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相关论文: Towards Learning Contrast Kinetics with Multi-Cond…

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Imaging in clinical oncology trials provides a wealth of information that contributes to the drug development process, especially in early phase studies. This paper focuses on kinetic modeling in DCE-MRI, inspired by mixed-effects models…

The accurate diagnosis of pathological subtypes of lung cancer is of paramount importance for follow-up treatments and prognosis managements. Assessment methods utilizing deep learning technologies have introduced novel approaches for…

图像与视频处理 · 电气工程与系统科学 2024-07-19 Yuan Jin , Gege Ma , Geng Chen , Tianling Lyu , Jan Egger , Junhui Lyu , Shaoting Zhang , Wentao Zhu

Tracer-kinetic analysis of dynamic contrast-enhanced magnetic resonance imaging data is commonly performed with the well-known Tofts model and nonlinear least squares (NLLS) regression. This approach yields point estimates of model…

医学物理 · 物理学 2020-01-08 Andreas Mittermeier , Birgit Ertl-Wagner , Jens Ricke , Olaf Dietrich , Michael Ingrisch

Various imaging modalities are used in patient diagnosis, each offering unique advantages and valuable insights into anatomy and pathology. Computed Tomography (CT) is crucial in diagnostics, providing high-resolution images for precise…

图像与视频处理 · 电气工程与系统科学 2024-12-30 Rabeya Tus Sadia , Jie Zhang , Jin Chen

Magnetic resonance imaging (MRI) is an invaluable tool for clinical and research applications. Yet, variations in scanners and acquisition parameters cause inconsistencies in image contrast, hindering data comparability and reproducibility…

图像与视频处理 · 电气工程与系统科学 2025-09-09 Daniel Scholz , Ayhan Can Erdur , Robbie Holland , Viktoria Ehm , Jan C. Peeken , Benedikt Wiestler , Daniel Rueckert

The recently rising markup-to-image generation poses greater challenges as compared to natural image generation, due to its low tolerance for errors as well as the complex sequence and context correlations between markup and rendered image.…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Guojin Zhong , Jin Yuan , Pan Wang , Kailun Yang , Weili Guan , Zhiyong Li

Deep learning has the potential to revolutionize medical practice by automating and performing important tasks like detecting and delineating the size and locations of cancers in medical images. However, most deep learning models rely on…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Eirik A. Østmo , Kristoffer K. Wickstrøm , Keyur Radiya , Michael C. Kampffmeyer , Robert Jenssen

Purpose A Magnetic Resonance Imaging (MRI) exam typically consists of several sequences that yield different image contrasts. Each sequence is parameterized through multiple acquisition parameters that influence image contrast,…

图像与视频处理 · 电气工程与系统科学 2022-02-23 Jonas Denck , Jens Guehring , Andreas Maier , Eva Rothgang

The integration of deep learning technologies in medical imaging aims to enhance the efficiency and accuracy of cancer diagnosis, particularly for pancreatic and breast cancers, which present significant diagnostic challenges due to their…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Minhee Jang , Juheon Son , Thanaporn Viriyasaranon , Junho Kim , Jang-Hwan Choi

The purpose of this study is to investigate a method, using simulations, to improve contrast agent quantification in Dynamic Contrast Enhanced MRI. Bayesian hierarchical models (BHMs) are applied to smaller images ($10\times10\times10$)…

应用统计 · 统计学 2017-01-24 Jianfeng Wang , Anders Garpebring , Patrik Brynolfsson , Xijia Liu , Jun Yu

Purpose: To apply tracer kinetic models as temporal constraints during reconstruction of under-sampled dynamic contrast enhanced (DCE) MRI. Methods: A library of concentration v.s time profiles is simulated for a range of physiological…

Dynamic contrast-enhanced magnetic resonance imaging (DCE- MRI) is a widely used multi-phase technique routinely used in clinical practice. DCE and similar datasets of dynamic medical data tend to contain redundant information on the…

Non-mass enhancing lesions (NME) constitute a diagnostic challenge in dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) of the breast. Computer Aided Diagnosis (CAD) systems provide physicians with advanced tools for analysis,…

Multi-contrast MRI acquisitions of an anatomy enrich the magnitude of information available for diagnosis. Yet, excessive scan times associated with additional contrasts may be a limiting factor. Two mainstream approaches for enhanced scan…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Salman Ul Hassan Dar , Mahmut Yurt , Mohammad Shahdloo , Muhammed Emrullah Ildız , Tolga Çukur

Medical imaging plays a critical role in various clinical applications. However, due to multiple considerations such as cost and risk, the acquisition of certain image modalities could be limited. To address this issue, many cross-modality…

图像与视频处理 · 电气工程与系统科学 2019-07-09 Dong Nie , Lei Xiang , Qian Wang , Dinggang Shen

Synthetic contrast enhancement offers fast image acquisition and eliminates the need for intravenous injection of contrast agent. This is particularly beneficial for breast imaging, where long acquisition times and high cost are…

图像与视频处理 · 电气工程与系统科学 2025-06-24 Daniel M. Lang , Richard Osuala , Veronika Spieker , Karim Lekadir , Rickmer Braren , Julia A. Schnabel

Dynamic Contrast Enhanced Magnetic Resonance Imaging aids in the detection and assessment of tumor aggressiveness by using a Gadolinium-based contrast agent (GBCA). However, GBCA is known to have potential toxic effects. This risk can be…

图像与视频处理 · 电气工程与系统科学 2024-02-06 Sadhana S , Sriprabha Ramanarayanan , Arunima Sarkar , Matcha Naga Gayathri , Keerthi Ram , Mohanasankar Sivaprakasam

Multi-contrast magnetic resonance imaging (MRI) is the most common management tool used to characterize neurological disorders based on brain tissue contrasts. However, acquiring high-resolution MRI scans is time-consuming and infeasible…

图像与视频处理 · 电气工程与系统科学 2023-06-08 Ye Mao , Lan Jiang , Xi Chen , Chao Li

Scaling by training on large datasets has been shown to enhance the quality and fidelity of image generation and manipulation with diffusion models; however, such large datasets are not always accessible in medical imaging due to cost and…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Yousef Yeganeh , Azade Farshad , Ioannis Charisiadis , Marta Hasny , Martin Hartenberger , Björn Ommer , Nassir Navab , Ehsan Adeli

Multi contrast MRI synthesis is inherently challenging due to the complex and nonlinear relationships among different contrasts. Each MRI contrast highlights unique tissue properties, but their complementary information is difficult to…

图像与视频处理 · 电气工程与系统科学 2025-06-23 Sanuwani Dayarathna , Himashi Peiris , Kh Tohidul Islam , Tien-Tsin Wong , Zhaolin Chen