By analyzing the characteristics of the function's once and quadratic differential coefficient's image, a new algorithm of images' edge sharpening which contains weights.
通过分析函数的一阶导数与二阶导数图像的特征，提出了一种含有权值的图像边缘锐化的新算法。
According to the characteristics of the underwater image, the bottom layer can be divided into four steps: image denoising, image enhancement, edge detection and edge extraction.
根据水下图像的特点，其底层处理过程分为：图像去噪，图像增强，边缘检测，和边缘提取。
In transient state signal and in image analysis, the point of discontinuity often is one of important characteristics, they are located the edge of the important structure frequently.
在瞬态信号与图像的分析中，突变点往往是重要的特征之一，它们常常位于重要结构的边缘部分。
Discusses and compares various edge detection operators for digital image processing, and analyses the characteristics of each operator.
讨论和比较数字图像处理的几种丝缘检测算子，分析各算子的特点。
This algorithm has combined the gradient mapping of binary edge image and the potential distribution of people's facial characteristics.
该算法将二值边缘图像的梯度映射和人的面部特征的潜在分布规律相结合。
According to the characteristics of radar image, a method of image segmentation is suggested by performing threshold processing directly after edge detection instead of close curves.
根据雷达图像的特点提出边缘检测后不做曲线闭合，而直接进行阈值处理的图像分割。
The paper works with a binary electronic chart which has extracted the characteristics of coastal edge and a binary radar image which has been zoomed out in electronic chart at real-time.
针对已抽取海岸边缘特征并二值化的电子海图和已提取海岸边缘特征并缩放至海图比例的实时雷达图像进行匹配。
We get the parameters of shape characteristics of knot through the processing of revising, strengthening and edge measuring for the image of knot.
通过对节子图像进行修正、增强、边缘检测等处理，提取节子的形状特征参数。
A fire image detection system based on BP neural network is presented in this paper according to the characteristics of fire, such as flaming area becoming larger and larger, fire edge wobbling, etc.
根据火灾发生时着火面积逐渐增大、火焰边缘抖动等特征，提出了一种基于BP网络的火灾图像探测系统。
Under the smooth contours assumption, the method considered the smoothly varying characteristics of nature image contours, and utilized the information of edge degree to suppress contour jaggies.
该算法充分考虑自然图像边缘缓慢变化的特点，在图像边缘平滑的假设下，采用边界程度信息来抑制锯齿现象。
Based on these excellent characteristics of Phase Congruency Model, we use it to detect the edge of natural image.
基于这些优良特性，本文采用相位一致性模型对图像进行边缘检测。
By the research of the nature and image characteristics of BEMD, improved BEMD method will be applied to image edge extraction and denoising.
通过对BEMD性质和图像特征的研究，提出将改进的BEMD方法应用于图像边缘提取和去噪。
It gets the first order differential of the image data and acquires its local center of gravity as characteristics of the edge so as to improve the accuracy and stability.
提出了对图像数据进行一阶微分并求其局部重心点作为其边缘特征点，以提高测量稳定性和测量精度。
In order to get an ideal lane marks' edge, an image preprocessing method based on edge distribution function (EDF) was proposed considering the directional characteristics of lane marks.
为了得到较理想的车道标识线的边缘，考虑车道标识线的方向特性，提出一种基于边缘分布函数(EDF)的图像预处理方法。
Our analysis shows that directional wavelet transforms can better reflect the edge information of images because they better corresponds to the characteristics of image direction and texture.
比较了方向小波变换和传统小波变换在图像边缘检测中的不同之处。分析得出方向小波变换更符合图像的方向、纹理特征，因而更能反映图像的边缘信息。
According to the characteristics of vehicle image speeding, with tapes of mathematical morphology based on edge detection, regional selection.
针对超速车辆抓拍图像的特点，以数学形态学为理论基础，进行边缘检测区域选取。
Based on the characteristics of human visual system in the interpolation process, the more accurate brightness information and edge information of the image can be obtained.
插值过程中利用了人眼的视觉特性，能够更精确地得到图像的亮度信息和边缘信息。
Secondly, based on the characteristics of the image, the image edge of the glass rod is detected.
根据玻璃棒图像的特点，使用图像处理技术提取玻璃棒的轮廓边缘信息；
Secondly, based on the characteristics of the image, the image edge of the glass rod is detected.
根据玻璃棒图像的特点，使用图像处理技术提取玻璃棒的轮廓边缘信息；
应用推荐