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SPIHT-matlab
- 一种基于小波变换,压缩编码效率很高的静止图像压缩编码算法SPIHT,本程序使用matlab实现-based on wavelet transform, high efficiency coding static image compression algorithm SPIHT, the procedures used to achieve Matlab
wavelets
- MATLAB下通过多种小波实验了解小波变换的原理教程及示例代码 包括的多个示例源代码有:一维线性非线性近似、二维线性非线性近似、使用线性滤波过滤噪声、使用小波门限消除噪声、使用小波变换压缩一维信号、二维小波图像压缩等等。
SPIHT(Matlab)
- 基于图象小波变换的图象编码的经典算法.程序中包括压缩和解压缩的过程,有可执行的示例.
dwtbiorthogonal.rar
- matlab 做的双正交小波变换,用于图像压缩处理(仅供大家参考),biorthogonal digital wavelet transform by using matlab,for digital image compression and processing
OMP
- 小波变换和压缩感知中的OMP算法比较,是一种比较新的算法-Wavelet transform and compression perception of the OMP algorithm comparison, is a relatively new algorithm
Ten
- 第十章 MATLAB 图像正交变换 10.1 正交变换通用算子 10.2 傅立叶变换 10.2.1 傅立叶变换的原理 10.2.2 傅立叶性质 10.2.3 二维离散傅立叶变换( 2DDFT ) 10.2.4 快速傅立叶变换( FFT ) 10.2.5 傅立叶变换的研究与应用 10.3 离散余弦变换 10.3.1 DCT 变换矩阵 10.3.2 dct2 函数和 dctmtx 函数 10.4 Walsh- Hadamard 变换
wavelet-sofm
- 本文运用了神经网络中的自组织向量机和小波变换相结合,实现了图象的压缩,通过训练样本,得到好的结果-In this paper, the neural network of self-organizing vector machine and wavelet transform combining image compression achieved through the training samples obtained good results
spiht
- 基于图象小波变换的图象编码的经典算法.程序中包括压缩和解压缩的过程,有可执行的示例. -spiht
waveletLBGcompression
- 用小波变换和LGB编码的方法压缩黑白图片。对图像进行小波变换后,仅对细节系数进行压缩,而且不同小波变换层的细节系数的压缩程度不一样。-Using wavelet transform and coding method LGB compress black and white picture. After the wavelet transform of the image, only the details of the coefficient is compressed, and differ
code
- 基于FFT变换、DCT变换、HT变换、小波变换和矢量量化技术的图像压缩的Matlab实现。-Based on the FFT transform, DCT transform, HT transform, wavelet transform and vector quantization image compression technology, the Matlab implementation.
xiaobo
- 利用matlab工具箱函数实现的小波变换图像压缩程序代码,试试吧!-Matlab toolbox function is achieved using wavelet transform image compression code, try it!
DTCWT
- 双树复小波变换具有平移不变性、方向选择性等特点,适合进行图像压缩,优于传统离散小波变换方法。-The DT-CWT is suitable to image compression processing because of its shift invariance and directional selectivity. It is preferable to traditional Discrete Wavelet Transform(DWT).
MATLAB_Wavelet
- MATLAB下小波变换的原理教程及示例 包括:一维线性非线性近似、二维线性非线性近似、使用线性滤波过滤噪声、使用小波门限消除噪声、使用小波变换压缩一维信号、二维小波图像压缩等等。-MATLAB wavelet transform under the principle of tutorials and examples include: one-dimensional linear non-linear approximation, two-dimensional linear non-line
wavlet1
- 基于matlab小波变换实现的图像压缩 (通过mask截取小波变换系数)-Wavelet Transform Image Compression
Txiaobo
- 该程序(基于matlab)为小波变换在数据压缩方面的应用。原理:数据可分为高频部分和低频部分,高频部分反映了细节,而低频部分则反映概貌,故压缩部分应为高频部分。数据经此程序变换后将压缩为原来的一半。-This program (based on matlab) for the wavelet transform applications in data compression. Principle: Data can be divided into high-frequency part and
matlab
- 对小波变换的性质进行了详细的描述和研究。对图像的处理,压缩等等进行了仿真-The nature of the wavelet transform is described in detail and research. Image processing, compression, and so the simulation
MATLABimagecompression
- 共7个matlab程序及两幅原始待处理图像,功能是图像压缩的实验,分别运用了DCT(1个程序),小波变换(5个程序)和小波包变换(1个)对图像进行压缩,各个程序的作用及程序注释已在程序中做了详细说明,程序均可直接运行-matlab program for image compression ,using DCT wave,wavelet,wavelet packet methods respectively .
matlab
- 压缩文件中包含用小波变换、傅里叶变换、哈达玛变换、离散余弦变换实现图像压缩的源码,和一个绘制图像直方图及均衡化后的图像的直方图的程序。-Zip file contains the wavelet transform, Fourier transform, Hadamard transform, discrete cosine transform image compression source code, and a procedure of drawing image histogram .
MATLAB优化算法案例分析与应用《进阶篇》
- 贝叶斯分类器 基于背景差分的运动目标检测 基于小波变换的图像压缩 基于BP的模型优化预测 基于RLS算法的数据预测 等等(Bias classifier is based on background difference moving object detection, wavelet based image compression, BP based model optimization prediction, RLS based algorithm for data predicti
MATLAB数字水印[GUI,dwt,dct,lun文]
- 该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比,有一个GUI界面,包括嵌入,加噪,旋转,剪切,压缩等多种攻击,提取候,具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedd