对比传统方法的肺血管分割结果,它能更准确地分割出肺ct图像中的血管。
And compared to traditional pulmonary vascular segmentation method, it has more accurate segmentation ability of the pulmonary vascular in CT images.
实验表明,增强后的图像质量良好,对临床诊断和血管分割具有较高实用价值。
Tests show that the algorithms is indeed valuable for diagnosis and vessel extraction.
本文主要研究数字减影血管造影三维重建过程中的血管分割、中轴提取以及血管的三维表达问题。
In this paper we mostly research vessel segmentation, vessel centerline extraction and the three dimensional representation of vessels in the three dimensional reconstruction.
因为视网膜图像中血管和背景在局部范围内都比较均匀,所以在每个子图像中都存在一个局部阈值能够将其中的血管分割出来。
Because both vessels and background are locally uniform in retinal images, there must be a threshold which is able to segment vessels precisely in a certain sub-image.
针对现有视网膜血管分割方法对于小血管和低对比度血管分割效果差的问题,提出了一种基于过渡区提取的视网膜血管分割方法。
Aiming at the bad performance of existing retinal blood vessel segmentation methods for small and low contrast vessels, a new segmentation method based on transition region extraction is proposed.
血管影像的特点是受噪声影响、血管形态模糊、背景噪声和目标混杂,以及目标与背景对比度低,这些都给分割任务带来困难。
Vascular tree angiograms suffer from noise and they are fuzzy, low-contrast with the vessel disturbed by background. Thus, segmentation is a difficult task.
结果表明,该方法对分割粘连血管型结节是有效的。
The results revealed that the proposed method is successful in segmentation lung nodules connected vessel.
用外周血管评估指数和心功能评估指数构成参数平面,应用约登指数将该平面分割为9个区域,分别对应不同的心血管状态;
The above two indexes were utilized to establish a parameter plane. The plane was divided into 9 areas to indicate various cardiovascular statuses by 'Youden index'.
本文综述图像分割技术在血管图像方面的应用。
In this paper, the clinical applications of medical image segmentation techniques in vasculature imaging were reviewed.
在血管分析诊断系统中,血管的分割、提取与可视化技术发挥着极其重要的作用。
In the blood vessel analysis and diagnosis system, the extraction and visualization of blood vessels play a vita role.
目的:观察前臂伸肌内神经血管解剖分布,探讨前臂肌是否可被分割为若干个功能单位,以提供新的功能性骨骼肌游离移植供区。
Objective: to explore intramuscular neurovascular distribution of forearm extensors and evaluate whether muscles of forearm can be divided into several functional units for transplantation.
根据穿支血管支配区域,对图像进行多次分割,构建数字化穿支皮瓣。
Based on perforator region, we had got digital perforator flaps by segmentation of images.
在进行图像分割前,对图像进行了组合滤波的处理,使图像分割出来的血管模型更为精确。
We also use the combined filter on the image to make the model more precision before the image segmentation.
针对脑部和肝部DSA图像进行实验后,结果表明本文所提出的方法可以快速有效的分割出血管结构。
We do experiments on cerebral and hepatic DSA images, showing that our proposed methods yield satisfactory binary results efficiently.
但由于血管的细微和图像分辨率的限制使分割成为困难,所以对于皮瓣的三维重建是个难题。
But because of the restrictions on minor vascular structures and image resolution, It is difficult to separate. Therefore, 3d reconstruction of the flap is a problem.
但由于血管的细微和图像分辨率的限制使分割成为困难,所以对于皮瓣的三维重建是个难题。
But because of the restrictions on minor vascular structures and image resolution, It is difficult to separate. Therefore, 3d reconstruction of the flap is a problem.
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