相关实验视频
Updated: Jul 21, 2025

04:48
Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique
Published on: July 5, 2024
442
从动态对比增强磁共振成像中进行脏细分,整合深度卷积神经网络和水平设置方法
Moumen T El-Melegy1, Rasha M Kamel2, Mohamed Abou El-Ghar3
1Electrical Engineering Department, Assiut University, Assiut 71515, Egypt.
Bioengineering (Basel, Switzerland)
|July 29, 2023
概括
这项研究引入了一种使用深度学习和水平集的新双相方法,用于动态对比增强MRI (DCE-MRI) 中的自动脏细分. 这种方法准确地划分了脏,这对于评估慢性脏疾病至关重要.
科学领域:
- 医疗成像医学成像
- 腎臟病學 (nephrology) 是一種醫學專業.
- 人工智能的人工智能
背景情况:
- 动态对比增强磁共振成像 (DCE-MRI) 对于诊断和治疗慢性病至关重要.
- 从DCE-MRI中精确细分脏对于评估脏功能至关重要.
- 深度卷积神经网络 (CNN) 显示出对医疗图像细分任务的希望.
研究的目的:
- 在DCE-MRI扫描中提出一种全自动化,两相的细分方法.
- 整合CNN和等级设置方法,以精确划分脏.
- 与现有技术相比,评估拟议方法的有效性.
主要方法:
- 开发两个基于U-Net (UNT) 的CNN,从DCE-MRI扫描中生成脏概率图.
- 预测概率图的集成与一个水平设置方法,结合形状的先前信息.
- 利用45个受试者的数据集进行培训,验证和测试自动化细分方法.
主要成果:
- 拟议的两相方法在细分方面取得了高性能.
- 关键指标包括0.95 ± 0.02的子相似系数和0.91 ± 0.03.03的交叉与结合.
- 记录了95%的1.54±1.6的豪斯多夫距离,证明了准确性.
结论:
- 开发的两相方法在DCE-MRI扫描中有效地对进行细分.
- 该方法与独立的UNT模型和其他基于水平集的技术相比,显示出更高的性能.
- 这种自动化方法具有改善慢性病评估的巨大潜力.
相关概念视频
Imaging Studies I: Kidney, Ureter, and Bladder Studies
25
Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
25
Imaging Studies IV: Magnetic Resonance Imaging
27
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
27
Kidney Structure
70.0K
The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
70.0K
External Anatomy of the Kidney
1.2K
The kidneys are a pair of bean-shaped organs in the human body that play a critical role in maintaining overall health. They filter out waste products from the blood, regulate blood pressure, maintain electrolyte balance, and stimulate the production of red blood cells.
The kidneys are located in the retroperitoneal space on either side of the vertebral column, protected posteriorly by the 11th and 12th ribs. The right kidney sits slightly lower than the left owing to the presence of the liver...
The kidneys are located in the retroperitoneal space on either side of the vertebral column, protected posteriorly by the 11th and 12th ribs. The right kidney sits slightly lower than the left owing to the presence of the liver...
1.2K

