Most methods of locating the ROI of palmprint now are based on edge detecting.
现在的掌纹roi定位方法都是以边缘提取为基础的。
The dissertation has introduced the traditional edge detecting and linking methods.
本文介绍了常用的边缘检测方法和传统的边缘连接策略。
The measure error analysis of Brillouin scattering based on edge detecting technology;
提出了采用双边缘技术测量光纤传感中的布里渊频移。
This paper analyzed the image primarily processing method and edge detecting on chestnuts.
分析了板栗品质检测中的图像低层处理方法，并进行了边缘检测。
In this paper, an effective edge detecting method based on Mathematical-morphology is proposed.
提出了一种基于数学形态学的边缘提取方法。
Edge detecting is an indispensable step of computer vision. It is a important procedure of image preprocessing technology.
边缘检测是机器视觉中必不可少的环节，是一种重要的图像预处理技术。
Using improved sub-pixel edge detecting algorithm based on the expectation of first-order derivatives, we can fast and precisely detect the edge position.
应用改进后的基于一阶微分期望值的亚像素边缘检测算法，可以快速、精确地检测到边缘的位置。
After orange image edge detecting and segmenting, the size, shape and surface damage extent of orange can be acquired according to orange image character.
将柑桔图像进行分割和边缘检测之后，基于图像特征我们可以计算柑桔大小、形状和表面损伤程度等情况。
Edge detecting an image significantly reduces the amount of data and filters out useless information, while preserving the important structural properties in an image.
边缘提取可以明显的减少数据量，并且可以滤去一些没用的信息。同时，它也保留了图像重要的结构性质。
As to software design, we adopt Hough transform theory to calculate the coordinate of the ball's center in order to work out the velocity, by the way of edge detecting of the sphere.
软件设计部分旨在通过边缘检测以提取球体边界，再利用霍夫变换求得球心坐标位置从而获取球体的位置信息进而计算出速度大小。
So the paper definitely has some reference value not only for the image inspecting ways of slide wear but also for the design and realization of edge detecting and location algorithm.
本文对滑板磨耗图像检测的方法以及边缘检测及定位算法的设计和实现都具有一定的参考价值。
Based on the discussion of the theory of wavelet transform of images, a practical multi scale edge detecting method is put forward and the ways to suppress noise interference are discussed.
在对图像的小波变换原理讨论的基础上，提出了一种较为实用的图像多尺度边缘检测方法，同时对如何抑制噪声的干扰进行了讨论。
First, do median filter to image in order to wipe off noise, then make use of Gauss-Laplace operator to pick up edge. The result showed the kind of edge detecting method has good performance.
首先对图像进行中值滤波去除噪声，然后用高斯—拉普拉斯算子提取边缘，这种边缘检测方法的效果很好。
An edge detecting method for digital image is proposed using direction information of the gradient to thin off the differential image and defining a measuring function to link the edge points.
本文提出了一种利用梯度的方向信息，对微分图象进行细化，并确定一测量函数进行边缘点连接，以实现图象边缘检测的方法。
The image processing algorithm of slide abrasion detection is designed in this paper. It includes image preprocessing, edge detecting and linking, contact wire and slide edge location and etc.
本文设计了滑板磨耗图像检测算法，主要包括图像预处理，边缘检测和连接，导线及滑板边缘定位等。
Based on different properties of the coefficient modulus of the signal in different scale wavelet transform, conjunction the best estimate of gradient algorithm an edge detecting method is proposed.
基于信号在不同尺度下小波变换系数模不同的变化特征，结合最优梯度估计算法提出了一种边缘检测方法。
A new approach for detecting the edge of high-energy flashing image has been exploited based on this method.
在该方法基础上探索出了一条用于检测高能闪光图像边缘的新路子。
For instance, radio astronomy allows observations of cosmic microwave radiation, thus offering a way of detecting the edge of the universe.
例如，电波天文学提供了宇宙微波辐射的观察，而能够探测宇宙之边缘。
Detecting the weld line and its edge directly by visual sensor can achieve much useful information, which is very important in the research of weld line automatic tracking.
采用机器视觉直接观察可以获得很多关于熔池区及其边界的有益信息，对研究熔池形貌自动跟踪有十分重要的意义。
According gto metal detecting manufacturer Minelab, the discovery was made in a worked-over area on the southern edge of central Victoria's Golden Triangle.
根据金属探测器制造商觅宝公司报道，该发现位于维多利亚金三角中心南部边缘的工作区。
The phenomenon of multiple responses to a single edge often occurs when detecting noisy ramp edges from images.
在检测斜坡状边缘时，由于噪声的影响，经常出现单边缘多重响应现象。
A principle study of detecting laser frequency signals based on edge technology for atmospheric laser communications is presented.
介绍了利用边缘技术检测激光频率信号，实现大气激光通讯的原理。
In the wafer notch detecting part, edge flexion method is adopted to find the notch range, then calculating the notch center by means of arc fitting.
缺口检测先采用边缘变化率算法查找缺口范围，再通过圆弧拟合的方法求出缺口中心位置。
The soft mathematical morphology, which can be applied to detecting edge of image, is introduced.
简要介绍了软数学形态学的基本原理及形态学在图像边缘检测中的应用。
Collision detecting, optimization of vertex, edge processing, and integrated optimization of meshes were realized in the mesh partition.
在网格划分过程中实现了边界冲突检测、网格顶点优化处理、网格边界处理和网格综合优化。
Firstly, a new surface detecting and tracing algorithm is proposed in this dissertation based the connectivity characteristics of the edge surface.
首先，本文基于连续边缘曲面的连通特性，提出了一个三维图像中阶梯型边缘曲面的检测与追踪算法。
The experiment results demonstrate that the proposed algorithm enhances the precision of edge detection and satisfies the requirement of vision detecting in SMC ( surface mounting machine) mounting.
通过实验比较，认为该方法提高了边缘提取的精度，满足了贴片机视觉检测的要求。
Through detecting the same edge in one period of Phase a to judge its direction of rotation precisely, a method for error-free measurement has been given.
通过检测A相一个周期的同一边沿，可精确判断其旋转方向，给出了无误差测量的实现方法。
I am trying to convert a text document to a binary image by first detecting its edges and then converting it to a binary image based on output of edge detection.
我试图将文本文档转换成一个二进制图像，首先检测边缘，然后将它转换成一个二进制图像基于边缘检测的输出。
Three methods of detecting submerged object based on Brillouin scattering, high resolution scanning F-P interferometer, edge detection technique and solid F-P etalon-ICCD camera, are introduced.
介绍三种基于布里渊散射的水下目标探测方法：F-P扫描干涉仪探测方法、边缘探测方法、F-P标准具-ICCD探测方法，并对这三种方法进行了分析和比较。
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