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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
DCTJPEG
- 使用Matlab编程实现发送端信源编码(图像压缩)和接收端信源解码(图像重建),其中的编解码算法可采用基于DCT变换的JPEG图像压缩标准;测试图像加噪,然后对去噪后的图像进行压缩与重建,分析压缩性能;研究基于下采样和内插的图像压缩算法;可将8bit/pixel灰度图像扩展至24bit/pixel彩色图像,或者采用无损压缩算法对图像压缩。-Sender using the Matlab programming source coding (image compression) and the r
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
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.
091120076
- 基于matlab的哈夫曼编码,可以完成良好的信源压缩编码-Matlab-based Huffman coding, you can complete a good source compression coding
data-compression_grammar-transform
- 基于贪婪连续语法变换的高效通用无损信源压缩算法。本算法主要基于杨恩辉教授的论文。程序分两部分,C#部分进行语法分析,matlab部分进行数字编码。-lossless source compression algorithm based on greed sequantial grammar transform . This algorithm is based on Professor Yang Enhui papers. Program consists of two parts, C# pa
算术编码matlab
- 从整个符号序列出发,根据各信源序列的概率将信源序列映射到[0,1) 区间上,然后选取区间内的一点(也就是一个二进制的小数)来表示信源序列。(From the entire sequence of symbols, the source sequence is mapped to the interval [0,1] according to the probability of each source sequence, and then a point (that is, a binary f