对比度

Enhancement effect is obvious by combining de noising method with non linear gain method in the high frequency sub bands with worse resolution.

实验结果表明，本文提出的方法在有效的增强红外图像对比度的同时，又能很好的抑制红外图像中相关噪声、加性高斯白噪声和乘性噪声

In chapter six, the contrast ratio measurement of laser pulses is researched.

在第六章中，研究了激光脉冲对比度的测量。

The contrast of the simulated target can be changed,and the value of the contrast can be quantified.

数字仿真目标的对比度是可以变化的。

Contrast source inversion algorithm recasts the inversion problem as a minimization of a cost functional, thus an iterative sequence is formed to reconstruct the contrast sources and contrasts.

对比源反演算法将反演问题转化为求解成本泛函的极小值问题，从而形成重构对比源和对比度的迭代序列。

The target s SNRand contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.

海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低，而且舰船目标像素较少。

Results show that the method effectively improves image contrast and restrains some background clutter.

实验结果表明，提出的方法有效地增强了图像的对比度，同时抑制了部分起伏的背景。

These technologies can enhance the resolution of lithography by changing the distribution of the object's spectrum in and out of the pupil, and then decreasing the object's lower frequency parts and increasing higher frequency parts.Modeling of the lithography is essential to the RETs.

空间滤波技术主要是指离轴照明技术和光瞳滤波技术，它们都是通过改变入瞳体或出瞳体的物体的频谱的分布，达到降低低频分量，相对提高高频分量，最终提高光强对比度，从而提高光刻分辨率。

We love the scalloped detailing and the oversized, contrast buttons.

我们非常喜欢扇形详细和超大，对比度按钮。

In detail, the general functions include displaying historgraph, adjusting light, enhancing constrast, inversing gray, zooming image, median filtering, high filtering, low filtering, noise filtering, isolated point filtering, high sharping, low sharping, Laplac edge enhancing, Sobel edge measuring, erosion edge measuring, dilation, erosion, open, close, binary.

通用功能包括直方图显示与统计、亮度调节、对比度增强、灰度反置、图象缩放、中值滤波、高通滤波、低通滤波、躁声滤波、孤立黑点滤波、高通锐化、低通锐化、拉普拉斯边缘增强、Sobel边缘检测、收缩边缘检测、图象膨胀、图象腐蚀、图象开闭，二值化等。

Finaly many experiments are completed in the lab in diffrient conditions , which contains illuminance of crack 、 contrast of image 、 distance of shotting and focal length, to review the accuracy of the new system and to analys the rule of th effection of the accuracy .

在论文的后阶段，设计了实验室中进行的两个层次的考核和标定试验，并对应用中必然遇到的物面光照度、图像对比度、测量距离和焦距的改变，对试验样本测量精度的规律作出了初步分析，为新方法的进一步完善提供了有价值的工作基础。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐