The influence of the phase step of the broadband terahertz pulses on the edge contrast is discussed.
讨论了太赫兹脉冲在样品边缘处经历的相位阶跃与边缘对比度的关系。
This thesis proposes an algorithmic adaptive image enhancement method based on pixel classification, but this method only can change edge slope and can not change edge contrast.
本文在图像自适应增强方面，提出了基于像素分类的算法自适应图像增强方法。但是这种方法只能改变边缘的斜率而不能改变边缘两侧的对比度。
While shapes are mostly defined by a contrast between elements, they're also defined by their contour, or edge.
虽然形状主要是通过元素间的对比来定义，但它们也可以借助轮廓线或边来定义。
For example, an edge might be a contrast between values (the difference between light and dark), colors, textures, or even rhythms (repetition of imagery), without the use of line at all.
例如，边可能是属性值(明暗差异)、颜色、纹理乃至规律(图像反复)的对比，完全与线无关。
Grasses, by contrast, are doing well.So far, they have invaded as far as 200 metres from the edge of the forest.
相反，草类则生长得非常繁茂，到目前为止，它们已经从森林边缘侵入了长达200米的距离。
Grasses, by contrast, are doing well. So far, they have invaded as far as 200 metres from the edge of the forest.
相反，草类则生长得非常繁茂，到目前为止，它们已经从森林边缘侵入了长达200米的距离。
In contrast, prospects for planets at the galaxy's edge are bleak.
与此相反，银河系边缘的星球却前途暗淡。
The upper edge of J-10B’s tailfin is curved, in contrast to the straight-edged tailfin of the J-10.
J-10B战机的垂尾顶部边缘呈现弧形，与J-10垂尾的平直形状对比鲜明。
The end result is superb edge to edge resolution and high contrast in a low cost lens.
最终结果是极好的边缘到边缘的分辨率和低成本的镜头，高对比度。
Contrast to the stack filter based edge detection. the proposed method gainis higher speed, uses less memory for optimal training of stack filter.
相对于基于堆栈滤波器边界检测法，该方法对堆栈滤波器的优化训练速度大大提高，所需内存大为减少；
The density and contrast of images were adjusted by the gradation processing, the tiny construction of images was enhanced by the edge enhancement.
运用层次处理技术调整图像的密度和对比度，运用锐化处理技术实施影像细节的增强。
Results: the best imagine edge effect and visual sense definition for red free light picture contrast is 0.87. Grey brume is the second important parameter.
结果：无赤光像反差为0.87时影像边缘效应、视觉清晰度最佳，灰雾为第二位。
It can be made easily and the contrast of edge enhanced images can be controlled continuously.
制作简单，且可连续控制边缘增强图像的对比度。
Phase Congruency Model avoids the hypothesis of the edge type in advance, and is invariant by contrast.
相位一致性模型避免预先假设边缘的类型，且不受明暗对比度的影响。
But SAR image is liable to be affected by speckle noise, while almost spectral image have shortcomings of low contrast between object and background, edge blurring.
但SAR图像容易受到相干斑噪声的影响，而光谱图像普遍存在目标与背景对比度差、边缘模糊的缺点。
By qualitative contrast between this two methods, explain wavelet transform edge detection algorithm detects the image that have edge distinct, fine, fight to chirp performance strong etc.
通过对这两种方法的定性对比，得出小波变换边缘检测算法检出的图像具有边缘清晰、细腻，抗噪性能强等特点。
Aiming at the disadvantage of fuzzy image, by making some analysis about extracting edge feature based on fuzzy contrast enhancement algorithm, two images registration is achieved.
针对模糊图像的弱点，分析了通过增强象素模糊属性对比度来提取边界特征的基本原理，实现了两幅图像的配准。
The contrast result provided a reliable basis for selecting subpixel edge detections in practice.
分析和讨论的结果为亚像素边缘定位技术的选取提供可靠依据。
By contrast, Mr Gates seems determined to understate, taking the controversial edge off his observations with language chosen so carefully that it must have been through an army of PR people.
相比之下，盖茨先生似乎决心有轻描淡写，脱离他的观察和认真的语言选择，而选择颇具争议的边缘，这一定会是彻底的一个军团的公关人员。
Properly shifting the filter on the frequency region can improve the contrast and the contour acuity of the output image. It is profitable for edge detection.
阶跃滤波器在频域的适当的位移(偏置)即可以改善输出图像的衬底，也能改善其轮廓视锐度，从而有利于图像边缘的检测。
It improves the clarity of the image and retains the details of the image in large extent, with the advantages of prominent edge information and high brightness and contrast.
它提高了图像的清晰度，较大程度保留了细节信息，具有边缘信息突出，亮度对比度高的优点。
Contrast application finds that the ultrasonic cleaning is the best method is melt cutting and edge finishing as well as cleaning.
通过对比指出网圈的熔切锁边和清洗方法以超声波法为最好。
In contrast with the conventional filters, HTS filters provided many advantages, such as much less insert loss, more steep edge, smaller size and easier integration.
相对于传统滤波器，高温超导滤波器具有带内插损小，带边陡峭，体积小、易于集成等优点。
For the middle omni light use the same Settings as above for both Contrast and Soften Diff. Edge but make it a pure white.
对于中间的泛光灯，使用和上面一样的对比度和柔和漫射边缘，但是颜色是纯白。
For the middle omni light use the same Settings as above for both Contrast and Soften Diff. Edge but make it a pure white.
对于中间的泛光灯，使用和上面一样的对比度和柔和漫射边缘，但是颜色是纯白。
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