The diffusion images demonstrate no significant acute perfusion defect.
弥散显示无明显的急性梗塞。
Objective To remove the speckle noise in ultrasonic images by using anisotropic diffusion method.
目的将各向异性扩散方法应用于超声医学图像的去噪处理。
These filters may boil down to solving nonlinear diffusion equations with initial values being input images.
这些非线性图像滤波大多源于求解初始值为输入图像的非线性扩散方程。
An overview of already proposed watermarking algorithms for halftone images is given, based on the introduction of three kinds of halftone methods, ordered dithering, error diffusion and pattern.
介绍了有序抖动、误差扩散和模板法三种图像半色调方法，在此基础上，综述了现有的半色调图像水印算法，并对其中的四种方法进行了比较。
There is focal high signal in the peripheral left frontal region (arrow) which corresponded to an area of acute infarct on diffusion weighted images and ADC map.
在左侧额叶外周可见高信号影（箭头），在弥散序列和ADC图像上符合急性梗塞。
Second, this new framework introduces a high efficiency shape and anatomy prior constraints model. The experiments on the cardiac MR images show the Diffusion Level Set can get nice result.
对心脏MR图像的分割试验表明，带先验约束的扩散水平集混合模型对左心室内外壁轮廓的分割结果较为理想。
Therefore, the social and cultural contexts have a great influence on the construction and diffusion of images.
由此我们看到，社会与文化语境对形象塑造和传播起着重要的影响作用。
Based on the model test, the instantaneous concentration and velocity images in different temperatures and scales are put forwarded. And the range, shape and trend of diffusion are acquired.
本文结合模型试验，得出了不同温升及变率下表面横向浮射流的瞬时浓度场和流速场，进而分析得出随着温度及变率的变化浓度场的扩散范围、形态特点和趋势。
The improved model not only detects effectively the detailed edges in images, but also preserves the stability of anisotropic diffusion.
实验结果表明，该方法不仅能够更有效地识别噪声图像中的细节边缘，而且还保证了各向异性扩散模型的稳定性；
The team then applied fiber tracking to construct a 3-D visualization of the brain's white matter tracts based on the diffusion tensor images.
这个研究小组应用光纤跟踪技术，通过扩散量成像构建一个大脑白质的三维立体图。
The site presents images and videos of actin phosphate release and discusses actin's 'backdoor' diffusion pathway of phosphate release.
该网站提供了一些有关肌动蛋白磷酸盐释放的电影和图片，并讨论了肌动蛋白磷酸盐释放的“后门”扩散途径。
Based on the emission, absorption, diffusion, reflection and scatteration of light by a voxel, it is suitable for generating and rendering realistic images of complex scenes.
基于体单元对光线的发射、吸收、漫射、反射和散射基础上的体放射法，适用于复杂景物的生成和演示，在真实感图形演示中具有重要地位。
For serial images with linear structure, 3d coherence enhancing diffusion model is introduced.
在此基础上，针对线性结构图像序列，给出了三维一致增强性扩散模型。
Based on the emission, absorption, diffusion, reflection and scatteration of light by a voxel, it is suitable for generating and rendering realistic images of complex scenes.
它建立在体单元对光线的发射、吸收、漫射、反射和散射的基础上，适用于复杂景物的生成和演示。
In all lesions, the signal intensity ratio was generally lower on exponential diffusion coefficient images compared with that on diffusion-weighted images.
所有病灶在指数扩散系数像上的信号强度比率要比扩散加权像减低。
A new type of diffusion process simultaneously denoising and sharpening images was considered.
提出了一个新的能够同时去除图像噪声和锐化边缘的扩散方程模型。
In this paper we propose a new ultrasound image segmentation scheme for segmentation of low SNR ultrasound images, which consisted of anisotropic diffusion function and snake model.
为了对低信噪比的超声图像进行有效分割，提出了一种新的超声图像分割方案，该方案由各向异性扩散方程和蛇模型组成。
In this paper we propose a new ultrasound image segmentation scheme for segmentation of low SNR ultrasound images, which consisted of anisotropic diffusion function and snake model.
为了对低信噪比的超声图像进行有效分割，提出了一种新的超声图像分割方案，该方案由各向异性扩散方程和蛇模型组成。
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