搜索资源列表
attack
- 一套由matlab编程的基于小波的水印应用图片例子-A set of matlab programming applications based on wavelet image watermark example
lsydwt2
- 文本水印，基于小波的零水印，实现是文本文档的版权认证，鲁棒性好。-Text watermark, wavelet-based zero-watermark, the realization of a text document is copyright authentication, better robustness.
DWT_DFT_001.pdf
- 该文提出一种基于小波变换和后对音频进行小波变换， 小波变换的近嵌入水印。在水印提取过程中，不需要原始音频信号的参与。仿真试验证实了该算法的稳健性和不可感知性。-This paper presents a wavelet transform-based and audio after the wavelet transform, wavelet transform nearly embedded watermark. In the watermark extraction process does
xiaobobian
- 本代码是一些关于水印处理的一些算法用小波变换来实现，在嵌入水印之后用各种攻击检验算法的鲁棒性-The code is some deal about a number of watermarking algorithm using wavelet transform to achieve, in the embedded watermark after the attacks with a variety of test algorithm robustness
Digital_Watermarking
- 基于小波的数字水印，含MultiMark、WaterMark两种方法。-Digital Watermarking Based on Wavelet, including MultiMark, WaterMark two ways.
DigitalWaterMark
- 数字图像水印，使用小波变换进行水印的添加和提取。matlab源代码。wm_embed.m嵌入。wm_extract.m提取。-Digital image watermarking, the use of wavelet transform to add and extract the watermark. matlab source code. Embed wm_embed.m. wm_extract.m extraction.
M_program
- 音频水印的matlab相关程序，包括两个部分：小波域音频水印（含修正离散余弦变换）及基于HRT和线性回归检测水印的算法。 -Matlab audio watermark-related procedures, including two parts: audio watermarking in wavelet domain (including MDCT) and linear regression based on the HRT and the watermark detection a
logistic_dwt
- 】利用混沌动力学系统中logistic 映射先对水印图像进行置乱预处理以增强其鲁棒性, 在小波域中将原始音频信号按比例分段, 此比例为原始音频信号低频部分与水印信号个数之比, 然后将水印信号加入到音频信号的 低频部分。用StirMark 攻击后的实验结果表明, 该算法对StirMark 的部分攻击具有一定的鲁棒性。-The logistic- map sequences to encrypt the watermark are used. The original audio signal
24-05-09
- A New Robust Watermark Embedding into Wavelet DC Components
six
- 六个代码分别是小波变换用于水印密写,离散余弦变换应用于水印密写和空域算法水印算法-Six codes are used for watermark Steganography wavelet transform, discrete cosine transform used in secret writing and airspace watermark Watermarking Algorithm
watermarking
- 对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印-Sub-frame of the audio signal increases the Hamming window for each frame impletment third-order wavelet transform, whichever is close to the average coefficient (usually zero). a
wavedetect
- 本函数将完成W-SVD模型下数字水印的检测 corr_coef, corr_DCTcoef 分别为不同方法下检测出的相关性值 function [corr_coef, corr_DCTcoef] = wavedetect(test, original, seed, wavelet, level, alpha, ratio)- This function will complete the W-SVD model digital watermark detection corr_coef
vm
- Owing to the broad application value of audio watermarking in remote transmission and mobile extraction, it is very important to study watermarking approaches against A/D and D/A conversion. Based on wavelet decomposition and cepstrum technol
vm2
- Owing to the broad application value of audio watermarking in remote transmission and mobile extraction, it is very important to study watermarking approaches against A/D and D/A conversion. Based on wavelet decomposition and cepstrum technol
an_intellegent_audio_water_marking_based_on_dwt-s
- All three, Discrete Wavelet Transform (DWT) - Singular Value Decomposition (SVD) and Adaptive Tabu Search (ATS) have been used as mathematical tools for embedding data into an audio signal. In this paper, we present a new robust audio waterma
medicalimagesROI
- 摘 要: 提出了一种基于医学图像中感兴趣区域(ROI)的盲检测水印算法, 将包含重要病理信息的灰度图像作为数字水印, 经置乱后在混沌序列的控制下嵌入到宿主小波域非感兴趣区域中。实验结果表明, 该算法在保护医学 ROI 的同时提高了水印抗 JPEG 压缩的鲁棒性, 并对篡改、 几何剪切、 滤波等均具有良好的鲁棒性和透明性, 而且混沌序列增强了系统的安全性。-Abstract: This paper presents a region of interest based on medical ima
dwt_embed
- 数字水印嵌入算法，利用离散小波变换的（dwt）算法-Digital watermark embedding algorithm, using discrete wavelet transform (dwt) algorithm
audiowatermarkingprogram
- 这是基于小波变换的音频水印matlab程序, 该程序是基于三段式能量关系嵌入水印的,对研究水印的同仁有帮助。 -This is the audio watermarking matlab program based on wavelet transform. it is based on three-power relations embedded watermark and has help to the watermark research colleagues.
ImageProcessing
- 各种图像处理算法的源代码，包括图像压缩（HUFFMAN编码，JPEG编码，小波变换），图像灰度变换，图像正交变换，边缘检测，图像水印-Various image processing algorithms source code, including image compression (HUFFMAN coding, JPEG coding, wavelet transform), image gray level transformation, image orthogonal transf
wavelet
- 小波变换在图像处理中的应用，包括：去噪、分解重构、水印的算法-Wavelet transform in image processing applications, including: noise reduction, decomposition and reconstruction, the watermark algorithm