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Automated anomaly detection from medical images, such as MRIs and X-rays, can significantly reduce human effort in disease diagnosis. Owing to the complexity of modeling anomalies and the high cost of manual annotation by domain experts…

图像与视频处理 · 电气工程与系统科学 2022-09-07 Md Mahfuzur Rahman Siddiquee , Jay Shah , Teresa Wu , Catherine Chong , Todd Schwedt , Baoxin Li

Accurate medical image segmentation is essential for effective diagnosis and treatment planning but is often challenged by domain shifts caused by variations in imaging devices, acquisition conditions, and patient-specific attributes.…

图像与视频处理 · 电气工程与系统科学 2024-12-06 Jie Bao , Zhixin Zhou , Wen Jung Li , Rui Luo

Generative image reconstruction algorithms such as measurement conditioned diffusion models are increasingly popular in the field of medical imaging. These powerful models can transform low signal-to-noise ratio (SNR) inputs into outputs…

医学物理 · 物理学 2024-07-18 Matthew Tivnan , Siyeop Yoon , Zhennong Chen , Xiang Li , Dufan Wu , Quanzheng Li

Synthesizing medical images while preserving their structural information is crucial in medical research. In such scenarios, the preservation of anatomical content becomes especially important. Although recent advances have been made by…

图像与视频处理 · 电气工程与系统科学 2024-11-14 Ziqi Yu , Botao Zhao , Shengjie Zhang , Xiang Chen , Jianfeng Feng , Tingying Peng , Xiao-Yong Zhang

Deep learning holds immense promise for transforming medical image analysis, yet its clinical generalization remains profoundly limited. A major barrier is data heterogeneity. This is particularly true in Magnetic Resonance Imaging, where…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Mehmet Yigit Avci , Pedro Borges , Virginia Fernandez , Paul Wright , Mehmet Yigitsoy , Sebastien Ourselin , Jorge Cardoso

It is well known that humans can learn and recognize objects effectively from several limited image samples. However, learning from just a few images is still a tremendous challenge for existing main-stream deep neural networks. Inspired by…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Ziqiang Zheng , Zhibin Yu , Haiyong Zheng , Yang Yang , Heng Tao Shen

Magnetic resonance imaging (MRI) data is heterogeneous due to differences in device manufacturers, scanning protocols, and inter-subject variability. A conventional way to mitigate MR image heterogeneity is to apply preprocessing…

Image normalization is a building block in medical image analysis. Conventional approaches are customarily utilized on a per-dataset basis. This strategy, however, prevents the current normalization algorithms from fully exploiting the…

机器学习 · 计算机科学 2020-10-06 Pierre-Luc Delisle , Benoit Anctil-Robitaille , Christian Desrosiers , Herve Lombaert

Domain shift widely exists in the visual world, while modern deep neural networks commonly suffer from severe performance degradation under domain shift due to the poor generalization ability, which limits the real-world applications. The…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Yuyang Zhao , Zhun Zhong , Na Zhao , Nicu Sebe , Gim Hee Lee

The ability to combine data across scanners and studies is vital for neuroimaging, to increase both statistical power and the representation of biological variability. However, combining datasets across sites leads to two challenges: first,…

机器学习 · 计算机科学 2022-06-01 Nicola K Dinsdale , Mark Jenkinson , Ana IL Namburete

Cross-modal augmentation of Magnetic Resonance Imaging (MRI) and microscopic imaging based on the same tissue samples is promising because it can allow histopathological analysis in the absence of an underlying invasive biopsy procedure.…

图像与视频处理 · 电气工程与系统科学 2025-08-13 Monika Pytlarz , Adrian Onicas , Alessandro Crimi

High dynamic range (HDR) imaging is an indispensable technique in modern photography. Traditional methods focus on HDR reconstruction from multiple images, solving the core problems of image alignment, fusion, and tone mapping, yet having a…

图像与视频处理 · 电气工程与系统科学 2022-10-31 Phuoc-Hieu Le , Quynh Le , Rang Nguyen , Binh-Son Hua

Microscopy images often suffer from high levels of noise, which can hinder further analysis and interpretation. Content-aware image restoration (CARE) methods have been proposed to address this issue, but they often require large amounts of…

图像与视频处理 · 电气工程与系统科学 2023-03-30 Felix Fuentes-Hurtado , Jean-Baptiste Sibarita , Virgile Viasnoff

Limited amount of labelled training data are a common problem in medical imaging. This makes it difficult to train a well-generalised model and therefore often leads to failure in unknown domains. Hippocampus segmentation from magnetic…

图像与视频处理 · 电气工程与系统科学 2022-01-19 John Kalkhof , Camila González , Anirban Mukhopadhyay

An important task in image processing and neuroimaging is to extract quantitative information from the acquired images in order to make observations about the presence of disease or markers of development in populations. Having a…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Camilo Bermudez , Andrew J. Plassard , Larry T. Davis , Allen T. Newton , Susan M Resnick , Bennett A. Landman

The recent direction of unpaired image-to-image translation is on one hand very exciting as it alleviates the big burden in obtaining label-intensive pixel-to-pixel supervision, but it is on the other hand not fully satisfactory due to the…

计算机视觉与模式识别 · 计算机科学 2019-02-27 Rui Zhang , Tomas Pfister , Jia Li

One-shot segmentation of brain tissues is typically a dual-model iterative learning: a registration model (reg-model) warps a carefully-labeled atlas onto unlabeled images to initialize their pseudo masks for training a segmentation model…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Jinxin Lv , Xiaoyu Zeng , Sheng Wang , Ran Duan , Zhiwei Wang , Qiang Li

While remarkable advances have been made in Computed Tomography (CT), most of the existing efforts focus on imaging enhancement while reducing radiation dose. How to harmonize CT image data captured using different scanners is vital in…

图像与视频处理 · 电气工程与系统科学 2021-10-20 Md Selim , Jie Zhang , Baowei Fei , Guo-Qiang Zhang , Gary Yeeming Ge , Jin Chen

The lack of standardization is a prominent issue in magnetic resonance (MR) imaging. This often causes undesired contrast variations in the acquired images due to differences in hardware and acquisition parameters. In recent years, image…

Diffusion-weighted magnetic resonance imaging (DW-MRI) derived scalar maps are effective for assessing neurodegenerative diseases and microstructural properties of white matter in large number of brain conditions. However, DW-MRI inherently…