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基于小波变换的图像滤波处理,程序很简单采用的是差分实现小波变换-based on wavelet transform image filtering, a very simple procedure using the wavelet transform to achieve Differential
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包含了当代科学计算过程中涉及的大量内容:求特殊函数值、随机数、排序、最优化、快速傅里叶变换、谱分析、小波变换、统计描述和数据建模、偏微分方程数值解、若干编码算法和任意精度计算等-Includes calculation of contemporary science involved substantial elements: seeking a special function values, random numbers, sorting, optimization, fast Fourie
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小波方法和偏微分方程方法是图像去噪中的主要方法。该文提出基于离散小波变换对图像进行阈值去噪,得出了小波阈值的偏微
分方程表示形式,在此基础上研究偏微分方程的解法,采用分数步的小波阈值方法对图像去噪,得到了较好的去噪效果,同时可以保护边
缘。数值试验结果表明,该方法具有比小波方法更好的去噪效果,能获得较高的信噪比-Wavelet method and partial differential equations is the main method of image denoising.
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.首先,建
立背景的混合高斯分布模型和阴影颜色模型,通过差分法提取前景区域并结合Gabor小
波纹理特征分析找出潜在的阴影点;然后通过阴影颜色模型对这些潜在的阴影点进行颜
色分析;最后通过后续处理,找出真正的阴影区域-. First of all, to establish the background Gaussian mixture distribution model and the shadow color model, by differential extraction
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,分析探讨了有关高斯函数的小波特性。根据多尺度微分算予理论和多分辨分析思
想,证明了高斯函数构造了一个多分辨分析(MRA),高斯函数的各阶导数均构成小波基函数-Analysis of the characteristics of the Gaussian wavelet function. According to the theory of multi-scale differential operator and multi-resolution analysis thinking th
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该工具可对图像进行二值化处理,微分处理,小波变换,哈夫变换等多种算法处理。-The tool for binary image processing, differential processing, wavelet transform, Hough transform algorithm and other processing.
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非线性微分跟踪,用小波变换实现阈值去噪,本论文用液压活套张力系统角加速度的计算-Nonlinear differential tracking, wavelet transform thresholding
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计算haar尺度函数和小波基系数矩阵,用于数值计算,如解偏微方方程,自己编写的。-Computing haar wavelet scaling function and the coefficient matrix for the numerical calculation, such as the solution of partial differential equations side, I have written.
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小波方法解微分方程程序,包含计算伽玛函数在各点的值,许多偏微分方程的解析解与伽玛函数有关,计算真解和数值解误差必用.自己编写.-Wavelet method to solve the differential equation procedures, including calculation of the gamma function value at various points, many of the analytical solution of partial differential
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基于shannon小波的微分方程解法源程序,包含小波基矩阵和导数矩阵算法。自己编写,绝对源代码-Shannon wavelet solution of differential equations based on the source, including wavelet matrix and the derivative matrix algorithm. I have written, the absolute source
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将小波变成与偏微分方程结合实现图像去噪。-Wavelet into partial differential equations for Image Restoration.
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基于小波理论的医学图像增强的研究方法,具有微分性质的反对称双正交小波基来实现图像分解,在边缘提取时克服了传统算法计算大,不满足实时性的缺点。-Research methods based on wavelet theory of medical image enhancement, image decomposition, to overcome the traditional edge extraction algorithm to calculate, does not meet the r
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根据双尺度差分方程构造小波函数 初始函数 矩形波/三角波-The dual-scale construction of wavelet function differential equation initial wave function rectangular/triangular wave
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小波分解,去掉高频,反变换重构的程序,并且和差分的方法对照,-Wavelet decomposition, remove high frequency, inverse transform reconstruction program, and a method and differential control,
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