对比度

The average operation time of DSP is 2 ms with one primary window size 230×200, 0.4 ms with three secondary Windows size 60×60 respectively. Under the tanglesome background, prompt tracking the targets of low contrast is achieved.

1个 3 2 0× 160主窗口的 DSP平均处理时间为 2 m s，3个 60× 60副窗口的 DSP平均处理时间各为 0 。4ms，实现了复杂背景下低对比度目标的快速跟踪。

The average operation time of DSP is 2ms with one primary window size 230×200, 0.4ms with three secondary windows size 60×60 respectively. Under the tanglesome background, prompt tracking the targets of low contrast is achieved.

一个320×160主窗口的DSP平均处理时间为2ms，三个60×60副窗口的DSP平均处理时间各为0.4ms，实现了复杂背景下低对比度目标的快速跟踪。

Using optimized linear assemble language to improve real timing and precision. The average operation time of DSP is 2 ms with one primary window size 230×200, 0.4 ms with three secondary Windows size 60×60 respectively. Under the tanglesome background, prompt tracking the targets of low contrast is achieved.

为了提高实时性和精确度，采用线性汇编优化实现。1个 3 2 0× 160主窗口的 DSP平均处理时间为 2 m s，3个 60× 60副窗口的 DSP平均处理时间各为 0 。4ms，实现了复杂背景下低对比度目标的快速跟踪。

The energy spectra of hot electrons have been measured using the magnetic spectrometers, fitted with the LiF thermoluminescent dosimeter which were calibrated using Cs~(137)γ-ray sources, in the interaction of a 130 mJ, 60 fs, 800 nm, 1∶10~(-6), 7.0×10~(17) W·cm~(-2) P-polarized laser incidence on Cu foil target at an angle of 45° with respect to the target normal without any prepulse.

在激光能量130mJ，脉宽60fs，波长800nm，对比度1∶10-6，激光与靶法线成45°夹角， P偏振，靶面激光峰值功率密度约为7.0×1017W·cm-2，无预脉冲的条件下，采用电子谱仪与经γ标准源标定的LiF热释光探测器相配合，测量了飞秒激光薄膜靶相互作用中产生的超热电子能谱。

Basic operators of color image morphology are established.The result of the experiment demonstrates that the color vector order has good property.The algorithm of color image morphology based on this order can better keep the peripheral information and hue of the image and has the strong point of unnecessity of exchanging between different color spaces.

实验结果表明提出的颜色向量序性能良好，建立在该向量序上的彩色图像形态学算法能够较好的保持图像的边缘信息和色调，并且亮度均匀，与原图像相比对比度均匀增强，重构开算法的实验结果比原文献中方法有了较大的改进；具有不需要在不同的颜色空间之间转换的优点。

The infrared image has blur edges and many noise points. Traditional methods need to calculate the grads, so they are sensitive to unregular details and noises. When the contrast is low, departure may appear for extracted transition region, thus will affect the judgement of segmentation threshold value and the segmentation result.

红外图像边缘模糊、噪声点多，而传统的过渡区提取算法需计算梯度因而对非规则细节和噪声敏感，尤其当对比度较低时极易导致提取的过渡区发生偏离，影响分割阈值的判定和分割结果的准确性。

Levels, curves and the Unsharp Mask can be used creatively with black and white conversion to provide further control over tones and contrast to create a stunning image.

水平线，曲线和Unsharp Mas在黑白转换时加以灵活的运用，可以进一步控制色调和对比度，这样就可以制作出令人目眩的图像

The following font combination might work like a charm in print, and even on the screen it's OK, but at iPad resolution/contrast the bold "a grazil snail" and "eats a bird" clash

下面的这个字体组合可能在印刷版上看起来很棒，就算是在电脑屏幕上看起来也是不错，但在iPad的分辨率和对比度下，看起来加黑的&a grazil snail&和没加黑&eat a bird&不协调。

Contrast and clarity are two aces you don't want to be without.

对比度和清晰度有两个ACE球你不想没有。

According to the deficiency of Image Fusion applications in entertainment equipments, such as no special research that combines Virtual Reality, Self-control Photographing, Computer Vision and Image Fusion technologies together, we propose an Image Fusion algorithm base on Character of Apperceiving Contrast, which take system elements into account, e.g. integrity image quality balance and costs.

鉴于目前对图像融合技术在娱乐领域的应用缺乏研究，尤其缺乏将虚拟现实技术、自助照相技术、机器视觉技术和图像融合技术综合运用的分析研究，因此我们从分析人类视觉特征入手，运用系统的观念综合平衡图像质量、系统成本等技术指标，在对虚拟实时自助照相系统具体技术指标深入分析的基础上，提出了基于对比度感知特征（Character of Apperceiving Contrast）的图像融合算法。

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