Processing Perspective
Dhananjaya Jayasundara, Vishal M. Patel
Implicit neural representations (INRs) mark a fundamental shift in signal modeling, moving from discrete sampled data to continuous functional representations. By parameterizing si…