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SPIHT(Matlab).zip
- % Matlab implementation of SPIHT (without Arithmatic coding stage) % % By Jing Tian, scuteejtian@hotmail.com fprintf('----------- Welcome to SPIHT Matlab Demo! ----------------\n'); fprintf('----------- Load
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
Huffman
- 霍夫曼编码全代码,完全描述了编码的全过程,还包括几个实例研究-Huffman code the whole code, a full descr iption of the encoding of the entire process, including several case studies
encoding_source_code
- 适合初学者的基于MATLAB的JPEG编码,haffman编码,RLE编码.-Suitable for beginners MATLAB-based JPEG coding, haffman encoding, RLE encoding.
lzw-hafuman
- matlab写的lzw和huffman的编码,希望对大家有用-matlab write LZW and huffman encoding, in the hope that useful
ConvolutionalCode_Phase1
- 卷积码(对数据流)编码解码,并分析结果。附带打孔程序段。-Convolutional code encoding and decoding
JPEG
- JPEg算法的实现,详细的介绍了其编码过程。-JPEG algorithm implementation, a detailed introduction of its encoding process.
huffman_coding
- ) Compression using huffman code -with a number of bits k per code word -provide huffman table Huffman coding is optimal for a symbol-by-symbol coding with a known input probability distribution.This technique uses a variable-length code t
huffman
- 霍夫曼编码程序 对给定的概率 生成霍夫曼编码 希望大家给点意见-Huffman encoding procedure to generate the probability of a given Huffman code to the point I hope everyone
Shannoncoding
- shannon编码,其中讲了一些香农编码的步骤,而且有shannon编码的程序-shannon encoding, which made some of the steps Shannon coding, and coding procedures shannon
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
mywork
- huffman arithmetic encoding and decoding
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
mpeg
- mathworks网站上下的mpeg视频编码程序能正常运行,我对此进行了改进,可以正常运行,已经运行试验过多次。-mathworks site from top to bottom mpeg video encoding programs to resume normal operation, and I had improved, can be normal operation, has been running tests on many occasions.
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
yanzheng
- LZ78编译码算法。可以实现LZ78词典编译码算法-LZ78 encoding and decoding algorithms. LZ78 dictionary coding and decoding algorithm can be achieved
arithmeticCoding
- 该程序实现了算术编码的编译码,并得到随机信源的输出码字和编码效率。-The program achieves the encoding and decoding of arithmetic coding, and gets the output code words and coding efficiency of the random sourse.
JPEG-matlab
- JPEG编码和解码,用Huffman编码-JPEG encoding and decoding, using Huffman coding
Run-length encoding?(RLE)
- run length encoding的Matlab程序,纯原创,请勿抄袭!(This is a Matlab program for run length encoding.)