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一个基于均值量化音频水印嵌入和提取的matlab程序
- 一个基于均值量化音频水印嵌入和提取的matlab程序
8*8矩阵dct变换以及量化 反量化和反dct变换
- 8*8矩阵dct变换以及量化 反量化和反dct变换,8* 8 transform and quantization matrix dct quantization and anti-anti-dct transform
ColorHistogram.rar
- 图像颜色特征的提取:HSV颜色直方图 描述的是图像的整体颜色情况。本程序采用非均匀量化方法得到36bin的颜色直方图。,Image Color Feature Extraction: HSV color histogram describes the situation of the image' s overall color. This procedure using non-uniform quantization method the color histogram 36bin.
用Matlab实现的数字音频水印嵌入与提取
- 并且具有对抗加噪、重采样、重量化、滤波以及MP3有损压缩等攻击的良好鲁棒性,fimpr
watermark
- 基於區塊變異數量化之影像版權保護計術,內含程式碼與原論文-Variability based on the number of blocks of image copyright protection of patients, including code and the original papers
sqa
- 图像压缩传输过程中减少量化干扰的算法 参见论文原文http://eeweb.poly.edu/~onur/publish/sub.pdf-SUBSPACES OF QUANTIZATION ARTIFACTS FOR IMAGE TRANSFORM COMPRESSION
imagevectorquantization
- 本代码是利用matlab开发环境,对图像进行矢量量化,从而实现对图像的压缩;并介绍了需要用到的一些matlab现有函数及其使用方法和功能;在码书的训练方法上选择的是自组织映射神经网络,解码重建后的图像质量较好-The application of Self-Orgnization Feature Maps neural network in image vector quantization
vqwatermarking
- matlab编的基于图像矢量量化的水印程序,用分割码本的办法嵌入水印!-matlab for image vector quantization-based watermarking process, with the approach of the division of code embedded watermark!
wodeshuiyintiqu
- 这是一个小的matlab源码。实现了水印过程的提取,并对于水印的嵌入效果和作用做了量化分析。对于做水印初入门的人有一定的借鉴意义-This is a small matlab source code. Achieved a watermark extraction process, and for the effect and role of the embedded watermark has done a quantitative analysis. For those who do wat
code
- 基于FFT变换、DCT变换、HT变换、小波变换和矢量量化技术的图像压缩的Matlab实现。-Based on the FFT transform, DCT transform, HT transform, wavelet transform and vector quantization image compression technology, the Matlab implementation.
DPCM
- DPCM编码,简称差值编码,是对模拟信号幅度抽样的差值进行量化编码的调制方式.-DPCM coding, referred to as difference coding is to sample the analog signal amplitude to quantify the difference between the modulation coding.
encodinganddecoding
- 实现对视频图像的游程编码和解码。过程包括:二维DCT变换、量化及游程编码。 一般来讲对于视频的I帧进行恢复,其信噪比可达到38DB以上。-Implementation of the video image encoding and decoding run-length. Process includes: two-dimensional DCT transform, quantization and run-length encoding. In general, I frame for
lianghua
- 一个用于量化的程序,包括均匀量化和非均匀量化。-One for quantitative procedures, including non-uniform quantization and uniform quantization.
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
forcal9code
- 使用MATLAB仿真边缘提取算法,然后使用VC++编程,实现边缘定位及矢量化-Edge extraction algorithm using the MATLAB simulation, and then use the VC++ programming, and the vector of edge location
MATLAB-shi-liang-hua-suan-fa
- 用MATLAB进行图形矢量化,解释概念,精华论文-Vector graphics using MATLAB to explain the concept, the essence of paper
A-Watermarking-Algorithm(MATLAB)--
- 盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词 数字水印盲
shiliang
- 图像矢量量化matlab小程序,基于LBG算法和全搜索算法-Matlab image vector quantization small program, and full search algorithm based on LBG algorithm
matlab-tuxiangchuli
- 本程序是用MATLAB编写的,有关图像处理中图像的采样、量化、均衡、滤波等处理-This procedure is to use MATLAB, connected with the image of the image processing such as sampling, quantification, balanced, filtering processing
hsvSAVEdata
- 将HSV量化数据保存至DATA文件用于SVM分类器(Save the HSV quantized data to the DATA file for the SVM classifier)