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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
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
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
newproject
- this code first reads an image and decomposed it in discrete wavelet transformation.hl1 and hl2 are extracted to embed watermark. watermark is added to hl1 and lh1 and inverse dwt is applied.
Wavelet-baseddigitalimageprocessing
- 基于小波变换的数字图像处理（MATLAB源代码用于水印提取-Wavelet-based digital image processing (MATLAB source code for the watermark extraction
dwt
- 实现基于小波变换数字水印的嵌入和提取,并实现对压缩，噪声等攻击的检测。-Using the same key after a chaotic sequence of scrambling the watermark information to achieve the double encryption, consider the wavelet energy distribution problem, the watermark information embedded in low-freq
Distortionless_Data_Hiding
- The code implements the following paper: Guorong Xuan, Jiang Zhu, Jidong Chen, Shi Y.Q., Zhicheng Ni, Wei Su, "Distortionless data hiding based on integer wavelet transform" IET Electronics Letters, Volume: 38, Issue 25, page 1646- 1648, Decembe
dig_wat_mark
- This a watermark soucecode based on Spacial Domain Algorithm implemented by using Delphi7.0. The main idea is to embed the binary watermark into th - transparent digital watermarking and digital watermarking Wavelet the note. Pictures were revised
DWT-based-watermarking
- 小波域数字水印嵌入程序。 实现对数字图像进行水印嵌入和检测。-Digital watermark embedding in wavelet domain. Implementation of digital image watermark embedding and detection.