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小波压缩代码
- 对图像进行2维小波编码 来实现压缩。将小波分析引入图像压缩的范畴也是一个重要的手段，并且有着它自己的特点。它的特点在于压缩比高、压缩速度快，压缩后能保持信号与图像的特征基本不变，且在传递过程中可以抗干扰等等。（有两种方法）-of two-dimensional images wavelet compression coding to achieve. Wavelet Image Compression analysis of the introduction of the context is
用VB6开发的一款图片批量压缩、格式转换工具
- 用VB6开发的一款图片批量压缩、格式转换工具，可将BMP、TIF、PNG、GIF、JPG等格式压缩并转换成PNG、GIF、JPG格式。支持按高等比缩放、按宽等比缩放、自定义尺寸等比缩放等模式，缩放后图像不会变形(等比嘛)。采用GDI+技术，是VB开发人员学习熟悉GDI+的绝佳例子。,VB6 development with a picture-volume compression, format conversion tools can be BMP, TIF, PNG, GIF, JPG fo
wave.rar
- 小波压缩算法,压缩比例大于20倍,小波压缩算法,压缩比例大于20倍,Wavelet compression algorithm, compression ratio greater than 20-fold, wavelet compression algorithm, compression ratio greater than 20-fold
Huffman
- MatLab实现对灰度图像的哈夫曼编码。 给出每个灰度级的编码。 并计算压缩比。-MatLab implementation of Huffman coding of gray image. Each gray-scale coding is given. And calculate the compression ratio.
jpeg-matlab
- JPEG压缩方法由于其较高的压缩比和理想的压缩效果，是目前应用最广泛的图像压缩方法-JPEG compression method because of its higher compression ratio and ideal compression effect, is currently the most widely used method of image compression
RunLength_finsh
- 利用vc 开发平台实现游程编码的算法，文件中有详细的代码，可以得出压缩比。里面也有运行程序的结果。-Vc development platform to use to achieve run-length coding algorithm, the document in detail the code compression ratio can be drawn. There is also the result of running the program.
DCTchange
- DCT变换程序，将一组给定的8*8图像块经过DCT变换为另一个8*8矩阵，并计算输出压缩比。-DCT transform process, a given set of 8* 8 image block after DCT transform for another 8* 8 matrix, and calculate the output compression ratio.
DSP_JPEG2000_001.pdf
- 本文介绍了JPEG2000的静态图像压缩技术在TI TMS320DM642 DSP上的实现过程；对压缩技术核心小波算法结构进行改进，对硬件特点的程序结构、具体代码及总线读写等方面的改进作了详细描述．改进后的软件系统，对于1 024×768像素大小的图像、数据存储空间仅需6 KB，使得在资源有限的DSP芯片上能够运行JPEG2000图像压缩技术；编码速度相对于未改进的提高了l2～ 2O倍，可迭到3帧／s；压缩比为O．5 bit／p时，峰值信噪比可达到3O．-This paper introduce
image_processing
- 包含多种图像处理算法，可显示图像直方图，进行图像压缩计算压缩比，对图像进行锐化（拉普拉斯算子，索伯算子等）-Contains a variety of image processing algorithms, can display the image histogram for image compression calculation of compression ratio, image sharpening [Laplacian, Sober algorithm, etc.]
Huffman
- 利用霍夫曼编码对图像的冗余度进行压缩，以利于传输。采用霍夫曼编码来得到比较好的压缩比。-Use Huffman code redundancy of images compressed in order to facilitate transmission. Huffman code used to get relatively good compression ratio.
compression
- 对图像进行压缩，包括DCT变换，量化，游程编码。有良好的压缩比和压缩率。-Image compression, including DCT transform, quantization, run-length coding. A good compression ratio and compression ratio.
ImageCompression
- 给出了一种基于小波分形的图像有损压缩方法.首先，利用小波变换将图像分解为不同频率的分量，然后采用分形迭代函数系统、Huffman树等方法对它们进行编码.实验表明，该算法在保证还原图像质量的情况下，有较高的压缩比.-Image Compression Bassed on Wavelet and Fractal
Untitled3
- 图形压缩比计算方法 我上学期做的 可以用 运行成功了-Graphics compression ratio calculation method
sjbz
- 可以方便的制作手机壁纸: 1.支持bmp,jpg,gif(gif只支持第一帧),png格式 2.输出格式为jpg,因为我感觉小尺寸的图片文件在图片失真不严重的情况下jpg格式比其他格式友更好的压缩比 3.支持图片翻转,平滑等特效 4.操作简单,方便易用.-You can easily create mobile phone wallpaper: 1. Supports bmp, jpg, gif (gif only supports the first frame),
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
Denoise_compression
- 分形在图像压缩技术中的应用已成为图像数据压缩领域中最为热点的问题之一 其压缩比在理论上可超过经典压缩方法的几个数量级。 -Fractal image compression technology in the application of image data compression has become an area of one of the most hot spots in theory, its compression ratio can be compressed more t
RLE
- 灰度图像的二值化，实现图像的RLE编解码，并计算图像的压缩比。-Gray image binarization, the RLE encoding and decoding of image and calculate the compression ratio.
JPEG2000
- 实现了单色图像的JPEG2000编码图像和解码图像！计算其压缩比和误差，观察源图像和重构图像之间的差别！-JPEG2000 images to achieve a monochrome image coding and decoding image! Calculate the compression ratio and error, observation of the source image and the difference between the reconstructed imag
DCT变换图像压缩
- 基于DCT变换的图像压缩处理，压缩比可自己调整(Image compression processing based on DCT transform)
图像压缩
- JPEG2000图像压缩算法，可计算压缩比，MSE，PSNR等参数(JPEG2000 image compression algorithm, you can calculate the compression ratio, MSE, PSNR and other parameters)