搜索资源列表
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
ImageCompressed.rar
- 利用霍夫曼编码算法对数字图像进行压缩及解压缩处理，解压出来的图像与源图像几乎完全一致，峰值信噪比为无穷大,The use of Huffman coding algorithm for digital image compression and decompression processing, extracting images from the source image is almost exactly the same infinite PSNR
lena
- 把一副图片分块8-use matlab block a picture to 8*8
huffman
- 利用MATLAB实现哈弗曼编码。 利用MATLAB实现哈弗曼编码。-Use MATLAB to achieve哈弗曼coding. Use MATLAB to achieve哈弗曼coding.
2
- 音乐信号滤波去噪—使用切比雪夫型滤波器，里面包括了音乐信号及滤波器设计的源程序-Music signal de-noising filter- the use of Chebyshev-type filter, which includes the music signal and filter design of the source
Cross-Entropy
- 交叉熵实现多元高斯混合模型优化的源代码，供大家学习使用-Realize cross-entropy optimization of multi-Gaussian mixture model of the source code for the U.S. study the use of
Adams
- Adams四阶预测的源码，供大家学习使用-Adams fourth-order prediction of the source for studying the use of U.S.
ezw3_matlab_vnp
- EZW implementation which will use wavelet transforms and do the compression decompression using EZW coding algorithm
EZW_Matlab_Demo_vnp
- EZW implementation which will use wavelet transforms and do the compression decompression using EZW coding algorithm
firs
- 利用MATLAB实现正交滤波器组的设计。-Use MATLAB to achieve the design of orthogonal filter banks.
xinhaohebing
- 利用matlab/simulink 实现两路信号合并-use matlab/simulink to merge two signals
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
huff
- 利用matlab编程环境，采用算术编码的方式实现字符串的无损压缩-The use of matlab programming environment, using arithmetic coding means to achieve a string of lossless compression
pso-image
- LGB图像压缩代码--使用LGB算法训练码本，多次训练直到收敛到一定程度。可以输出量化结果和量化信噪比-LGB image ya suo--the use of the code, many training until convergence to a certain extent. Output can be quantified and quantitative results SNR
huffman
- 对无记忆信源运用huffman编码，解码，计算信源熵和编码效率-Memory source to use for non-huffman encoding, decoding, computing source entropy and coding efficiency
LZ--haveDic
- lz编码与解码，可以实现对图片和文档的编码和解码，编码率99&以上，很好用-lz encoding and decoding, pictures and documents can be achieved for encoding and decoding, encoding rate of 99 & above, very good use
chapter4
- 信号与系统第四章完整程序，解压后可以运行-you can use it after Decompression
dpcm
- 进行预测编码的一部分程序，若想使用还需自己编写部分函数-To predict the coding part of the program, if you want to use some functions need to write your own
matlab
- 使用matlab对二维图像进行压缩编码，用哈弗曼函数进行-Use matlab for the two-dimensional image compression, Ha Fuman function
MATLAB
- MATLAB中的一些脚本文件和程序,帮助初学者可以很好并且高效的了解MATLAB的功能并且熟练掌握如何使用MATLAB。-MATLAB in some of the scr ipt files and procedures to help beginners can be very good and efficient understanding of the function of MATLAB and master how to use MATLAB.