理论上,应用这样的多小波边缘提取算子提取图像的复合边缘可以有任意高的边缘定位精度。
Theoretically, based on this approach ones have the possibility of getting arbitrary precise localization for the edges that are composed of steps and pulse with wavelet transformation.
多小波可以同时具有对称性、正交性、短支撑性、高阶消失矩等性质,这是传统小波无法比拟的。
Multiwavelet can possess symmetry, orthogonality, short support and high order vanish moments, however traditional wavelet cannot possess all these properties at the same time.
本文介绍正交多小波、双正交多小波、半正交多小波的构造方法,以及多小波在信号处理方面的应用。
The main purpose of this paper is to introduce the construction of orthogonal, biorthogonal and semi orthogonal multiwavelet and the application of multiwavelet to signal processing.
对一般的双正交多小波系统,给出了阶平衡的较为简单的定义,并将预滤波理论引入双正交多小波滤波器组。
For common biorthogonal multi-wavelets system, a simple definition of balancing of order is proposed, and the prefilter theory is introduced to biorthogonal multi-filter Banks.
本文详细说明了应用GH M正交多小波对地震信号进行去噪处理的原理,并给出实际例子说明该方法的有效性。
The paper elaborated on the principle of noise suppression processing by using GHM orthogonal multi wavelets for seismic signal and gave real examples to show the effectiveness of the method.
多小波变换兼有对称性、正交性、光滑性和有限支撑等信号处理中的十分重要的性质,特别适用于图像的压缩编码。
Multiwavelet possesses such very important properties in signal processing as orthogonality, symmetry, smoothness, and short support, which is specially applicable to image coding for compression.
通过统计分析和数学推导发现,在目前几种常用的多小波中,只有平衡多小波能够满足视频多描述编码的两个条件。
Secondly, there must be dependence among each description. We find among commonly used multiwavelets, only balanced multiwavelet can satisfy the two requirements.
在第一次格莱美约会的九年后,1993年,杰克逊和波姬小丝终于又在颁奖后的宴会上重聚,只可怜这一对不仅聚少散多,就连最基本的隐私都无法保证。
Nine years after their first Grammy date, Jackson and good friend Shields reunite for a Grammys afterparty in 1993. "We grew up together, " Shields says that year.
本文将图像块分割引入多聚焦图像融合中,以小波空间频率作为多聚焦图像的清晰度指标。
This paper introduces the image block segmentation into the multi-focus image fusion, and USES wavelet spatial frequency as the multi-focus image clarity indicator.
他的研究兴趣包括图像和多维信号处理,计算图像,小波和多尺度几何分析,可视化信息的表述。
His research interests include image and multi-dimensional signal processing, computational imaging, wavelets and multiscale geometric analysis, and visual information representation.
提出了一种用于多尺度边缘检测的小波变换滤波器系数的计算方法,并且以具体例子进行了检验,表明了该方法的有效性。
A method of calculating wavelet transformation filter coefficients for multiscale edge detection is given in this paper, and the efficiency of the method is clarified.
在数字图像小波多分辨率分析理论基础上,采用小波变换方法对高分辨遥感图像的目标地物边缘进行信息增强,然后与多光谱遥感图像进行特征信息融合。
After the wavelet's multi-resolution analysis, a feature fusion approach was adopted to enhance remote sensing image edge and improve the definition and resolving power of the image.
小波是表示具有点奇异性函数的最优基,它由于具有时-频局部化特点和多尺度特性,在图像处理领域得到了广泛应用。
Wavelet is the best base of functions, with point singularity, and it has wide application in image processing because of its time-frequency localization and multiscale features.
基于小波变换的并以效果评价为反馈的图像融合算法,将其用于多聚焦图像融合中,能够一次就得到各个目标都比较清晰的融合图像。
An image fusion algorithm using transform and taking the evaluation of effect as feedback, using the algorithm in multi-focus image fusion, can get a fused image that all targets are more clearer.
本文在对基于频率域的图像融合方法研究的基础上,提出了一种改进的基于形态学小波的多聚焦图像融合方法。
After the research on the image fusion method based on the frequency domain, this paper proposed an improved multi-focus image fusion method based on morphological wavelet.
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。
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.
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。
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.
由于作为密钥的小波基任意多,且可根据信道情况在不同的小波基之间跳变,故分形调制具有极强的保密性和抗破译能力。
Since wavelet bases as cipher keys are infinite and could be hopped to chose based on different channels, fractal modulations security and the ability of anti-dawning are emphatically expound.
结果表明,如果我们想从多尺度分析出发构造正交小波,那么该多尺度分析必须有正交尺度函数。
This result shows that if we want to construct orthonormal wavelets from a multireso- lotion, then that multiresolution must have an orthonormal scaling function.
论文基于这一思想,从二维平滑函数出发,并根据尺度呈级数变化的特点,导出了一组多尺度小波滤波器。
According to the peculiarity that the scale exhibit progressional variety, this paper deduces a group of multiscale wavelet filter from two dimensions smooth function.
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。
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.
阿步波的儿子,便用诡计将他们接到自己建造而名叫多克的小堡垒里,给他们大摆盛筵,并在那里埋伏下一些人。
The son of Abubos received them treacherously into the small fortress called Dock which he had built. He gave them a grand banquet, but had set men in hiding.
为了对不同的多聚焦图像进行有效融合,提出了一种小波域中基于区域特征的自适应多聚焦图像融合方法。
To fuse different multi-focus images effectively, an adaptive fusion method of multi-focus images based on regional features in wavelet domain is proposed.
针对小波变换多分辨分析(mra)的特点,本文提出一种多尺度分级的自适应模糊权重中值滤波的去噪方法。
According to the feature of the MRA, this paper presents a noise filtering method of adaptive fuzzy threshold for wavelet classification base on multi resolution.
由信号小波变换的奇异点在多尺度上的综合表现来表示信号是小波变换引人注意的另一应用领域。
It is an attractive application field for wavelet transform because the signal is expressed by the comprehensive behavior of wavelet transform of singularity spot in multi-dimensional space.
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。
Regarding this, a novel feature level approach to image fusion is proposed based on discrete dyadic wavelet transform for multi-scale image edge detection.
小波理论为有限元方法提供了许多不同的基函数和多尺度分析方法,需要根据具体分析问题进行选择。
Wavelet theory provides various basis functions and multi-resolution methods for finite element method, which will be selected in solving different problems.
本文以小波网络和多模型理论为基础,对复杂非线性动态系统的辨识和控制方法进行了研究。
Based on wavelet networks and multiple model adaptive control theories, the identification and control methods for the complicated nonlinear dynamic systems are proposed.
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。
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。
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.
应用推荐