Wavelettransform相关论文
An approach to wheel loader bucket raise time recognition based on mathematical algorithms is presented in this communic......
By virtue of the method of integration within ordered product (IWOP) of operators we find the normally ordered form of t......
High-definition (HD) maps are key components that provide rich topologic and semantic information for decision-making in......
Characterization of CoMn catalyst by in situ X-ray absorptionspectroscopy and wavelet analysis for F
Cobalt carbide has recently been reported to catalyse the FTO conversion of syngas with high selectiv- ity for the produ......
In order to determine the characteristics of noise source accurately, the noise distribution at different frequencies wa......
Image edge detection based on pulse coupled neural network and modulus maxima in non-subsampled cont
Edge is the intrinsic geometric structure of an image.Edge detection methods are the key technologies in the field of im......
...
Accurate identification of tension in multi-wire strands is a key issue to ensure structural safety and durability of pr......
This paper proposes a novel hybrid strategy for modeling a discrete wavelet and exponential smoothing to forecast short-......
A river basin may reduce the high-frequency precipitation variability and memorize the low-frequency precipitation varia......
Runoff series of the Yangtze River presents an intricate variation tendency under the reinforced influence of human acti......
This paper proposes the scheme of ultra-high-speed transient-based protection(TbP)for EHV/UHV transmission lines，which in......
In this paper,we study the pseudorange multipath effect of Beidou satellite and analyze the correlation between multipat......
Variable-thickness curved components,which always causes serious accidents and great economic losses because of surface ......
Frequent orbital maneuvers of GEO satellites in BeiDou Satellites Na-vigation System(BDS)put forward higher requirements......
The paper presents a novel multifunctional digital audio watermarking for copyright protection and content authenticatio......
Oil and gas contained in sandstone reservoirs are likely to encounter sand production problem due to reservoir pressure ......
Non-photorealistic rendering (NPR) as an abstract image generation technology has gradually become a research focus,and ......
Research on pit deformation monitoring using super total station based on wavelet transform and BP n
Aiming at complexity of pit deformation monitoring and various factors for pit deformation,this paper,first,proposed a s......
本文主要探讨了基于支持向量机的高分辨率遥感图像中某型号飞机的检测识别问题.提出了将小波变换结合灰度共生矩阵法提取目标样本......
To provide sense of immersion and quick real time interaction with users, key idea of level of detail (LoD) is adopted i......
Objective To investigate the early diagnosis of pneumoconiosis on digital radiographs by means of wavelet transform-deri......
Discriminating Disordered/ordered Regions of Intrinsically Disordered Proteins Based on Wavelet Tran
Background: Intrinsically disordered proteins (IDPs) play important role and lack of stable 3D structure.Because of the ......
Computer-Aided Diagnosis of Digital Radiographs for Pneumoconiosis Using Wavelet-Based Texture Featu
Purpose: To automatically detect pneumoconiosis using a computer-aided diagnosis (CAD) system on digital chest radiograp......
Heart rate is an important indicator for the mental and physical state, but it is usually measured contactly.In this pap......
Rehmannia glutinosa processed samples were collected for hyperspectral spectroscopy(HSI)test,using continuous wavelet tr......
A passive flow control method,which is to use an inclined controlling hole(CH)passing through the free-end surface to th......
The dual fuel CNG-diesel engine is a means of utilizing gaseous fuel resources efficiently in appropriately converted di......
DETECTION OF LONG DISTANCE PROPAGATION AND VARIOUS DAMAGES BASED ON PIEZOCERAMIC FOR THE CRACKED STE
Steel fiat irons are a common form in many large structures, and therefore the real-time condition monitoring and active......
Because of cloudy and rainy weather in Southern,optical remote sensing data are often not readily available.With penetra......
设计了一种改进的4f傅里叶光学信息处理系统, 利用该系统实现对频谱面坐标尺度的放大和光学小波变换, 其优点是有利于带通滤波器的......
针对彩色图像加密运算量大、空间需求较大和安全性低的问题,提出一种基于新型混沌的彩色图像加密算法。将彩色图像的三维矩阵转换......
利用逆变换研究了DOG子波变换在提取输入信号时的特性,指出了尺度逐次变化的子波变换表现出的由粗到精的信息提取性质和局域特性与......
调制度轮廓术采用条纹投影和成像共轴的系统结构,将被测物体的高度信息编码在条纹的模糊程度中,无需相位展开即可完成对复杂物体的......
微结构的表面形貌会显著地影响微纳器件的使用性能及产品质量，是微纳测试领域的一个重要研究方面，利用白光干涉技术是测量物体表面形......
以复Morlet函数作为小波母函数推导了2M路线性啁啾高斯脉冲堆积形成的整形脉冲的时间分辨能量谱密度解析表达式。通过小波变换获得......
根据小波变换的高频分量包含边缘及纹理等人眼比较关注的细节信息,提出了一种基于小波变换的高频重构的立体图像质量评价方法,包括......
基于小波变换的多聚焦图像融合中,融合方法、小波基和小波分解层数的选取是关键技术。研究一种基于区域能量的多聚焦图像融合方法,......
通过对光学相干层析(OCT)系统中的噪声源进行分析,提出了一种将小波变换和分数阶积分结合的OCT图像去噪方法。先将OCT图像进行小波......
为了保证燃烧流场羟基(OH)示踪速度测量的精度,开展了背景噪声去除方法研究。基于燃烧流场羟基示踪测速数据的噪声特性分析,构建了......
在有雾气的环境下,户外采集到的图像容易出现对比度低、细节丢失等问题。针对该问题,提出了多尺度Retinex(MSR)理论结合小波变换的......
针对近海复杂地形下海陆风对大气湍流特性的影响,在深圳市杨梅坑环境生态中心开展了大气湍流观测实验,利用温度脉动仪、超声风速仪......
高功率激光器的建造需要大量的高精度光学平板,其波前检测一般采用相移干涉技术。由于测试光在光学平板内的多次反射,存在由寄生干......
为加快利用小波变换处理干涉条纹图的速度及提高干涉测量系统的实时动态特性，提出傅里叶变换和小波变换相结合的相位求解方法。利用......
把联合变换相关技术与子波变换结合起来，建立了一套用于目标识别的实验系统．该系统巧妙地集图象预处理与相关过程于一体，同时具有优良......
利用全息图获取光场相位信息是数字全息术的重要应用之一，其间通常必须进行降噪处理。在光场相位的空间变化频率较高时，传统降噪算法......
目前的森林火灾预防主要依赖卫星监控、人工监控和区域巡场等。一种较为经济有效的方法是利用现有的用于区域巡场的监视塔,在其上......
针对离散小波变换多聚焦图像融合算法中对低频分量融合处理存在缺陷而导致图像的边缘失真及图像模糊等问题,提出了一种自适应区域......
提出一种基于小波变换和区域分割的YCb Cr变换域红外-可见光彩色图像融合算法,以小波变换融合为基础,将融合结果作为YCb Cr域参量,......
