huffman_file_compress

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)

视音频课程作业，对视频抽帧，对单张图片进行yuv420采样、DCT变化、量化以及反量化、IDCT变化(Jpeg Encoding & Decoding)

说明：  基于ANN神经网络预测方法，可以较为精确地绘制出预测值与实际值以及误差的曲线(ANN-based neural network prediction method, you can more accurately draw predictive value and the actual value and the error curve)

说明：  thank you for every thing

霍夫曼编码的C++实现,输入一组字符串，输出每个字符的编码及整个字符串的霍夫曼编码。(realization of Huffman coding using VC++)

利用零树小波的概念，完成了对静态图像的编码与解码，经过调试的。(The use of the concept of zerotree wavelet completed on the static image encoding and decoding, after debugging.)

用verilog编写的huffman解码程序(huffman decoder verilog)

说明：  用单片机来直接驱动步进电机很精确走小步子.(Using single-chip to directly drive stepper motor is very accurate take small steps.)

从Zip文件创建，添加，提取，更新，删除文件 读/写密码保护的Zip文件 支持AES 128/256加密 支持标准邮??编加密 支持Zip64格式 支持存储（无压缩）和Deflate压缩方法 从Split Zip文件创建或提取文件（例如：z01，z02，... zip） 支持Unicode文件名 进度监视器(Create, add, extract, update, delete files from Zip files Read/write password-protected Zip files Support for AES 128/256 encryption Supporting Standard Postal Encryption Support Zip64 format Supporting storage (uncompressed) and Deflate compression methods Create or extract files from Split Zip files (e.g. z01, z02,... Zip))

一种针对Excel 的计费数据统计程序,可生成统计报告,并打印输出(A billing for Excel data statistics program, can generate statistics report, and print output)