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基于dct离散余弦变换的matlab音频水印
- 基于dct离散余弦变换的matlab音频水印添加源代码。
DCT
- 用matlab对一张图片进行DFT变换，DCT变换,比较保留20个DCT变换系数重构的图象与原始图像的差别.-Using matlab on a picture to DFT transform, DCT transform, compared to 20 DCT transform coefficients to retain the image reconstruction of the difference between the original image.
DCT
- 利用matlab实现基于DCT变换的变焦距图像融合-Using matlab to achieve DCT-based image fusion Zoom
ar_dct_kda
- 在AR人脸库上进行DCT变换，使用DCT变换后的图像进行 kernel fisher discriminant analysis,其中kernel 函数可以自己选择-In the AR face database on the DCT transform, using the DCT transformed image kernel fisher discriminant analysis, which can choose the kernel function
DCT
- 图像的基于8*8分块的DCT变换编码 MATLAB编程环境 -Images based on 8* 8 block of DCT transform coding MATLAB programming environment
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- 彩色数字水印的程序，实现在彩色图像中通过DCT变换来嵌入水印信息-Color digital watermarking process to achieve the color image by DCT transform to embed watermarks
DCT
- 将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩。-The image sub-block (8* 8) for the DCT transform, and to make IDCT: DCT is a separable image transformations, is used to image compression coding, IDCT is used to decompress.
watermarking_dct_matlab
- 一种DCT变换的数字音频水印技术，可以进行水印的嵌入和提取-DCT transform of a digital audio watermarking technique that can be embedded and extracted watermark
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- 信号与系统基础知识包括连续信号与模型、离散信号与模型；常用信号变换包括Z变换、Chirp Z变换、FFT变换、DCT变换和Hilbert变换等；离散系统结构包括IIR、fir和Lattice结构；IIR滤波器设计包括模拟和数字低通、高-Basic knowledge of signals and systems, including continuous signal with the model, discrete signals and model common signal, inclu
ar_dct_lda
- AR人脸库进行DCT变换，然后使用Fisher discriminant analysis 进行特征提取，使用cos分类器进行人脸分类。-AR Face Database for DCT transform, and then use the Fisher discriminant analysis feature extraction, using cos classifier for human face classification.
dctcompr
- 基于DCT变换的图像压缩，分别给出了灰度图和真彩图的压缩方法。-DCT-based image compression, respectively, are given grayscale and true color pictures of the compression method.
DCT
- 读入一幅256*256图像，将它分成8*8pixel的若干块，对每块做DCT变换，保留Z型顺序的若干变换系数，进行IDCT重构图像，计算重构图像的信噪比-Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation
DCT
- 用matlab实现的灰度图像DCT变换的源程序。-Matlab implementation of the gray image with DCT transform of the source.
media
- huffman 编码来处理图像 DCT变换-huffman coding to DCT transform processing images
DCT
- 实现了彩色图像上的DCT变换和DCT反变换-Color image on the realization of the DCT transform and inverse transform DCT
DCTchange
- matlab中的dct变换，在图像中利用dct变换嵌入水印，并提取-The dct matlab transformation in the image watermarking using dct transform, and extract
DCT
- 一个基于dct变换的数字水印算法的源程序-A dct-based Digital Watermarking Algorithm source code
Information-hiding
- 信息隐藏 文献综述 开题报告 基于matlab 的数字水印技术 dct变换-Information hiding
dct
- DCT变换，里面很多有用的matlab程序，你会需要的哈-DCT transform, which a lot of useful matlab program, you will need to Kazakhstan
DCT-MATLAB
- 利用DCT变换对灰度图像进行压缩，求出压缩比；对比不同压缩比的图像。-DCT transform using grayscale image compression, the compression ratio obtained compare different compression ratio of the image.