Script Unpack Frimware Echolink Open Vu 9

说明：  该程序包含两部迭代收缩阈值算法在几个方面的应用，包括图像，1范数和2范数的核心算法。(The program includes two parts of iterative shrinkage threshold algorithm in several aspects, including image, 1 norm and 2 norm core algorithm.)

说明：  对测试图像分块、DCT和量化，将量化后的系数写成矩阵形式。(The test image block, DCT and quantization, the quantized coefficients written in matrix form.)

有关算术编码对文本压缩的程序在c++环境中实现(about arithmetic compressed)

自动把文件压缩发送 到邮箱,压缩包含MSDE数据库填写你的邮箱,和你的文件路径放到计划任务里,每天就能自动干活(Automatically compress files to send to the mailbox, compression contains the MSDE to fill in your email, your file path into the scheduled task on a daily basis will be able to automatically work)

加密、压缩(The Examples of Encrypt and Compression)

说明：  此压缩文件里面包含面板数据熵值法的stata代码，每一步都有详细的解释，并且附有样本和数据，方便学者理解和掌握。(This compressed file contains the stat a code of panel data entropy method, each step has a detailed explanation, and is attached with samples and data, which is convenient for scholars to understand and master.)

说明：  文件中有两个编码程序，一个是简单的游程编码仿真实现，另一个是图像的游程压缩编码实现(There are two coding programs in the file. One is a simple run-length coding simulation implementation, the other is the image run-length compression coding implementation.)

JPEG编码和解码，用Huffman编码(JPEG encoding and decoding, using Huffman coding)

说明：  利用哈夫曼树对简单文件进行压缩和解压缩，对数据的压缩集成(Compression and Decompression of Simple Files Using Huffman Tree)

melp编解码，压缩率2.4Kbps，1.2Kbps(MELP codec, compression rate 2.4Kbps, 1.2Kbps)