NOISEAI·Jul 2, 2026, 4:00 AMSignal20Long term

Breaking the Weak Recovery Limit in Random Phase Retrieval with Learned Regularizers

Source: arXiv cs.LG

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Breaking the Weak Recovery Limit in Random Phase Retrieval with Learned Regularizers

arXiv:2509.15026v2 Announce Type: replace-cross Abstract: We seek to recover an unknown signal from nonlinear amplitude-only measurements, a challenging inverse problem. Strong theoretical guarantees have been established for idealized random measurements, defining the sampling ratio required for signal recovery. However, these results neglect signal priors, which can fundamentally shift these limits, potentially enabling reconstruction with far fewer measurements and simpler models. We evaluate a variety of image priors in the context of severe undersampling with physically-grounded random me

Why this matters
Why now

This is a technical research paper published on arXiv, representing incremental academic progress in a specific area of AI.

Why it’s important

While contributing to the theoretical foundation of signal processing and machine learning, this specific paper does not have immediate strategic implications for broader economic or geopolitical considerations.

What changes

This paper offers an incremental improvement in signal recovery methods using learned regularizers, potentially leading to more efficient AI image processing down the line.

Second-order effects
Direct

Improved theoretical understanding of random phase retrieval in AI.

Second

Potential for more robust and efficient image reconstruction algorithms in scientific and medical imaging applications over many years.

Third

Future AI systems might benefit from these types of foundational advances, enabling better performance with less data or under challenging conditions.

Editorial confidence: 80 / 100 · Structural impact: 5 / 100
Original report

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Read at arXiv cs.LG
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