Computer Vision

Vision systems that learn from as little labeled data as possible while staying honest about what they do not know — active learning and unsupervised accuracy estimation for classification, object detection, and semantic segmentation, including probabilistic multi-view 3D understanding.

Related Publications

Bayesian Active Learning for Semantic Segmentation
arXiv:2408.01694, 2024

Introduces a Beta distribution approximation for efficient uncertainty estimation in semantic segmentation, achieving significant annotation cost reductions through intelligent sample selection.

Self-Supervised Contrastive Representation Learning for 3D Mesh Segmentation
arXiv:2208.04278, 2022

A self-supervised approach to 3D geometric data analysis that removes the need for manual annotation in mesh segmentation tasks.

NeurIPS Workshop Highly Efficient Representation and Active Learning Framework for Imbalanced Data and Its Application to COVID-19 X-Ray Classification
NeurIPS Data-Centric AI Workshop, 2021

A representation and active learning framework built for heavily imbalanced datasets, validated on COVID-19 chest X-ray classification.

Active Learning Performance in Labeling Radiology Images is 90% Effective
Frontiers in Radiology, 2021

Clinical validation showing a substantial reduction in radiologist annotation burden while maintaining diagnostic accuracy. Received the Best Presentation Award at FICC 2022.

Full publication list on Google Scholar →

Project Highlights

Active Learning Across Vision Tasks

Active learning frameworks spanning classification, object detection, and semantic segmentation, deployed to cut labeling budgets on industrial and medical datasets.

Unsupervised Accuracy Estimation

Methods for estimating how well a deployed vision model is performing without access to labeled evaluation data — essential when distributions shift after deployment.

Multi-View 3D Semantic Segmentation

A probabilistic active learning framework for 3D scene understanding that fuses multiple viewpoints to improve segmentation accuracy while quantifying prediction uncertainty.

Uncertainty-Aware Vision for Medical Imaging

Vision systems that provide reliable confidence estimates for high-stakes applications, letting clinicians know which predictions warrant review.

Real-Time Defect Recognition

Industrial vision systems for manufacturing quality control, including real-time defect recognition and image processing for 3D CT composite data.