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Binary neural networks (BNNs) represent original full-precision weights and activations into 1-bit with sign function. Since the gradient of the conventional sign function is almost zero everywhere which cannot be used for back-propagation,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Yixing Xu , Kai Han , Chang Xu , Yehui Tang , Chunjing Xu , Yunhe Wang

Source-free Unsupervised Domain Adaptation (SFDA) aims to classify target samples by only accessing a pre-trained source model and unlabelled target samples. Since no source data is available, transferring the knowledge from the source…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Jinkun Jiang , Qingxuan Lv , Yuezun Li , Yong Du , Sheng Chen , Hui Yu , Junyu Dong

Domain shift presents a significant challenge in applying Deep Learning to the segmentation of 3D medical images from sources like Magnetic Resonance Imaging (MRI) and Computed Tomography (CT). Although numerous Domain Adaptation methods…

Image and Video Processing · Electrical Eng. & Systems 2025-02-25 Boris Shirokikh , Anvar Kurmukov , Mariia Donskova , Valentin Samokhin , Mikhail Belyaev , Ivan Oseledets

To obtain the initial pressure from the collected data on a planar sensor arrangement in Photoacoustic tomography, there exists an exact analytic frequency domain reconstruction formula. An efficient realization of this formula needs to…

Numerical Analysis · Mathematics 2015-01-14 Julian Schmid , Thomas Glatz , Behrooz Zabihian , Mengyang Liu , Wolfgang Drexler , Otmar Scherzer

Existing domain adaptation (DA) usually assumes the domain shift comes from either the covariates or the labels. However, in real-world applications, samples selected from different domains could have biases in both the covariates and the…

Machine Learning · Computer Science 2022-04-12 Hao He , Yuzhe Yang , Hao Wang

Deep learning models have exhibited remarkable efficacy in accurately delineating the prostate for diagnosis and treatment of prostate diseases, but challenges persist in achieving robust generalization across different medical centers.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Zihao Luo , Xiangde Luo , Zijun Gao , Guotai Wang

Visual Domain Adaptation is a problem of immense importance in computer vision. Previous approaches showcase the inability of even deep neural networks to learn informative representations across domain shift. This problem is more severe…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Swami Sankaranarayanan , Yogesh Balaji , Arpit Jain , Ser Nam Lim , Rama Chellappa

Medical Ultrasound (US), despite its wide use, is characterized by artifacts and operator dependency. Those attributes hinder the gathering and utilization of US datasets for the training of Deep Neural Networks used for Computer-Assisted…

Image and Video Processing · Electrical Eng. & Systems 2021-05-06 Maria Tirindelli , Christine Eilers , Walter Simson , Magdalini Paschali , Mohammad Farid Azampour , Nassir Navab

Distribution shifts widely exist in medical images acquired from different medical centres, hindering the deployment of semantic segmentation models trained on one centre (source domain) to another (target domain). While unsupervised domain…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Ziyang Chen , Yiwen Ye , Yongsheng Pan , Jingfeng Zhang , Yanning Zhang , Yong Xia

Domain adaptation (DA) aims to transfer the knowledge learned from a source domain to an unlabeled target domain. Some recent works tackle source-free domain adaptation (SFDA) where only a source pre-trained model is available for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Shiqi Yang , Yaxing Wang , Joost van de Weijer , Luis Herranz , Shangling Jui

Unsupervised Domain Adaptation (UDA) is quite challenging due to the large distribution discrepancy between the source domain and the target domain. Inspired by diffusion models which have strong capability to gradually convert data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Duo Peng , Qiuhong Ke , Yinjie Lei , Jun Liu

Object detection is one of the key target tasks of interest in the context of civil and military applications. In particular, the real-world deployment of target detection methods is pivotal in the decision-making process during military…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Jongoh Jeong , Youngjin Oh , Gyeongrae Nam , Jeongeun Lee , Kuk-Jin Yoon

Deep learning-based diagnostic models often suffer performance drops due to distribution shifts between training (source) and test (target) domains. Collecting and labeling sufficient target domain data for model retraining represents an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Yaofei Duan , Yuhao Huang , Xin Yang , Luyi Han , Xinyu Xie , Zhiyuan Zhu , Ping He , Ka-Hou Chan , Ligang Cui , Sio-Kei Im , Dong Ni , Tao Tan

Unsupervised Domain Adaptation (UDA) aims to adapt models trained on a source domain to a new target domain where no labelled data is available. In this work, we investigate the problem of UDA from a synthetic computer-generated domain to a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Stephan Brehm , Sebastian Scherer , Rainer Lienhart

Image-to-image translation has been revolutionized with GAN-based methods. However, existing methods lack the ability to preserve the identity of the source domain. As a result, synthesized images can often over-adapt to the reference…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Mu Cai , Hong Zhang , Huijuan Huang , Qichuan Geng , Yixuan Li , Gao Huang

Surgical tool presence detection is an important part of the intra-operative and post-operative analysis of a surgery. State-of-the-art models, which perform this task well on a particular dataset, however, perform poorly when tested on…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Jay N. Paranjape , Shameema Sikder , Vishal M. Patel , S. Swaroop Vedula

Unsupervised domain adaptation (UDA) aims to mitigate the domain shift issue, where the distribution of training (source) data differs from that of testing (target) data. Many models have been developed to tackle this problem, and recently…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Ali Abedi , Q. M. Jonathan Wu , Ning Zhang , Farhad Pourpanah

Unsupervised domain adaptation (UDA) in 3D segmentation tasks presents a formidable challenge, primarily stemming from the sparse and unordered nature of point cloud data. Especially for LiDAR point clouds, the domain discrepancy becomes…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Xidong Peng , Runnan Chen , Feng Qiao , Lingdong Kong , Youquan Liu , Yujing Sun , Tai Wang , Xinge Zhu , Yuexin Ma

We address the Unsupervised Domain Adaptation (UDA) problem in image classification from a new perspective. In contrast to most existing works which either align the data distributions or learn domain-invariant features, we directly learn a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Qian Wang , Fanlin Meng , Toby P. Breckon

Semi-supervised domain adaptation (SSDA) adapts a learner to a new domain by effectively utilizing source domain data and a few labeled target samples. It is a practical yet under-investigated research topic. In this paper, we analyze the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Wenqiao Zhang , Changshuo Liu , Can Cui , Beng Chin Ooi