Search Results for author: Ahsan Mahmood

Found 3 papers, 2 papers with code

Date Published Github Stars

Localizing Anomalies via Multiscale Score Matching Analysis

1 code implementation • 28 Jun 2024 • Ahsan Mahmood, Junier Oliva, Martin Styner

This paper introduces Spatial-MSMA (Multiscale Score Matching Analysis), a novel unsupervised method for anomaly localization in volumetric brain MRIs.

Anomaly Detection Anomaly Localization +1

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Anomaly Detection via Gumbel Noise Score Matching

no code implementations • 6 Apr 2023 • Ahsan Mahmood, Junier Oliva, Martin Styner

We propose Gumbel Noise Score Matching (GNSM), a novel unsupervised method to detect anomalies in categorical data.

Anomaly Detection Segmentation

 
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Multiscale Score Matching for Out-of-Distribution Detection

1 code implementation • ICLR 2021 • Ahsan Mahmood, Junier Oliva, Martin Styner

We present a new methodology for detecting out-of-distribution (OOD) images by utilizing norms of the score estimates at multiple noise scales.

Out-of-Distribution Detection

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