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Second, the theory of scale space was used to design a new operator for target detection and tracking. Then, the property of scale invariant was analyzed and proved, and a tracking scheme based on the gradient LOG operator was proposed. Experimental results show that the gradient LOG operator is appropriate to describe small target in complex background, and the detection precision is in the level of sub-pixel. Furthermore, it is efficient and robust to noise.

然后根据尺度空间的基本理论构造了一种针对该成像模型的目标检测算子，分析并证明了该算子具有尺度不变性的优点，设计并实现了基于梯度LOG算子的小目标跟踪方案，实验结果表明：梯度LOG算子能够较好地跟踪复杂背景中的光团目标，定位精度可达亚像素级，且具有计算量小，抭嗓声能力强等优点。

Second, the theory of scale space was used to design a new operator for target detection and tracking. Then, the property of scale invariant was analyzed and proved, and a tracking scheme based on the gradient LOG operator was proposed. Experimental results show that the gradient LOG operator is appropriate to describe small target in complex background, and the detection precision is in the level of sub-pixel.

然后根据尺度空间的基本理论构造了一种针对该成像模型的目标检测算子，分析并证明了该算子具有尺度不变性的优点，设计并实现了基于梯度LOG 算子的小目标跟踪方案，实验结果表明：梯度LOG 算子能够较好地跟踪复杂背景中的光团目标，定位精度可达亚像素级，且具有计算量小，抗噪声能力强等优点。

The paper gives a detailed introduction to the classification and mothed of image edge detection from the traditional point of view,that is,the robert operator based on the maximum gradient detection,the sobel operator,the prewitt operator,the canny orerator,the laplancan operator based on the detection of second derivative of the zero-crossing point and then log operator.The paper makes a summary and analysis to the principles and applications,advantages and disadvantages of each algorithms and operators. Especially the canny operator.

本文首先介绍了图像边缘检测在国内外的发展，图像边缘检测的重要性及意义，阐述了图像边缘检测的原理，从传统的角度详细介绍了的图像边缘检测的分类及方法，即基于检测梯度最大值的robert算子，sobel算子，prewitt算子，canny算子，基于检测二阶导数的零交叉点的laplacan算子及log算子，对各种算法和算子的原理及用法及优缺点做了总结和分析尤其是canny算子。

We utilized several parameters including ECN, CN, DB, Log α and Log β to explore the reliability of the analyzing methods of triacylglycerol types, and on the other hand, also to cultivate oleaginous yeast using batch fermentation method to explore the bacterial activation, before and after fermentation, on the changes of three fatty acid types in triacylglycerol.

本实验利用HPLC-ELSD来分析食用大豆油之三酸甘油酯中三个脂肪酸种类，利用许多参数，包括：ECN、CN、DB、Log α及Log β，探讨分析三酸甘油酯种类方法之可靠性，另外以批式发酵培养产油酵母菌Rhodotorula glutinis，探讨发酵前活化菌体与发酵后菌体之三酸甘油酯中三个脂肪酸种类变化。

In addressing the heterogeneity factor, this paper will use Logistic regression, the Beta-binomial model the Williams method arid GLMM to analyze the secondary data collected at the incidence of Downy mildew on grapes and Phomopsis leaf blight on strawberrys. Also, there will he a thorough discussion on the advantages and disadvantages among the different model approaches according to -2 Res Log Likelihood, AIC, BIC and residual plots.

本研究旨在探讨病害发生率的研究中，以层次取样法进行抽样，并以实际资料葡萄露菌病和草莓叶枯病的病害发生率为例，藉由计算离势参数、-2 Res Log Likelihood、AIC、BIC和绘制残差图，比较逻辑斯回归、贝他－二项模式、威廉斯模式与广义线性混合模式四种模式对资料进行配适情形，来探讨这些方法克服过度离势的能力并比较其优劣。

So its important for network managers to develop system to monitor network traffic, attacks and resources. It will help network managers to manage network more effectively.The article analyzes two normal approaches to realize network monitor, one is based on packets captured and another is based on logs generated by network gateway. Then, it introduces the three common kinds of log format, syslog, traffic log and WELF.

本文首先分析了网络监视系统实现的常用技术，基于包捕获的技术和基于网关设备日志分析的技术，接着详细分析了三种通用的网络设备日志——Syslog格式日志、Traffic Log格式日志与WELF格式日志，在此基础上详细介绍了本文的重点，基于网关日志分析的网络监视系统一LNMS (Log-based Network Monitor System)的设计和实现。

Rather than fight the crowds in the Chicago and San Francisco areas , they log on to the Peapod , an online shopping and delivery service .

在芝加哥和旧金山地区他们已经不用再拥挤购物了，他们只需登录到一个叫Peapod(一个网上采购与送货服务系统)的网站上就可以轻松实现购物。

A user can log on to Enterprise and use the Add new req function.

用户可进入企业模块，并使用添加新申请这一功能。

Heilongjiang province : Lumberjacks carry a freshly cut log on to a truck .

黑龙江省：伐木工将一根刚砍伐的原木搬运到卡车上。

If you are registered with UPS Signature Tracking, log on to view P.O.D. with signature online.

如果您已注册到&UPS 签名追踪&，则登录以便在线查看具有签名的递送证明。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。