Search Results for author: Jonathan Zhang

Found 3 papers, 3 papers with code

Classification of Diabetic Retinopathy Severity in Fundus Images with DenseNet121 and ResNet50

1 code implementation19 Aug 2021 Jonathan Zhang, Bowen Xie, Xin Wu, Rahul Ram, David Liang

In this work, deep learning algorithms are used to classify fundus images in terms of diabetic retinopathy severity.

Visual Analysis of High-Dimensional Event Sequence Data via Dynamic Hierarchical Aggregation

1 code implementation18 Jun 2019 David Gotz, Jonathan Zhang, Wenyuan Wang, Joshua Shrestha, David Borland

This paper presents a dynamic hierarchical aggregation technique that leverages a predefined hierarchy of dimensions to computationally quantify the informativeness of alternative levels of grouping within the hierarchy at runtime.

Human-Computer Interaction

Selection Bias Tracking and Detailed Subset Comparison for High-Dimensional Data

1 code implementation18 Jun 2019 David Borland, Wenyuan Wang, Jonathan Zhang, Joshua Shrestha, David Gotz

We present techniques for selection bias tracking and visualization that can be incorporated into high-dimensional exploratory visual analytics systems, with a focus on medical data with existing data hierarchies.

Human-Computer Interaction

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