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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,695 papers · 148 categories

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2 results for “noise-cleaning”

Noise-cleaning the precision matrix of fMRI time seriescond-mat.stat-mech

Noise-cleaning fMRI brain activity matrices for better precision estimation.

problem Denoise precision matrices of fMRI time series to estimate true matrices.

method Comparison of various noise-cleaning algorithms on synthetic and real fMRI data.

result Optimal Rotationally Invariant Estimator outperforms others in fMRI data.

fMRI precision matrix noise-cleaning Random Matrix Theory gradient ascent

2023-02-06abs ↗pdf ↗

Label Noise Cleaning for Supervised Classification via Bernoulli Random Samplingstat.ME

The paper cleans label noise in supervised classification using Bernoulli sampling.

problem Label noise degrades supervised classifier performance.

method Proposes a label noise cleaning method based on Bernoulli random sampling.

result The method separates clean and noisy observations without prior label information.

label noise supervised classification Bernoulli sampling clean observations noisy observations

2026-03-15abs ↗pdf ↗