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用于小波变换的图像信号二维频谱分析
- 用于小波变换的图像信号二维频谱分析-for wavelet transform two-dimensional image signal spectrum analysis
二进小波变换(MATLAB源程序)
- 该程序应用二进小波变换对二维信号图像进行去噪
基于压缩感知的二维雷达成像算法
- :压缩感知理论能够有效地降低高分辨率雷达成像系统的数据率。该文通过对复基带雷达回波信号模型的稀 疏性分析,提出了一种具有保相性的压缩感知距离压缩算法。在此基础上建立了距离向采用压缩感知距离压缩算法, 方位向采用传统的雷达成像算法处理的雷达2 维成像方案。通过对仿真和实测逆合成孔径雷达数据的成像处理验证 了方案的有效性
用于小波变换的图像信号二维频谱分析
- 用于小波变换的图像信号二维频谱分析-for wavelet transform two-dimensional image signal spectrum analysis
图论讲义
- detcoef2 提取二微小波分解高频系数 appcoef2 提取二维小波分解低频系数 wthresh 进行软阈值或硬阈值处理 wthcoef2 二维信号的小波系数阈值处理 ddencmp 获取在消噪或压缩过程中的默认值阈值-detcoef2 from two high-frequency micro-wave decomposition coefficient appcoef2 extract 2D wavelet decomposi
5_3_lifting
- 采用5/3小波提升算法编写的一维和二维信号小波分解与重构程序。给出了图象分解的演示示例。-using 5/3 wavelet algorithm to enhance the one-and two-dimensional wavelet decomposition and reconstruction process. Given the decomposition of images demonstration examples.
2D_convolution
- 二维卷积运算之C语言实现 若x为N1*M1的二维信号,y为N2*M2的二维信号,则卷积为(N1+N2-1)*(M1+M2-1)的信号-2D convolution operators on C language if x N1* M1 to the two-dimensional signal y* M2 N2 for the two-dimensional signal, convolution (N1 N2-1)* (M1 M2
dualtreewavelettransform
- 双树复小波变换的源代码,可用于一维信号与二维图像的变换-double-tree Complex Wavelet transform the source code can be used in one-dimensional and two-dimensional image signal transformation
liftpack-1.0-cc.tar
- 快速提升小波变换的源程序,可以处理一维和二维信号和图像。-quickly upgrade wavelet transform of the source, can handle one-dimensional and two-dimensional signals and images.
EZW_Code
- 嵌入(式)零树小波(embedded zerotree wavelet,EZW)算法。EZW主要用于与小波变换有关的二维信号的编码,但不局限于二维信号。-embedding (-) Zerotree Wavelet (embedded zeotree wavelet. EZW) algorithm. EZW mainly used for the wavelet transform the two-dimensional signal
fn_DBn_2D
- 对二维信号(例如二维图像),实现多级小波的分解和重构,用到的小波函数是 DBN 小波,即Daubechies小波。-Of two-dimensional signal (such as two-dimensional image), the realization of multi-level wavelet decomposition and reconstruction, the wavelet function is used w
medfilt3
- 一维二维三维信号MATLAB中值去噪滤波源代码1D, 2D or 3D median filtering-One-dimensional two-dimensional three-dimensional signal denoising filter in MATLAB source code for 1D, 2D or 3D median filtering
sopc_2DBarcode
- 基于SoPC的嵌入式二维条码识读系统使用集成在QuartusII中的SoPC Builder开发组件配置生成片上系统,结合降噪处理、背景分离 图像校正、图像二值化、码字识别、信号纠错等技术,处理由OmniVision OV7649 CCD产生的条码图像。-SoPC based embedded system uses two-dimensional bar code reader integrated in QuartusII de
空时虚拟矩阵
- 为了实现二维信号的定位,最终获得相关信号的位置信息(Detect the signal, locate the unknown source signal, and obtain the location information of the signal)
4.面阵中二维角度估计
- 面阵中二维角算法用于处理阵列信号,估计阵列的协方差矩阵(MATLAB is used to develop the system model of array signal processing, such as the correlated signals, the error of amplitude and phase.)
ai5_pian0807
- 二维MUSIC算法,利用平面阵列实现二维信号超分辨测向(Two - dimensional MUSIC algorithm is used to realize two - dimensional signal superresolution direction using plane array.)
扫描二维码
- 用VISA串口连接扫码枪,用此程序进行通讯,触发读码信号(Connect the scanning code gun with VISA serial port, use this program to communicate, trigger the read code signal.)
bemd
- 本程序主要通过二维经验模态分解计算二维信号的IMF,使用筛选的过程。它依赖于函数SIFT。(BEMD This program calculates the Bidimensional EMD of a 2-d signal using the process of sifting. It is dependent on the function SIFT.)
一维和二维相位解缠
- 实现对无噪声一维和二维信号的解缠,比较简单,入门级别(The realization of noise free one-dimensional and two-dimensional signal unwrapping is relatively simple, entry level.)
二维小波分解 (1)
- 小波变换,对图像二维信号进行3层小波分解。 本题二维图像采用MATLAB自带的图片,实现图片多层小波分解的函数是: [C,S]=wavedec2(X,N,’wname’) , 即使用给定小波‘wname’对二维信号X进行N层小波分解。本题使用’bior3.7’小波进行分析。(wavelet transform)