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Landmark localization plays an important role in medical image analysis. Learning based methods, including CNN and GCN, have demonstrated the state-of-the-art performance. However, most of these methods are fully-supervised and heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2021-05-03 Xiao-Yun Zhou , Bolin Lai , Weijian Li , Yirui Wang , Kang Zheng , Fakai Wang , Chihung Lin , Le Lu , Lingyun Huang , Mei Han , Guotong Xie , Jing Xiao , Kuo Chang-Fu , Adam Harrison , Shun Miao

Domain generalization (DG) aims to learn a model on one or more different but related source domains that could be generalized into an unseen target domain. Existing DG methods try to prompt the diversity of source domains for the model's…

Machine Learning · Computer Science 2022-09-14 Mengzhu Wang , Jianlong Yuan , Qi Qian , Zhibin Wang , Hao Li

Domain generalization typically requires data from multiple source domains for model learning. However, such strong assumption may not always hold in practice, especially in medical field where the data sharing is highly concerned and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Quande Liu , Cheng Chen , Qi Dou , Pheng-Ann Heng

Deep learning (DL) has brought about remarkable breakthrough in processing images, video and speech due to its efficacy in extracting highly abstract representation and learning very complex functions. However, there is seldom operating…

Machine Learning · Computer Science 2021-01-01 Shen Chen , Mingwei Zhang , Jiamin Cui , Wei Yao

Domain generalization (DG) aims to learn models that perform well on unseen target domains by training on multiple source domains. Sharpness-Aware Minimization (SAM), known for finding flat minima that improve generalization, has therefore…

Machine Learning · Statistics 2025-07-01 Youngjun Song , Youngsik Hwang , Jonghun Lee , Heechang Lee , Dong-Young Lim

Current machine learning methods for medical image analysis primarily focus on developing models tailored for their specific tasks, utilizing data within their target domain. These specialized models tend to be data-hungry and often exhibit…

Image and Video Processing · Electrical Eng. & Systems 2024-07-08 Ece Ozkan , Xavier Boix

A long standing problem in visual object categorization is the ability of algorithms to generalize across different testing conditions. The problem has been formalized as a covariate shift among the probability distributions generating the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Recognition across domains has recently become an active topic in the research community. However, it has been largely overlooked in the problem of recognition in new unseen domains. Under this condition, the delivered deep network models…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Thanh-Dat Truong , Chi Nhan Duong , Khoa Luu , Minh-Triet Tran , Ngan Le

The absence of well-structured large datasets in medical computer vision results in decreased performance of automated systems and, especially, of deep learning models. Domain generalization techniques aim to approach unknown domains from a…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Nikolaos Spanos , Anastasios Arsenos , Paraskevi-Antonia Theofilou , Paraskevi Tzouveli , Athanasios Voulodimos , Stefanos Kollias

Domain generalization aims to build generalized models that perform well on unseen domains when only source domains are available for model optimization. Recent studies have shown that large-scale pre-trained models can enhance domain…

Machine Learning · Computer Science 2023-09-12 Byounggyu Lew , Donghyun Son , Buru Chang

The ability to segment unknown objects in cluttered scenes has a profound impact on robot grasping. The rise of deep learning has greatly transformed the pipeline of robotic grasping from model-based approach to data-driven stream, which…

Robotics · Computer Science 2021-08-10 Yiting Chen , Chenguang Yang , Miao Li

Segmentation of multiple surfaces in medical images is a challenging problem, further complicated by the frequent presence of weak boundary and mutual influence between adjacent objects. The traditional graph-based optimal surface…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Hui Xie , Zhe Pan , Leixin Zhou , Fahim A Zaman , Danny Chen , Jost B Jonas , Yaxing Wang , Xiaodong Wu

Purpose: In this paper, we present a novel approach for online object tracking in laparoscopic cholecystectomy (LC) surgical videos, targeting localisation and tracking of critical anatomical structures and instruments. Our method addresses…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Subhadeep Koley , Abdolrahim Kadkhodamohammadi , Santiago Barbarisi , Danail Stoyanov , Imanol Luengo

Meta-learning provides a promising way for learning to efficiently learn and achieves great success in many applications. However, most meta-learning literature focuses on dealing with tasks from a same domain, making it brittle to…

Machine Learning · Computer Science 2021-07-26 Pinzhuo Tian , Yao Gao

In the generalized zero-shot learning, synthesizing unseen data with generative models has been the most popular method to address the imbalance of training data between seen and unseen classes. However, this method requires that the unseen…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Xinsheng Wang , Shanmin Pang , Jihua Zhu

In open-world scenarios, where both novel classes and domains may exist, an ideal segmentation model should detect anomaly classes for safety and generalize to new domains. However, existing methods often struggle to distinguish between…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Zhitong Gao , Bingnan Li , Mathieu Salzmann , Xuming He

With the rapid development of deep learning methods, there have been many breakthroughs in the field of text classification. Models developed for this task have been shown to achieve high accuracy. However, most of these models are trained…

Machine Learning · Computer Science 2024-09-24 Yuxuan Hu , Chenwei Zhang , Min Yang , Xiaodan Liang , Chengming Li , Xiping Hu

We present Generalizable Hierarchical Skill Learning (GSL), a novel framework for hierarchical policy learning that significantly improves policy generalization and sample efficiency in robot manipulation. One core idea of GSL is to use…

Domain generalization remains a critical challenge in medical imaging, where models trained on single sources often fail under real-world distribution shifts. We propose KG-DG, a neuro-symbolic framework for diabetic retinopathy (DR)…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Midhat Urooj , Ayan Banerjee , Farhat Shaikh , Kuntal Thakur , Sandeep Gupta

Purpose: Accurate identification of hepatocystic anatomy is critical to preventing surgical complications during laparoscopic cholecystectomy. Deep learning models often struggle with occlusions, long-range dependencies, and capturing the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Yihan Li , Nikhil Churamani , Maria Robu , Imanol Luengo , Danail Stoyanov