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7z426
- 压缩软件源码，支持格式：7z、ZIP、CAB、RAR、ARJ、LZH、GZIP、BZIP2、Z、TAR、CPIO、RPM 和 DEB 对于 ZIP 及 GZIP 格式，7-Zip 能提供比使用 PKZip 及 WinZip 高 2-10% 的压缩比 7z 格式支持创建自释放(SFX)压缩档案 集成 Windows 外壳扩展 强大的的文件管理 强大的命令行版本 支持 FAR Manager 插件 -compression software source,i
SaveJPEG2
- 将图片保存成jpg格式的算法，速度还可以。支持调整压缩比例。-preservation of the photos as jpg format algorithms can also speed. Compression ratio adjustment support.
JPEG可用
- 基于“鱼眼”的JPEG图像压缩，我毕业设计的内容。在压缩中，通过设置参数可以提高图像四周的压缩率而不破坏主体。提高压缩率- Based on \"fish eye\" JPEG image compression, my graduation project content. In the compression, may enhance picture all around compression ratio through the establishment parameter but
改写的分行程序
- 这是分行用于图像压缩的经典的程序,在正常的情况下可达到7:1左右的压缩比.-This is a branch for the classic image compression procedures, in normal circumstances can reach about 7:1 compression ratio.
MyCompress
- 文件压缩功能：压缩指定单个文件，或多个文件（zip格式）；察看压缩文件内每个文件的大小，压缩比信息；解压缩指定文件（zip格式），允许选择压缩包内单个文件进行解压缩；察看整个压缩包的压缩比等信息。-compression function : Compression designated single document, or multiple documents (zip format); A look inside compressed files, each file size, com
jpeg_encode+decoderhojoon
- This a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN -
LZW_Demo
- 实现对图像的lzw压缩编码 得到图像的压缩比以及码长-Lzw realize image compression coding of image compression ratio as well as the code length
compression
- 主要用于图像经小波变换压缩图像，并计算压缩后的图像压缩性能即压缩比和信噪比-Mainly used for image compression by wavelet transform image, and calculate the compressed image compression performance that the compression ratio and signal to noise ratio
wangwei20062218
- 该程序利用Matlab编写，并带有GUI截面。实现了任意格式图像压缩的功能。并且可以对比显示压缩前后图像，显示压缩比例和压缩时间。-The program prepared by the use of Matlab, and with a GUI cross-section. Image compression format to achieve an arbitrary function. Compared before and after the show and can compress
jingdianEZW
- 高光谱图像压缩中的ezw算法，实现了很好的压缩比-Hyperspectral image compression ezw algorithm to achieve a good compression ratio
dpcm
- Lossless image compression plays a very important role in image processing. However, it develops very slowly and it is difficult to improve the efficiency of compression, since complete information and high fidelity are demanded. The lossless compres
12
- 本文所研究的二值图像游程编码数据压缩，就是一种具有高压缩比的无损数据压缩技术，它是应用游程编码的原理对二值图像进行数据压缩的编码技术，其编码非常简单，编码和解码速度快，因此其应用范围广泛。-This paper studied binary image run-length encoding data compression, is a high compression ratio of lossless data compression technology, which is the app
ADPCMCodec
- The DVI Adaptive Differential Pulse Code Modulation (ADPCM) algorithm was first described in an IMA recommendation on audio formats and conversion practices [1]. ADPCM is a transformation that encodes 16-bit audio as 4 bits (a 4:1 compression ratio).
DCT_JPEG
- 给予matlab的JPEG压缩程序，包含原始压缩图片，程序对灰度bmp图片进行JEPG编码，压缩成以0101形式的编码。JPEG编码先把图象色彩RBG变成亮度Y和色度Cr、Cb，它利用人的视觉对色度不敏感的特点，减少一部分色度数据，以达到压缩。 JPEG采取多种编码方式，包含有行程编码(Run Length Coding)和哈夫曼(Huffman)编码，有很高的压缩比。在编码前，先对数据进行分块，离散余弦变换（DCT）及量化，保留能量大的低频信号，丢弃高频信号以达到压缩。-Given to th
data-compression
- 通过labview将庞大的数据进行压缩，可手动分段调整压缩比例，在保持数据曲线不变的情况下，减小数据量。主要用于表面光电压时间衰减测量。-use Labview to realize data compression, can manually adjust the compression ratio, maintaining the shape of data curve, reducing the amount of data. Mainly used for surface photovo
wave-let-based-compression
- this compression based wavelet decomposition the compression ratio would be good
image-compression-final
- DCT算法对图像进行压缩解压，并且计算压缩比-The DCT algorithm to calculate the compression ratio for image compression decompression
data-compression-algorithm
- 该文提出了一种自适应可调节压缩率的压缩算法，根据参数实时调节压缩算法的压缩率。-This paper proposed an adaptive adjustable compression ratio compression algorithm.
Frequency-Compression
- 基于labview2012和NI Advanced Signal Processing Toolkit套件开发的频率压缩程序，可设置频率压缩比率，并显示压缩前后的频谱图像。-Labview2012 and NI Advanced Signal Processing Toolkit suite developed frequency compression based procedures, can set the frequency compression ratio, and image sh
FELICS-compression-algorithm
- 标准的FELICS无损图像压缩算法，计算出了改算法的压缩比和运行时间。-Standard FELICS lossless image compression algorithm, the algorithm calculates the change of the compression ratio and the running time.