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。
Taking the negative pressure wave produced by pipeline leakage as a transient signal, the multi scale wavelet transform can be utilized to identify the pipeline leakage signal in local.
利用多尺度小波变换,把管道泄漏产生的负压波信号作为瞬态信号,来识别管道的局部泄漏特征。
By applying wavelet analysis method to image edge detection, multi scale operator of wavelet analysis functions well for noise resisting ability and picture edge reserving.
将小波分析方法应用于图像边缘检测领域,小波分析的多尺度算子在抗噪声和保留图像边缘的能力上有比较好的效果。
Based on the theory of wavelet analysis and information entropy, the wavelet multi-scale entropy that describes the ordering degree in local data has been proposed in this paper.
文中以小波分析和信息熵理论为基础,提出了能够反映局部数据信息有序度大小的小波多尺度熵信息提取方法。
Applying wavelet transform, differential equation of multi-scale structural dynamic was obtained and the parameter recognition of damage identification was analyzed in structural dynamic system.
应用小波变换,推导了多尺度结构动力方程来分析结构动力系统中的损伤识别。
The mathematic principle of wavelet multi-scale analysis is introduced. The 13 terms of gravity data, which are observed in the Three Gorges region, are decomposed by wavelet method.
介绍了小波多尺度分析的数学原理,以三峡13期流动重力资料为例进行了小波分解。
Regarding this, a novel feature level approach to image fusion is proposed based on discrete dyadic wavelet transform for multi-scale image edge detection.
本文提出了一种基于离散二进小波变换的多尺度边缘检测和图像融合的方法,实现了特征级图像融合。
While wavelet transform is suitable in image compression due to its multi-resolution and multi-scale analysis property, and is used in the standards of image compression.
小波变换具有多分辨率和多尺度特性,特别适合于二维图像信号的处理,目前已应用在静止图像的压缩标准中。
In order to attain the goal of using multi scale frequency divided data for interpretation, the paper applied the wavelet multi resolution analysis to detect the coherent data volume.
为了达到多尺度分频解释的目的,本文将小波多分辨率分析应用到相干体提取过程中。
The paper discussed application technology about composite material preform stitch measured using wavelet transform. The system is rested on the multi scale analysis of wavelet transform.
讨论了小波变换在复合材料预制件花节长度测量中的应用技术,建立了花节长度自动测量系统。
This article introduced essential principle of wavelet packet multi-scale analysis and design of experimental equipment of damage checking of intelligent composite materials under vibrating state.
本文介绍了小波包多尺度分析的基本原理,设计了振动状况下智能复合材料板损伤检测的实验装置。
Based on the B-Spline theory, this paper present a new kind of multi-scale wavelet transform. The feature of a signal can be extracted in its maximum module or zero-crossing.
本文基于数学样条理论提出了一种新的多尺度小波变换,通过其模极值或零交叉可以有效地提取信号的特征。
In this paper, a new method of multi-scale and adaptive thresholds edge detection for image based on wavelet transform was adopted to detect edge of traffic vehicle.
本文把基于小波变换的多尺度自适应阈值图像边缘检测的新方法应用于交通图像边缘检测。
According to face geometric features and statistical features, multi-scale wavelet fusing algorithm and SVM are respectively applied to get the location and size of candidate faces.
根据几何特征运用多尺度子波图像融合算法以及统计特征运用SVM方法分别得到人脸在图像中的位置和尺寸。
On the basis of expounding the basic principle using 2-d wavelet transform for seismic attributes data, the paper built up the effective flow used for multi-scale edge detection of image.
本文在阐明二维小波变换用于地震属性数据基本原理的基础上,建立了小波变换用于图像多尺度边缘检测的有效流程。
Combined with the characteristics of seismic image noise, using multi-scale wavelet transform, presents a new adaptive wavelet threshold denoising algorithm.
结合地震图像噪声的特点,利用多尺度小波变换的优点,提出一种新的自适应小波阈值去噪算法。
The features extract method of MCSF based on wavelet multi-scale transform is that the image feature of coefficient sub-frequency is decomposed with 3 layer of wavelet multi-scale transform.
基于小波多尺度分解子带主成份的特征提取法,利用小波多尺度分解子带系数图像特征。
The multi-scale coherent eddy structure in turbulent boundary layer is detected through taking multi-scale wavelet coefficient of stream velocity component signal as characteristic quantity.
用流向速度分量信号的多尺度子波系数作为特征量检测平板湍流边界层多尺度相干结构。
Then design wavelet multi-scale edge detection algorithm based on fuzzy theory.
研究基于过采样滤波器组的多尺度边缘检测算法。
Based on the multi scale wavelet transform of the orientation curves we can utilize the information of local maximum positions to detect and locate the corners. Experimental res...
对边缘围线的方向曲线进行多尺度小波变换,利用变换结果的局部最大值信息检测和定位出图像角点。
Edge detction based on wavelet multi-scale identity is made. The statistics features based on regional gray and the co-occurrence matrix of gray level are taken as performing image segmentation.
该系统先对粮虫图像进行小波边缘提取,根据灰度共生矩阵和局部统计方法提取小波分割后的图像纹理特征。
Edge detction based on wavelet multi-scale identity is made. The statistics features based on regional gray and the co-occurrence matrix of gray level are taken as performing image segmentation.
该系统先对粮虫图像进行小波边缘提取,根据灰度共生矩阵和局部统计方法提取小波分割后的图像纹理特征。
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