搜索资源列表
jfdctflt
- 一个JPEG文件的压缩实现.为jpeg中的前向DCT变换.是一个有损的压缩-a JPEG compression to achieve. For the jpeg to the DCT. One is the expense of compression
simplejpeg
- 一个简单的jpeg的编码器 它采用的离散余弦变换是ANN&SCALE DCT -a simple jpeg the encoder uses the discrete cosine transform DCT is ANNSCALE
datacomepressed
- 这是使用小波变换,jpeg以及DCT变换对图像进行的压缩 -This is the use of wavelet transform, and the DCT jpeg images of the compression
jiyudct
- 利用matlab实现对秘密信息的隐藏，主要是对图像进行dct变换，然后在低频嵌入信息！
Jpeg demo
- VC＋＋下面的JPEG压缩编码例程，包括DCT，Z字变换等操作-below VC + + JPEG compression routines, including DCT, Z characters transform such an operation
Loeffler_dct.rar
- JPEG dct快速算法，实现8X8到4X4，以及8X8到2X2等DCT变换，快速实现降采样。,JPEG dct fast algorithm 8X8 to 4X4, and 8X8 to 2X2, such as DCT transform, rapid down-sampling.
matlab
- 使用matlab的gui界面实现图像缩放旋转功能，FFT，DCT，等图像变化变换，并绘出直方图-Use the matlab gui interface for image scaling rotation, FFT, DCT, and other changes in the image transformation, and draw the histogram
MATLABDCT
- 基于MATLAB的DCT变换在jpeg图像压缩中的应用-MATLAB-based DCT transform in the jpeg image compression
w
- 实现jpeg的DCT变换。首先读入原始图象并设置参数，然后嵌入水印信息。-The realization of the DCT transform jpeg. First of all, read and set the parameters of the original image, and then embedded watermark information.
2
- HuffmanExp 哈夫曼编码 JpgVSbmp Jpg和Bmp格式相互转换的API封装 RWJpegExp JpegVC++类 VbTestDll VB调用Jpg和Bmp格式相互转换API函数的示例 jpeg jpeg中的前向DCT变换-HuffmanExp Huffman Coding JpgVSbmp Jpg and Bmp format conversion between API package RWJpegExp JpegVC++ classes VbTestDll
yousun
- 基于dct变换的水印算法，并进行有损压缩情形下的水印嵌入和提取-Dct transform based watermarking algorithm, and for lossy compression case the watermark embedding and extracting
DFTandDCT
- （1）离散余弦变换DCT基底灰度图像绘制（2）离散傅里叶变换DFT基底灰度图像绘制-(1) discrete cosine transform DCT base gray image rendering (2) Discrete Fourier Transform DFT basal gray image rendering
ntt
- 本次研究主要内容是对音频信号进行数字水印加密技术的分析，数字水印技术作为保密技术的一种形式，将具有特殊含义的数据信息嵌入到数字媒体中，以达到对数字媒体进行辨识、标记和版权保护的目的。主要介绍几种水印的嵌入方法：相位法、回声法、时域方法、频域方法、小波域变换等。-Digital audio watermarking is nowadays gaining popularity among the original audio content producers. It provides a w
grcqsformcode
- DCT离散余弦变换演示,源代码+测试图片 k可以学习用-Discrete cosine transform (DCT demonstration, source code+ k can learn with test images