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Domain shift refers to the well known problem that a model trained in one source domain performs poorly when applied to a target domain with different statistics. {Domain Generalization} (DG) techniques attempt to alleviate this issue by…

Machine Learning · Computer Science 2017-10-11 Da Li , Yongxin Yang , Yi-Zhe Song , Timothy M. Hospedales

Semantic segmentation models trained on synthetic data often perform poorly on real-world images due to domain gaps, particularly in adverse conditions where labeled data is scarce. Yet, recent foundation models enable to generate realistic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Estelle Chigot , Dennis G. Wilson , Meriem Ghrib , Thomas Oberlin

Deep learning-based models in medical imaging often struggle to generalize effectively to new scans due to data heterogeneity arising from differences in hardware, acquisition parameters, population, and artifacts. This limitation presents…

Image and Video Processing · Electrical Eng. & Systems 2023-08-09 Sebastian Nørgaard Llambias , Mads Nielsen , Mostafa Mehdipour Ghazi

Domain shift is a well known problem where a model trained on a particular domain (source) does not perform well when exposed to samples from a different domain (target). Unsupervised methods that can adapt to domain shift are highly…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Botos Csaba , Xiaojuan Qi , Arslan Chaudhry , Puneet Dokania , Philip Torr

The removal of non-brain signal from magnetic resonance imaging (MRI) data, known as skull-stripping, is an integral component of many neuroimage analysis streams. Despite their abundance, popular classical skull-stripping methods are…

Image and Video Processing · Electrical Eng. & Systems 2022-07-27 Andrew Hoopes , Jocelyn S. Mora , Adrian V. Dalca , Bruce Fischl , Malte Hoffmann

Image-to-image translation is a new field in computer vision with multiple potential applications in the medical domain. However, for supervised image translation frameworks, co-registered datasets, paired in a pixel-wise sense, are…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Karim Armanious , Chenming Jiang , Sherif Abdulatif , Thomas Küstner , Sergios Gatidis , Bin Yang

Domain gaps arising from variations in imaging devices and population distributions pose significant challenges for machine learning in medical image analysis. Existing image-to-image translation methods primarily aim to learn mappings…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Tianyang Zhang , Xinxing Cheng , Jun Cheng , Shaoming Zheng , He Zhao , Huazhu Fu , Alejandro F Frangi , Jiang Liu , Jinming Duan

Multi-modal medical imaging enables comprehensive diagnostics, yet current foundation models process 2D (e.g. X-ray) and 3D (e.g. CT) data with separate, dimensionality-specific architectures. We present MultiMedVision, a unified framework…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Frank Li , Bardia Khosravi , Mohammadreza Chavoshi , Young Seok Jeon , Theo Dapamede , Hari Trivedi , Janice Newsome , Judy Gichoya

Diffusion models have recently enabled state-of-the-art reconstruction of positron emission tomography (PET) images while requiring only image training data. However, domain shift remains a key concern for clinical adoption: priors trained…

Medical Physics · Physics 2025-10-16 George Webber , Alexander Hammers , Andrew P. King , Andrew J. Reader

Endovascular intervention training is increasingly being conducted in virtual simulators. However, transferring the experience from endovascular simulators to the real world remains an open problem. The key challenge is the virtual…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Jingxuan Kang , Tudor Jianu , Baoru Huang , Binod Bhattarai , Ngan Le , Frans Coenen , Anh Nguyen

We propose a segmentation framework that uses deep neural networks and introduce two innovations. First, we describe a biophysics-based domain adaptation method. Second, we propose an automatic method to segment white and gray matter, and…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Amir Gholami , Shashank Subramanian , Varun Shenoy , Naveen Himthani , Xiangyu Yue , Sicheng Zhao , Peter Jin , George Biros , Kurt Keutzer

Cryo-Electron Tomography (cryo-ET) is a 3D imaging technology that enables the visualization of subcellular structures in situ at near-atomic resolution. Cellular cryo-ET images help in resolving the structures of macromolecules and…

Quantitative Methods · Quantitative Biology 2021-11-18 Hmrishav Bandyopadhyay , Zihao Deng , Leiting Ding , Sinuo Liu , Mostofa Rafid Uddin , Xiangrui Zeng , Sima Behpour , Min Xu

Purpose: Medical images acquired using different scanners and protocols can differ substantially in their appearance. This phenomenon, scanner domain shift, can result in a drop in the performance of deep neural networks which are trained…

Image and Video Processing · Electrical Eng. & Systems 2024-10-03 Brian Guo , Darui Lu , Gregory Szumel , Rongze Gui , Tingyu Wang , Nicholas Konz , Maciej A. Mazurowski

Disentangled representation is a powerful technique to tackle domain shift problem in medical image analysis in unsupervised domain adaptation setting.However, previous methods only focus on exacting domain-invariant feature and ignore…

Image and Video Processing · Electrical Eng. & Systems 2023-03-07 Shuai Wang , Rui Li

Multi-domain image-to-image translation is a problem where the goal is to learn mappings among multiple domains. This problem is challenging in terms of scalability because it requires the learning of numerous mappings, the number of which…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Takuhiro Kaneko , Tatsuya Harada

An important topic in medical research is the process of improving the images obtained from medical devices. As a consequence, there is also a need to improve medical image resolution and analysis. Another issue in this field is the large…

Image and Video Processing · Electrical Eng. & Systems 2023-05-26 Elena-Simona Apostol , Ciprian-Octavian Truică

Unpaired image-to-image translation (UNIT) aims to map images between two visual domains without paired training data. However, given a UNIT model trained on certain domains, it is difficult for current methods to incorporate new domains…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Siyu Huang , Jie An , Donglai Wei , Zudi Lin , Jiebo Luo , Hanspeter Pfister

Deep learning algorithms require extensive data to achieve robust performance. However, data availability is often restricted in the medical domain due to patient privacy concerns. Synthetic data presents a possible solution to these…

While deep learning has led to significant advances in visual recognition over the past few years, such advances often require a lot of annotated data. Unsupervised domain adaptation has emerged as an alternative approach that does not…

Computer Vision and Pattern Recognition · Computer Science 2018-12-03 Yunhan Zhao , Haider Ali , Rene Vidal

We present a novel framework for exemplar based image translation. Recent advanced methods for this task mainly focus on establishing cross-domain semantic correspondence, which sequentially dominates image generation in the manner of local…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Chang Jiang , Fei Gao , Biao Ma , Yuhao Lin , Nannan Wang , Gang Xu