activity
20132024
most citedJaccard/Tanimoto similarity test and estimation methods

339 citations · 686 across the 11 of their papers we have counts for

collaborators

13 papers

cs.CY2024★ 5 cited

False Sense of Security in Explainable Artificial Intelligence (XAI)

Neo Christopher Chung, Hongkyou Chung, Hearim Lee +3

A cautious interpretation of AI regulations and policy in the EU and the USA place explainability as a central deliverable of compliant AI systems. However, from a technical perspe…

cs.CV2023★ 2 cited

Class-Discriminative Attention Maps for Vision Transformers

Lennart Brocki, Jakub Binda, Neo Christopher Chung

Importance estimators are explainability methods that quantify feature importance for deep neural networks (DNN). In vision transformers (ViT), the self-attention mechanism natural…

cs.CL2023★ 20 cited

Challenges of Large Language Models for Mental Health Counseling

Neo Christopher Chung, George Dyer, Lennart Brocki

The global mental health crisis is looming with a rapid increase in mental disorders, limited resources, and the social stigma of seeking treatment. As the field of artificial inte…

cs.LG2023★ 18 cited

Integration of Radiomics and Tumor Biomarkers in Interpretable Machine Learning Models

Lennart Brocki, Neo Christopher Chung

Despite the unprecedented performance of deep neural networks (DNNs) in computer vision, their practical application in the diagnosis and prognosis of cancer using medical imaging…

cs.LG2023★ 15 cited

Feature Perturbation Augmentation for Reliable Evaluation of Importance Estimators in Neural Networks

Lennart Brocki, Neo Christopher Chung

Post-hoc explanation methods attempt to make the inner workings of deep neural networks more interpretable. However, since a ground truth is in general lacking, local post-hoc inte…

cs.CL2023

Deep Learning Mental Health Dialogue System

Lennart Brocki, George C. Dyer, Anna Gładka +1

Mental health counseling remains a major challenge in modern society due to cost, stigma, fear, and unavailability. We posit that generative artificial intelligence (AI) models des…

cs.CV2022★ 2 cited

Evaluation of importance estimators in deep learning classifiers for Computed Tomography

Lennart Brocki, Wistan Marchadour, Jonas Maison +5

Deep learning has shown superb performance in detecting objects and classifying images, ensuring a great promise for analyzing medical imaging. Translating the success of deep lear…

cs.LG2022★ 2 cited

Fidelity of Interpretability Methods and Perturbation Artifacts in Neural Networks

Lennart Brocki, Neo Christopher Chung

Despite excellent performance of deep neural networks (DNNs) in image classification, detection, and prediction, characterizing how DNNs make a given decision remains an open probl…

cs.HC2021

Human in the Loop for Machine Creativity

Neo Christopher Chung

Artificial intelligence (AI) is increasingly utilized in synthesizing visuals, texts, and audio. These AI-based works, often derived from neural networks, are entering the mainstre…

cs.CV2020

Input Bias in Rectified Gradients and Modified Saliency Maps

Lennart Brocki, Neo Christopher Chung

Interpretation and improvement of deep neural networks relies on better understanding of their underlying mechanisms. In particular, gradients of classes or concepts with respect t…

cs.LG2019

Concept Saliency Maps to Visualize Relevant Features in Deep Generative Models

Lennart Brocki, Neo Christopher Chung

Evaluating, explaining, and visualizing high-level concepts in generative models, such as variational autoencoders (VAEs), is challenging in part due to a lack of known prediction…

stat.ME2019★ 339 cited

Jaccard/Tanimoto similarity test and estimation methods

Neo Christopher Chung, Błażej Miasojedow, Michał Startek +1

Binary data are used in a broad area of biological sciences. Using binary presence-absence data, we can evaluate species co-occurrences that help elucidate relationships among orga…

stat.ME2013★ 283 cited

Statistical significance of variables driving systematic variation

Neo Christopher Chung, John D. Storey

There are a number of well-established methods such as principal components analysis (PCA) for automatically capturing systematic variation due to latent variables in large-scale g…