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Related papers: Deep Learning-based Unsupervised Domain Adaptation…

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This paper presents a classification framework based on learnable data augmentation to tackle the One-Shot Unsupervised Domain Adaptation (OS-UDA) problem. OS-UDA is the most challenging setting in Domain Adaptation, as only one single…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Julio Ivan Davila Carrazco , Pietro Morerio , Alessio Del Bue , Vittorio Murino

Generalization is one of the key challenges in the clinical validation and application of deep learning models to medical images. Studies have shown that such models trained on publicly available datasets often do not work well on…

Computer Vision and Pattern Recognition · Computer Science 2020-03-04 Yu Zhang , Gongbo Liang , Nathan Jacobs , Xiaoqin Wang

Domain adaptation (DA) is transfer learning which aims to leverage labeled data in a related source domain to achieve informed knowledge transfer and help the classification of unlabeled data in a target domain. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Lingkun Luo , Xiaofang Wang , Shiqiang Hu , Liming Chen

In unsupervised domain adaptation (UDA), where models are trained on source data (e.g., synthetic) and adapted to target data (e.g., real-world) without target annotations, addressing the challenge of significant class imbalance remains an…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Roberto Alcover-Couso , Marcos Escudero-Viñolo , Juan C. SanMiguel , Jesus Bescós

Accurate segmentation of the prostate gland in multiparametric MRI (mpMRI) is a fundamental step for a wide range of clinical and research applications, including image registration, volume estimation, and radiomic analysis. However, manual…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Pablo Rodriguez-Belenguer , Gloria Ribas , Javier Aquerreta Escribano , Rafael Moreno-Calatayud , Leonor Cerda-Alberich , Luis Marti-Bonmati

Purpose: The Unadjusted Langevin Algorithm (ULA) in combination with diffusion models can generate high quality MRI reconstructions with uncertainty estimation from highly undersampled k-space data. However, sampling methods such as…

Medical Physics · Physics 2026-05-26 Moritz Blumenthal , Tina Holliber , Jonathan I. Tamir , Martin Uecker

Deep learning techniques for medical image analysis usually suffer from the domain shift between source and target data. Most existing works focus on unsupervised domain adaptation (UDA). However, in practical applications, privacy issues…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yixin Chen , Yan Wang

Scene understanding is a pivotal task for autonomous vehicles to safely navigate in the environment. Recent advances in deep learning enable accurate semantic reconstruction of the surroundings from LiDAR data. However, these models…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Borna Bešić , Nikhil Gosala , Daniele Cattaneo , Abhinav Valada

Deep Learning (DL) approaches have been providing state-of-the-art performance in different modalities in the field of medical imagining including Digital Pathology Image Analysis (DPIA). Out of many different DL approaches, Deep…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Md Zahangir Alom , Theus Aspiras , Tarek M. Taha , Vijayan K. Asari , TJ Bowen , Dave Billiter , Simon Arkell

Unsupervised Domain Adaptation (UDA) aims to adapt the model trained on the labeled source domain to an unlabeled target domain. In this paper, we present Prototypical Contrast Adaptation (ProCA), a simple and efficient contrastive learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Zhengkai Jiang , Yuxi Li , Ceyuan Yang , Peng Gao , Yabiao Wang , Ying Tai , Chengjie Wang

Class imbalance naturally exists when train and test models in different domains. Unsupervised domain adaptation (UDA) augments model performance with only accessible annotations from the source domain and unlabeled data from the target…

Computation and Language · Computer Science 2022-05-27 Yuexin Wu , Xiaolei Huang

Prostate specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) imaging provides a tremendously exciting frontier in visualization of prostate cancer (PCa) metastatic lesions. However, accurate…

Medical Physics · Physics 2024-12-05 Amirhosein Toosi , Sara Harsini , François Bénard , Carlos Uribe , Arman Rahmim

Diffusion models have shown superior performance on unsupervised anomaly detection tasks. Since trained with normal data only, diffusion models tend to reconstruct normal counterparts of test images with certain noises added. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Hang Yao , Ming Liu , Haolin Wang , Zhicun Yin , Zifei Yan , Xiaopeng Hong , Wangmeng Zuo

Unsupervised anomaly detection (UAD) based on deep generative modelling has been increasingly explored for identifying pathological brain abnormalities without requiring voxel-level annotations. By learning the distribution of healthy…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Youwan Mahé , Elise Bannier , Stéphanie Leplaideur , Elisa Fromont , Francesca Galassi

Congenital uterine anomalies (CUAs) can lead to infertility, miscarriage, preterm birth, and an increased risk of pregnancy complications. Compared to traditional 2D ultrasound (US), 3D US can reconstruct the coronal plane, providing a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Yuhao Huang , Yueyue Xu , Haoran Dou , Jiaxiao Deng , Xin Yang , Hongyu Zheng , Dong Ni

Generative Adversarial Networks (GANs) have shown considerable promise for mitigating the challenge of data scarcity when building machine learning-driven analysis algorithms. Specifically, a number of studies have shown that GAN-based…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Xiaodan Hu , Audrey G. Chung , Paul Fieguth , Farzad Khalvati , Masoom A. Haider , Alexander Wong

Unsupervised learning of feature representations is a challenging yet important problem for analyzing a large collection of multimedia data that do not have semantic labels. Recently proposed neural network-based unsupervised learning…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Takahiko Furuya , Ryutarou Ohbuchi

Unsupervised domain adaptation (UDA) greatly facilitates the deployment of neural networks across diverse environments. However, most state-of-the-art approaches are overly complex, relying on challenging adversarial training strategies, or…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Shuchen Du , Shuo Lei , Feiran Li , Jiacheng Li , Daisuke Iso

Unsupervised Domain Adaptation (UDA) has attracted a lot of attention in the last ten years. The emergence of Domain Invariant Representations (IR) has improved drastically the transferability of representations from a labelled source…

Machine Learning · Computer Science 2020-06-25 Victor Bouvier , Philippe Very , Clément Chastagnol , Myriam Tami , Céline Hudelot

The Diffusion Probabilistic Model (DPM) has emerged as a highly effective generative model in the field of computer vision. Its intermediate latent vectors offer rich semantic information, making it an attractive option for various…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Haipeng Zhou , Lei Zhu , Yuyin Zhou