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Romario Gualdrón-Hurtado

5 accepted papers

2026

GSNR: Graph Smooth Null-Space Representation for Inverse Problems

CVPR 2026

Inverse problems in imaging are ill-posed, leading to infinitely many solutions consistent with the measurements due to the non-trivial null-space of the sensing matrix. Common image priors promote solutions on the general image manifold, such as sparsity, smoothness, or score function. However, as

Cited by 0SourcecodeScholar
2025

Compressive Imaging Reconstruction via Conditional Diffusion Model With Augmented Measurements

ICASSP 2025accepted

Compressive imaging (CI) consists of reconstructing images from incomplete observed data. The reconstruction process involves solving an ill-posed inverse problem which is highly dependent on the number of real measurements, with a greater number of measurements typically leading to more accurate re…

Cited by 0SourceScholar
2025

Improving Compressive Imaging Recovery via Measurement Augmentation

ICASSP 2025accepted

In compressive imaging systems, the scene is acquired via linear coded noisy projections, known as measurements, requiring a recovery process to estimate the underlying signal. This recovery is inherently ill-posed, posing a challenge for accurate signal recovery. Existing methods that employ prior…

Cited by 0SourceScholar
2025

Learning to Reconstruct Signals With Inexact Sensing Operator via Knowledge Distillation

ICASSP 2025accepted

In computational optical imaging and wireless communications, signals are acquired through linear coded and noisy projections, which are recovered through computational algorithms. Deep model-based approaches, i.e., neural networks incorporating the sensing operators, are the state-of-the-art for si…

Cited by 0SourceScholar
2025

NPN: Non-Linear Projections of the Null-Space for Imaging Inverse Problems

NeurIPS 2025poster

Imaging inverse problems aim to recover high-dimensional signals from undersampled, noisy measurements, a fundamentally ill-posed task with infinite solutions in the null-space of the sensing operator. To resolve this ambiguity, prior information is typically incorporated through handcrafted regular…

Cited by 0SourcecodeScholar