查询词典 fingerprint

What we do are fingerprint preprocess and enhancement.

本文针对指纹图像预处理阶段的图像分割和增强部分做了一定的研究工作。

At the same time, there to be introduce the fingerprint preprocess.

图像处理包括基于小波变换的指纹图像滤波处理和基于小波的指纹图像增强处理。

It is good for the matching and recognition after the preprocessing on the fingerprint images.

因此，预处理结果的好坏直接影响指纹特征的提取和识别。

The development of TCM fingerprint consists of two stages: the primary stage and the superior stage.

初级阶段应解决指纹图谱的建立方法和相似度判定。

On the basis of the gas chromatographic analysis of n-alkane fingerprint, the method achieved good reliability with selecting seme characteristic alkanes (i.e.n-C17, n-C18, n-C20, pristane and phytane) as the criteria of identifying. The whole procedure was simple and facile while expending short time.

该鉴别方法基于样品的正构烷烃气相色谱指纹分析，选择既能表征油种固有特性，又受风化影响较小的正十七烷n-C_(17、正十八烷n-C_(18、姥鲛烷、植烷和正二十烷n-C_(20等特征烷烃作为判据，可信度大，而且整个操作流程短，较简便易行。

Objective: To establish HPLC fingerprint of Prunella vulgaris e for quality control of the herbal medicine.

中文摘要：目的：建立夏枯草HPLC指纹图谱，为中药材质量控制提供有效的方法。

From different origins.METHODS HPLC fingerprint analysis method of Psoralea corylifolia L. from Sichuan was studied, and the HPLC-FPS of 13 samples were established.

以四川补骨脂药材为分析对象，选择最佳条件，建立了 13个产地补骨脂药材样品的指纹图谱。

Chapter 3 introduces a new fingerprint segmentation method based on quadric surface model, which is the main innovation of this article.

第一章绪论，主要介绍了指纹识别技术的概况及其存在的技术难点；做为开展研究工作的基础，第二章研究并实现了基于块图像的指纹分割方法；第三章详细介绍了本文的主要创新之处——提出并实现使用二次曲面模型进行指纹图像分割的方法；第四章是指纹匹配算法研究，对一种现有的指纹匹配算法进行了一定改进；第五章为总结和探讨。

Aiming at the deficiency of the current fingerprint segmentation method at pixel and the segment limitation of the linear classifier, a new method of segmentation based on quadric surface model is proposed.

文中分析了指纹的前景点和背景点在指标CMV(C指像素点的方向一致性、M是像素点的平均灰度、V是像素点的平均灰度方差)下的空间分布特点，发现该空间下的指纹前景和背景区域具有线性不可分性，使用线性分类器进行分类具备一定局限性。

Methods Spectrophotometric method was used to detect the total flavonoids, and HPLC was used to determine quercitrin and analyze the characteristic peaks of Fingerprint.

以总黄酮、槲皮苷含量结合指纹图谱主要特征峰面积保留率为考察指标；采用可见分光光度法测定总黄酮含量，HPLC法测定槲皮苷含量，HPLC法分析指纹图谱主要特征峰面积。

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