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Recent advances in foundation models have brought promising results in computer vision, including medical image segmentation. Fine-tuning foundation models on specific low-resource medical tasks has become a standard practice. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Jingyun Yang , Guoqing Zhang , Jingge Wang , Yang Li

In medical imaging, the heterogeneity of multi-centre data impedes the applicability of deep learning-based methods and results in significant performance degradation when applying models in an unseen data domain, e.g. a new centreor a new…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Hongwei Li , Timo Loehr , Anjany Sekuboyina , Jianguo Zhang , Benedikt Wiestler , Bjoern Menze

Single image defocus deblurring aims to recover an all-in-focus image from a defocus counterpart, where accurately modeling spatially varying blur kernels remains a key challenge. Most existing methods rely on spatial features for kernel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Ying Zhang , Xiongxin Tang , Chongyi Li , Qiao Chen , Yuquan Wu

Collaborative perception has recently gained significant attention in autonomous driving, improving perception quality by enabling the exchange of additional information among vehicles. However, deploying collaborative perception systems…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Senkang Hu , Zhengru Fang , Yiqin Deng , Xianhao Chen , Yuguang Fang , Sam Kwong

Unsupervised domain adaptation (UDA) methods intend to reduce the gap between source and target domains by using unlabeled target domain and labeled source domain data, however, in the medical domain, target domain data may not always be…

Image and Video Processing · Electrical Eng. & Systems 2022-02-01 Mingxuan Gu , Sulaiman Vesal , Ronak Kosti , Andreas Maier

Medical image segmentation is a critical task in computer-aided diagnosis and treatment planning. However, deep learning models often struggle to generalize across datasets due to domain shifts arising from variations in imaging protocols,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Phuoc-Nguyen Bui , Van-Nguyen Pham , Duc-Tai Le , Junghyun Bum , Hyunseung Choo

Medical Image-to-image translation is a key task in computer vision and generative artificial intelligence, and it is highly applicable to medical image analysis. GAN-based methods are the mainstream image translation methods, but they…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Zhuhui Wang , Jianwei Zuo , Xuliang Deng , Jiajia Luo

Computed tomography from a low radiation dose (LDCT) is challenging due to high noise in the projection data. Popular approaches for LDCT image reconstruction are two-stage methods, typically consisting of the filtered backprojection (FBP)…

Image and Video Processing · Electrical Eng. & Systems 2025-03-17 Tim Selig , Thomas März , Martin Storath , Andreas Weinmann

Ultrasound Coherent Plane-Wave Compounding (CPWC) enhances image contrast by combining echoes from multiple steered transmissions. While increasing the number of steering angles generally improves image quality, it significantly reduces…

Image and Video Processing · Electrical Eng. & Systems 2026-05-19 Hojat Asgariandehkordi , Mostafa Sharifzadeh , Morteza Rezanejad , Hassan Rivaz

Cone-beam computed tomography (CBCT) is widely used for image-guided radiotherapy (IGRT). It provides real time visualization at low cost and dose. However, photon scattering and beam hindrance cause artifacts in CBCT. These include…

Medical Physics · Physics 2025-09-29 Alzahra Altalib , Chunhui Li , Alessandro Perelli

One of the growing trends in machine learning is the use of data generation techniques, since the performance of machine learning models is dependent on the quantity of the training dataset. However, in many real-world applications,…

Artificial Intelligence · Computer Science 2025-04-25 Yasaman Haghbin , Hadi Moradi , Reshad Hosseini

Domain shift, caused by variations in imaging modalities and acquisition protocols, limits model generalization in medical image segmentation. While foundation models (FMs) trained on diverse large-scale data hold promise for zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Soumitri Chattopadhyay , Basar Demir , Marc Niethammer

With the FDA approval of Artificial Intelligence (AI) for point-of-care clinical diagnoses, model generalizability is of the utmost importance as clinical decision-making must be domain-agnostic. A method of tackling the problem is to…

Image and Video Processing · Electrical Eng. & Systems 2021-07-07 Ricky Chen , Timothy T. Yu , Gavin Xu , Da Ma , Marinko V. Sarunic , Mirza Faisal Beg

Medical image segmentation is vital for clinical diagnosis, yet current deep learning methods often demand extensive expert effort, i.e., either through annotating large training datasets or providing prompts at inference time for each new…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Xingjian Li , Qifeng Wu , Adithya S. Ubaradka , Yiran Ding , Colleen Que , Runmin Jiang , Jianhua Xing , Tianyang Wang , Min Xu

In order to improve image quality of projection in industrial applications, generally, a standard method is to increase the current or exposure time, which might cause overexposure of detector units in areas of thin objects or backgrounds.…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Mengyu Sun , Dimeng Xia , Shusen Zhao , Weibin Zhang , Yaobin He

Accurate dose calculations in proton therapy rely on high-quality CT images. While planning CTs (pCTs) serve as a reference for dosimetric planning, Cone Beam CT (CBCT) is used throughout Adaptive Radiotherapy (ART) to generate sCTs for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 David Vallmanya Poch , Yorick Estievenart , Elnura Zhalieva , Sukanya Patra , Mohammad Yaqub , Souhaib Ben Taieb

Computed Tomography (CT) based precise prostate segmentation for treatment planning is challenging due to (1) the unclear boundary of the prostate derived from CT's poor soft tissue contrast and (2) the limitation of convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2023-07-20 Chengyin Li , Yao Qiang , Rafi Ibn Sultan , Hassan Bagher-Ebadian , Prashant Khanduri , Indrin J. Chetty , Dongxiao Zhu

Spectral computed tomography (CT) with photon-counting detectors holds immense potential for material discrimination and tissue characterization. However, under ultra-low-dose conditions, the sharply degraded signal-to-noise ratio (SNR) in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Peng Peng , Xinrui Zhang , Junlin Wang , Lei Li , Shaoyu Wang , Qiegen Liu

Cross-domain object detection and semantic segmentation have witnessed impressive progress recently. Existing approaches mainly consider the domain shift resulting from external environments including the changes of background, illumination…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Qiqi Gu , Qianyu Zhou , Minghao Xu , Zhengyang Feng , Guangliang Cheng , Xuequan Lu , Jianping Shi , Lizhuang Ma

The annotation scarcity of medical image segmentation poses challenges in collecting sufficient training data for deep learning models. Specifically, models trained on limited data may not generalize well to other unseen data domains,…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Heng Li , Haojin Li , Wei Zhao , Huazhu Fu , Xiuyun Su , Yan Hu , Jiang Liu