Search Results for author: Nandita Bhaskhar

Found 6 papers, 3 papers with code

Exploring Image Augmentations for Siamese Representation Learning with Chest X-Rays

1 code implementation30 Jan 2023 Rogier van der Sluijs, Nandita Bhaskhar, Daniel Rubin, Curtis Langlotz, Akshay Chaudhari

Thus, it is unknown whether common augmentation strategies employed in Siamese representation learning generalize to medical images and to what extent.

Anomaly Detection Representation Learning +1

Data-Limited Tissue Segmentation using Inpainting-Based Self-Supervised Learning

no code implementations14 Oct 2022 Jeffrey Dominic, Nandita Bhaskhar, Arjun D. Desai, Andrew Schmidt, Elka Rubin, Beliz Gunel, Garry E. Gold, Brian A. Hargreaves, Leon Lenchik, Robert Boutin, Akshay S. Chaudhari

Although supervised learning has enabled high performance for image segmentation, it requires a large amount of labeled training data, which can be difficult to obtain in the medical imaging field.

Image Segmentation Segmentation +2

TRUST-LAPSE: An Explainable and Actionable Mistrust Scoring Framework for Model Monitoring

1 code implementation22 Jul 2022 Nandita Bhaskhar, Daniel L. Rubin, Christopher Lee-Messer

We show that our sequential mistrust scores achieve high drift detection rates; over 90% of the streams show < 20% error for all domains.

EEG Seizure Detection

TIME-LAPSE: Learning to say “I don't know” through spatio-temporal uncertainty scoring

no code implementations29 Sep 2021 Nandita Bhaskhar, Daniel Rubin, Christopher Lee-Messer

We show that TIME-LAPSE is more driven by semantic content compared to other methods, i. e., it is more robust to dataset statistics.

EEG Out of Distribution (OOD) Detection +1

Semi-Supervised Learning for Sparsely-Labeled Sequential Data: Application to Healthcare Video Processing

1 code implementation28 Nov 2020 Florian Dubost, Erin Hong, Nandita Bhaskhar, Siyi Tang, Daniel Rubin, Christopher Lee-Messer

We propose a semi-supervised machine learning training strategy to improve event detection performance on sequential data, such as video recordings, when only sparse labels are available, such as event start times without their corresponding end times.

BIG-bench Machine Learning Electroencephalogram (EEG) +2

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