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图像压缩的几个MATLAB算法
- 图像压缩的几个MATLAB算法:分块编码、高斯金字塔、离散余弦变换、单值分解。-Image Compression Algorithm several MATLAB : Block Coding, Gaussian pyramid, discrete cosine transform, singular value decomposition.
JPEGcompression.rar
- 1.首先通过DCT变换去除数据冗余; 2.使用量化表对DCT系数进行量化; 3.对量化后的系数进行Huffman编码。 具体源程序由主程序及两个子程序(DCT量化、Huffman编码)组成: ,1. First of all, through the DCT transform to remove data redundancy 2. The use of quantization table of quantization DCT coefficients 3. Of quanti
work.rar
- 常用图像压缩编码码matlab实现。包括:DM编码、变换编码(FFT和DCT)、算术编码、行程编码、Huffman编码、线性预测编码和一个近似的JPEG编码过程。非常适合入门用户实践。,Commonly used image compression coding matlab code to achieve. Including: DM coding, transform coding (FFT and DCT), arithmetic coding, Run-Length Coding, Hu
JPEG.rar
- 图像JPEG压缩算法,由8*8DCT变换,调用量化表进行量化,最后由Huffman编码完成算法,JPEG image compression algorithm, the 8* 8DCT transform, quantization table calls to quantify, and finally completed by the Huffman coding algorithm
matlab
- matlab编译 小波变换,用于图像融合和处理 文件夹为可用的融合图片-compiler matlab wavelet transform, image fusion and processing for the folder for the integration of the available picture
wavelets
- 基于小波变换的图像压缩代码,包括压缩比、运行时间和计算复原图像的峰值信噪比-Image compression based on wavelet transform code, including compression ratio, operation time and recovery images of the peak signal to noise ratio calculation
Discrete_Cosine_and_Sine_Transforms
- 继 Discrete Cosine Transform: Algorithms, Advantages, Applications (K. R. Rao and P. Yip) 之后的一本关于离散余弦变换(DCT)的快速实现算法的最新专著. 本书第五章“Integer Discrete Cosine/Sine Transforms”关于DCT整数近似实现写的非常详细和精彩, 很方便大家编程实现. 值得一提的是本书的第一作者Vladimir Britanak 一直在从事DCT, 尤其是改进的离散余
001
- MATLAB环境下二维离散余弦变换的图像压缩-Two-dimensional discrete cosine transform image compression
test
- 经典小波变换matlab,应该能给大家一些参考意义-Classical wavelet transform matlab, everyone should have some reference value
F1236734067
- 感应电机本体程序代码,包括各种坐标之间的变换,-Induction motor body code, including the transformation between the coordinates,
9854125413
- 运动估计是视频编码的关键技术,其最基本的原理是利用相邻帧间的时间 相关性,通过预测来减少时间冗余度。在实际编码中,为了节省码率,并不传 输每一帧的全部数据,而是利用运动估计求出每一帧与其预测参考帧之间的差 值。运动估计越准确,差值的分布越趋近与零,差值块的能量越小,经过变换、 量化和熵编码后所产生的码流的比特位率也越少。因此,运动估计搜索的准确 程度直接影响到了编码的压缩性能。 -Motion estimation is the key to video encodin
wavelet
- 双正交小波的正变换和反变换,以及显示程序;提升小波的正变换和反变换,以及显示程序-Are the biorthogonal wavelet transform and inverse transform, and display procedures the lifting wavelet transform and inverse transform is, as well as the display program
matlab
- matlab做的基于DCT变换的图像压缩-GOOD
JPEGcompression
- 本程序实现了一个基本的灰度图像的JPEG压缩过程。其中的函数可实现DCT变换。-It shows what a jpeg compression is all about.
DCT_sim
- 采用离散余弦变换对图像进行压缩的matlab函数代码。-Using discrete cosine transform image compression matlab function code.
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).
DCT
- 离散傅里叶变换程序源码,matlab主程序,函数-Discrete Fourier transform program source code, matlab main program, function
MATLABshixianxiaobobianhuanyasuo
- MATLAB实现提升小波变换的图像压缩,下载即可运行-MATLAB realization of Lifting Wavelet Transform Image Compression, download you can run the
ImageCompression
- 对位图图像利用JPEG标准进行正交变换、量化、扫描从而达到压缩,同时解压显示其压缩图像。-Bitmap image using JPEG standard orthogonal transformation, quantization, scanning to achieve the compression, and decompression display the compressed image.
3971017DCT
- 对原始灰度图像 Lena_gray.bmp进行图像压缩实验 1.对此图进行 8×8 DCT 变换后,分别只保留 DC系数,以及保留前 4、8、16 个变换系数(DC+AC) ,然后再分别进行 IDCT 变换,比较结果。 2.可以使用 Matlab - Image Processing Toolbox 中的函数实现。-gray image of the original image compression Lena_gray.bmp an experiment. This diagram 8 8