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Image-generative artificial intelligence (AI) has garnered significant attention in recent years. In particular, the diffusion model, a core component of generative AI, produces high-quality images with rich diversity. In this study, we…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Sho Ozaki , Shizuo Kaji , Toshikazu Imae , Kanabu Nawa , Hideomi Yamashita , Keiichi Nakagawa

Cone Beam Computed Tomography (CBCT) is widely used in dentistry for diagnostics and treatment planning. CBCT Imaging has a long acquisition time and consequently, the patient is likely to move. This motion causes significant artifacts in…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Abdul Salam Rasmi Asraf Ali , Andrea Fusiello , Claudio Landi , Cristina Sarti , Anneke Annassia Putri Siswadi

Computed tomography (CT) is a widely used imaging modality for medical diagnosis and treatment. In electroencephalography (EEG), CT imaging is necessary for co-registering with magnetic resonance imaging (MRI) and for creating more accurate…

医学物理 · 物理学 2019-06-12 Andreas D. Lauritzen , Xenophon Papademetris , Sergei Turovets , John A. Onofrey

With the rapid development of generative AI in medical imaging, synthetic Computed Tomography (CT) images have demonstrated great potential in applications such as data augmentation and clinical diagnosis, but they also introduce serious…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Yiheng Li , Zichang Tan , Guoqing Xu , Yijun Ye , Yang Yang , Zhen Lei

Patient motion during medical image acquisition causes blurring, ghosting, and distorts organs, which makes image interpretation challenging. Current state-of-the-art algorithms using Generative Adversarial Network (GAN)-based methods with…

图像与视频处理 · 电气工程与系统科学 2025-05-12 Andrew Zhang , Hao Wang , Shuchang Ye , Michael Fulham , Jinman Kim

This paper proposes a sinogram consistency learning method to deal with beam-hardening related artifacts in polychromatic computerized tomography (CT). The presence of highly attenuating materials in the scan field causes an inconsistent…

医学物理 · 物理学 2019-06-06 Hyung Suk Park , Sung Min Lee , Hwa Pyung Kim , Jin Keun Seo

Cone Beam Computed Tomography (CBCT) plays a key role in dental diagnosis and surgery. However, the metal teeth implants could bring annoying metal artifacts during the CBCT imaging process, interfering diagnosis and downstream processing…

图像与视频处理 · 电气工程与系统科学 2024-04-19 Yuxuan Shi , Jun Xu , Dinggang Shen

Segmenting anatomical structures in medical images has been successfully addressed with deep learning methods for a range of applications. However, this success is heavily dependent on the quality of the image that is being segmented. A…

图像与视频处理 · 电气工程与系统科学 2020-07-06 Ilkay Oksuz , James R. Clough , Bram Ruijsink , Esther Puyol Anton , Aurelien Bustin , Gastao Cruz , Claudia Prieto , Andrew P. King , Julia A. Schnabel

Magnetic Resonance Imaging (MRI) is considered the gold standard of medical imaging because of the excellent soft-tissue contrast exhibited in the images reconstructed by the MRI pipeline, which in-turn enables the human radiologist to…

图像与视频处理 · 电气工程与系统科学 2023-06-26 Divyam Madaan , Daniel Sodickson , Kyunghyun Cho , Sumit Chopra

Fusion-based hyperspectral image (HSI) super-resolution has become increasingly prevalent for its capability to integrate high-frequency spatial information from the paired high-resolution (HR) RGB reference image. However, most of the…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Zeqiang Lai , Ying Fu , Jun Zhang

The purpose of this work is to provide a fast and accurate scatter artifacts correction algorithm for cone beam CT (CBCT) imaging. The method starts with an estimation of coarse scatter profiles for a set of CBCT data in either image domain…

医学物理 · 物理学 2016-04-27 Wei Zhao , Don Vernekohl , Jun Zhu , Luyao Wang , Lei Xing

In computed tomography (CT), the forward model consists of a linear Radon transform followed by an exponential nonlinearity based on the attenuation of light according to the Beer-Lambert Law. Conventional reconstruction often involves…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Sara Fridovich-Keil , Fabrizio Valdivia , Gordon Wetzstein , Benjamin Recht , Mahdi Soltanolkotabi

Artifacts pose a significant challenge in medical imaging, impacting diagnostic accuracy and downstream analysis. While image-based approaches for detecting artifacts can be effective, they often rely on preprocessing methods that can lead…

图像与视频处理 · 电气工程与系统科学 2025-08-08 Caner Özer , Patryk Rygiel , Bram de Wilde , İlkay Öksüz , Jelmer M. Wolterink

Image registration between histology and magnetic resonance imaging (MRI) is a challenging task due to differences in structural content and contrast. Too thick and wide specimens cannot be processed all at once and must be cut into smaller…

计算机视觉与模式识别 · 计算机科学 2017-08-29 Jonas Pichat , Juan Eugenio Iglesias , Sotiris Nousias , Tarek Yousry , Sebastien Ourselin , Marc Modat

Automated lesion segmentation of medical images has made tremendous improvements in recent years due to deep learning advancements. However, accurately capturing fine-grained global and regional feature representations remains a challenge.…

图像与视频处理 · 电气工程与系统科学 2025-11-26 Chuhan Wang , Zhenghao Chen , Jean Y. H. Yang , Jinman Kim

Kidney DCE-MRI aims at both qualitative assessment of kidney anatomy and quantitative assessment of kidney function by estimating the tracer kinetic (TK) model parameters. Accurate estimation of TK model parameters requires an accurate…

机器学习 · 计算机科学 2022-01-03 Aziz Koçanaoğulları , Cemre Ariyurek , Onur Afacan , Sila Kurugol

Spectral photon-counting X-ray CT (sCT) opens up new possibilities for the quantitative measurement of materials in an object, compared to conventional energy-integrating CT or dual energy CT. However, achieving reliable and accurate…

图像与视频处理 · 电气工程与系统科学 2020-07-15 Bingqing Xie , Pei Niu , Ting Su , Valérie Kaftandjian , Loic Boussel , Philippe Douek Feng Yang , Philippe Duvauchelle , Yuemin Zhu

Accelerated MRI reconstructs images of clinical anatomies from sparsely sampled signal data to reduce patient scan times. While recent works have leveraged deep learning to accomplish this task, such approaches have often only been explored…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Michael S. Yao , Michael S. Hansen

In modern cancer diagnostics, Whole Slide Imaging (WSI) is widely used to digitize tissue specimens for detailed, high-resolution examination; however, other diagnostic approaches, such as liquid biopsy and molecular testing, are also…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Seyed Kahaki , Alexander R. Webber , Ghada Zamzmi , Adarsh Subbaswamy , Rucha Deshpande , Aldo Badano

Concurrent EEG-fMRI recordings are advantageous over serial recordings, as they offer the ability to explore the relationship between both signals without the compounded effects of nonstationarity in the brain. Nonetheless, analysis of…

神经元与认知 · 定量生物学 2024-11-12 Jerome Gilles , Travis Meyer , Pamela K. Douglas