查询词典 edge detection

Finally, it introduced the application of the edge detection in human face detection and recognition.

最后介绍了人脸边缘检测在人脸检测和识别中的具体应用。

Describe a combined way of wavelet edge detection with the conventional hydrometer detection algorithm to detect cloud.

在传统云检测算法基础上，应用小波变换对原始云图进行边缘检测。

Firstly,isoperimetric algorithm is applied in still image segmentation,and the result is compared with two methods based on edge detection and region detection.Then,isoperimetric algorithm is used to segment image video by combined with operation of morphology.

首先利用等周算法对静止图像进行分割，并与边缘检测和区域检测的两种分割方法进行结果比较；接着利用等周算法并结合数学形态学处理对图像序列的分割进行了研究。

One algorithm,isoperimetric algorithm based on graph theory is applied and researched on image segmentation.Firstly,isoperimetric algorithm is applied in still image segmentation,and the result is compared with two methods based on edge detection and region detection.

1引言图像分割是图像处理领域和计算机视觉中的一个基本而关键的问题，其目的就是将人们感兴趣的目标从图像背景中提取出来，为后续的分类、跟踪、识别、处理等提供基础。

Based on the characters of singularity detection of signals of wavelet edge detection, this method is successful not only to detect the DNB, CHF and T〓, but to quantify and locate them. 6. Based on mapping theorem, a new numerical method—artificial neural networks numerical method is developed creatively.

五、通过利用边缘检测小波对信号奇异性的检测特性，实现了小波边缘检测方法在两相流动实验分析中的应用，将其推广应用到对气液两相流动的DNB、CHF和T〓等特性点的检测、定位和定量分析上，并获得成功。

In Chapter two, Based on analysis some important methods of edge detection, a new detection approach via IIR exponential smoothing filter and nonlinear Laplacian operator is presented, which is suited to stereo vision. In order to implement the method and improve its practical value in application, a fast algorithm with structure recurred filter is developed.

第二章在总结分析了现有边缘检测技术的基础上，以立体视觉为应用背景，有目的的提出了一种基于IIR指数平滑滤波与非线性Laplacian算子的边缘检测方法，为了提高实用性，导出了一组递归滤波器方式的快速实现算法。

The inspection accuracy and inspection speed of the proposed planar contour dominant point detection method are compared and analyzed by contrast experiments between the proposed method and some classical dominant point detection methods according to the edge information of image.

对本文提出的平面轮廓特征点检测方法与几种经典的基于图像边缘信息的特征点检测方法的检测精度与检测速度进行了对比实验与分析。

A fast extraction method of beer bottle rasied character is introduced in this paper. It is the technique combination of moving target tracking based on dynamic image sequence with edge detection algorithm for speeding up the processing of character extraction to meet the demand of on-line detection in industry. First dynamic image sequence is obtained with an area CCD camera, and the background frames are detected based on the coherence between the background and character image from the video and inevitability of background frames emergence.

运用基于动态图像序列的运动目标跟踪技术，结合图像边缘提取理论中的检测算子模板，提出了一种快速提取啤酒瓶凸性字符的方法：首先采用单个面阵CCD得到啤酒瓶字符的运动图像序列，然后利用背景在运动图像序列中的镜头突变性和出现的必然性，检测视频流中的背景帧，最后采用基于边缘检测的背景配准方法，得到运动图像和校正背景图像的差分图像，恢复出真正的运动物体。

First of all, for the face detection, I make use of the face detection based on the evolving Agent, so as to confirm the face's area, and the method based on facial knowledge and edge extracting to localizes eyes and mouse, and then, I adopt the method based on the deformable template and snake, to realize facial feature tracking.

首先，对于人脸的特征检测，本文采用了基于进化Agent的人脸检测来确定人脸的区域，利用基于先验知识人脸特征方法来检测人脸特征，再利用基于变形模板和SNAKE的人脸特征跟踪方法来实现对视频序列中人脸特征的跟踪。

The proposed robust road main direction detection method consists of initial main direction extraction based on the direction histogram of structure tensor and precise direction detection on vectorized edge image. Experiment results demonstrate its robustness and precise. The proposed Gibbs-sampling-based method models road network with marked point process and can effectively extract road network with initial configuration. However it is slow and still can not deal with single and isolated road segment. These problems can be solved by the real-time method. And experiments verify that the real-time method is fast during extracting road segment.

提出的稳健道路局部主方向提取算法以结构张量为基础，通过方向直方图确定大致主方向，并通过矢量化边缘进一步计算准确的方向角，实验结果表明具有良好的稳健性和准确性；提出的基于Gibbs采样的交互式道路网提取方法采用标记点过程对道路网进行建模，在给出初始构造项的情况下，能有效的提取出指定道路网；提出的实时交互式道路段提取算法弥补了上一方法无法处理单一直线道路段和计算过程慢的不足，是上一方法的有益补充，实验结果表明算法能快速提取道路段。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。