Search Results for author: Jonathan Gryak

Found 6 papers, 0 papers with code

Prediction of Oral Food Challenge Outcomes via Ensemble Learning

no code implementations17 Aug 2022 Justin Zhang, Deborah Lee, Kylie Jungles, Diane Shaltis, Kayvan Najarian, Rajan Ravikumar, Georgiana Sanders, Jonathan Gryak

The results of this analysis suggest that ensemble learning has the potential to predict OFC outcomes and reveal relevant clinical factors for further study.

Ensemble Learning Predicting Patient Outcomes +1

A Novel Tropical Geometry-based Interpretable Machine Learning Method: Application in Prognosis of Advanced Heart Failure

no code implementations9 Dec 2021 Heming Yao, Harm Derksen, Jessica R. Golbus, Justin Zhang, Keith D. Aaronson, Jonathan Gryak, Kayvan Najarian

In addition to learning humanly understandable rules from the dataset, existing fuzzy domain knowledge can be easily transferred into the network and used to facilitate model training.

Interpretable Machine Learning

Motion-based Camera Localization System in Colonoscopy Videos

no code implementations3 Dec 2020 Heming Yao, Ryan W. Stidham, Zijun Gao, Jonathan Gryak, Kayvan Najarian

In this study, we propose a camera localization system to estimate the relative location of the camera and classify the colon into anatomical segments.

Camera Localization General Classification +1

An Unsupervised Feature Learning Approach to Reduce False Alarm Rate in ICUs

no code implementations17 Apr 2019 Behzad Ghazanfari, Fatemeh Afghah, Kayvan Najarian, Sajad Mousavi, Jonathan Gryak, James Todd

In this paper, we propose a novel set of high-level features based on unsupervised feature learning technique in order to effectively capture the characteristics of different arrhythmia in electrocardiogram (ECG) signal and differentiate them from irregularity in signals due to different sources of signal disturbances.

Clustering Specificity

Solving the Conjugacy Decision Problem via Machine Learning

no code implementations30 May 2017 Jonathan Gryak, Robert M. Haralick, Delaram Kahrobaei

Machine learning and pattern recognition techniques have been successfully applied to algorithmic problems in free groups.

BIG-bench Machine Learning

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