activity
20202025
collaborators

5 papers

cs.CV2025

Cell Instance Segmentation: The Devil Is in the Boundaries

Peixian Liang, Yifan Ding, Yizhe Zhang +9

State-of-the-art (SOTA) methods for cell instance segmentation are based on deep learning (DL) semantic segmentation approaches, focusing on distinguishing foreground pixels from b…

cs.CV2022

Keep Your Friends Close & Enemies Farther: Debiasing Contrastive Learning with Spatial Priors in 3D Radiology Images

Yejia Zhang, Nishchal Sapkota, Pengfei Gu +3

Understanding of spatial attributes is central to effective 3D radiology image analysis where crop-based learning is the de facto standard. Given an image patch, its core spatial p…

cs.CV2022

A Point in the Right Direction: Vector Prediction for Spatially-aware Self-supervised Volumetric Representation Learning

Yejia Zhang, Pengfei Gu, Nishchal Sapkota +3

High annotation costs and limited labels for dense 3D medical imaging tasks have recently motivated an assortment of 3D self-supervised pretraining methods that improve transfer le…

eess.IV2022

Usable Region Estimate for Assessing Practical Usability of Medical Image Segmentation Models

Yizhe Zhang, Suraj Mishra, Peixian Liang +2

We aim to quantitatively measure the practical usability of medical image segmentation models: to what extent, how often, and on which samples a model's predictions can be used/tru…

cs.CV2020

Unlabeled Data Guided Semi-supervised Histopathology Image Segmentation

Hongxiao Wang, Hao Zheng, Jianxu Chen +3

Automatic histopathology image segmentation is crucial to disease analysis. Limited available labeled data hinders the generalizability of trained models under the fully supervised…