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[matlab] LSB和DCT信息隐藏的MATLAB实现 DL : 0: 实现了LSB信息隐藏和DCT域信息隐藏
Date : 2009-03-06 Size : 286.45kb User : zhangchengseu@yahoo.cn
[matlab] 基于dct离散余弦变换的matlab音频水印 DL : 2: 基于dct离散余弦变换的matlab音频水印添加源代码。
Date : 2011-05-10 Size : 1.26kb User : xiaoaozaoyuan@gmai.com
[matlab] dct88 DL : 0: 基于dct的数字水印算法-A watermark sourcecode based on DCT.
Date : 2025-12-23 Size : 1kb User : 陈宁
[matlab] watermark的DCT代码1 DL : 1: 一个基于DCT域的数字水印代码，里面有详细的注释说明。-This is a digital watermarking sourcecode based on DCT.Attached with detailed comments and explanation.
Date : 2025-12-23 Size : 480kb User : 符号
[matlab] watermark的DCT代码2 DL : 0: 有一个机遇DCT域的数字水印算法，里面有详细的注释说明，可以拿来研究-This is a DCT watermarking algorithm attached with detailed comments and explanation, which can be used for research purpose.
Date : 2025-12-23 Size : 483kb User : 符号
[matlab] dct DL : 0: 基于matlab编写的dct数字水印程序，文件包括有源程序以及简单的说明等-DCT matlab prepared based on digital watermarking procedures, documentation, including source code, as well as simple descriptions
Date : 2025-12-23 Size : 1kb User : 张伟
[matlab] dct DL : 0: 这是用matlab写的dct代码用于图像的信息的隐藏和提取。。部分老师写的哦。-This is used to write the DCT matlab code for the image and extract the hidden information. . Oh part of the Writing Teacher.
Date : 2025-12-23 Size : 1kb User : chenlihua
[matlab] DCT DL : 0: 一个有关DCT的matlab程序，采用分块的思路-DCT-a matlab program, the idea of using block
Date : 2025-12-23 Size : 1kb User : 吴杰
[matlab] DCT DL : 0: 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.
Date : 2025-12-23 Size : 7kb User : zy
[matlab] dct-dwt DL : 0: dct dwt for watermarking
Date : 2025-12-23 Size : 344kb User : magesh
[matlab] DCT DL : 0: 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.
Date : 2025-12-23 Size : 445kb User : tosh
[matlab] DCT DL : 0: 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
Date : 2025-12-23 Size : 247kb User : han
[matlab] DCT DL : 0: 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 reconstruction image reconstruction images,and the signal-to-noise ratio
Date : 2025-12-23 Size : 3kb User : jiangxin
[matlab] DCT DL : 0: 基于Matlab GUI的图像的DCT，自由调节压缩率，计算峰值信噪比，并图形化对比还原图像-Matlab GUI for image-based DCT, freely adjust compression rates, the peak signal to noise ratio, and reduction of image contrast graphic
Date : 2025-12-23 Size : 200kb User : 桂树
[matlab] DCT DL : 0: 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.
Date : 2025-12-23 Size : 47kb User : yang411
[matlab] DCT DL : 0: 基于DCT域数字图像水印的MATLAB实现-DCT domain based on MATLAB implementation of digital image watermarking
Date : 2025-12-23 Size : 77kb User : kingkong_code
[matlab] DCT DL : 0: 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
Date : 2025-12-23 Size : 3.58mb User : 宋亚斐
[matlab] Audio-Watermarking-in-DCT DL : 0: 本文在DCT噪声信号模型研究的基础上,提出了一种新的音频水印嵌入位置选择策略和一个应用该策略的自适应音频水印算法. 通过定义DCT系数的噪声敏感度,建立了水印嵌入位置和嵌入水印后的音频信号的听觉感知性之间的关系,根据音频水印的不可听性的要求选择最优的嵌入位置,然后调节水印强度来满足鲁棒性的要求,从而最大程度地保持音频水印的不可听性和鲁棒性,为解决音频水印嵌入过程中不可听性和鲁棒性之间的矛盾提供了一种策略.-Though m any w orks in the literature agree that w aterm ark should be em bedded in the middle2fre2 quency coefficients or percep tually significant components, how to determ ine the position em bedded has no universal definition. A new em bedding strategy and an algorithm app lying the strategy are p roposed for audio w aterm arking in DCT dom ain based on research of DCT noise m odal. B y defining a noise sensitivity vector, a m ath relationship betw een the w aterm ark em beddable position and the audible quality of the audio file w ith w aterm ark is set up.
Date : 2025-12-23 Size : 853kb User : 郑杨
[matlab] DCT-MATLAB DL : 1: 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.
Date : 2025-12-23 Size : 1004kb User : 吴原远
[matlab] MATLAB数字水印[GUI,dwt,dct,lun文] DL : 0: 该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比，有一个GUI界面，包括嵌入，加噪，旋转，剪切，压缩等多种攻击，提取候，具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedding, noise adding, rotation, cutting, compression and other attacks, extraction, and evaluation index PSNR, NC to evaluate the robustness of the algorithm)
Date : 2025-12-23 Size : 19.59mb User : 可乐一生

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