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[Develop Tools] 基于MATLAB的DCT域数字图像水印技术 DL : 0: 基于MATLAB的DCT域数字图像水印技术.PDF 利用matlab实现-MATLAB-based DCT digital image watermarking technology. PDF achieved using Matlab
Update : 2008-10-13 Size : 841.22kb Publisher : bob
[matlab] 图象处理2 DL : 0: Update : 2025-03-07 Size : 4kb Publisher : 陈大明
[Books] 基于MATLAB的DCT域数字图像水印技术 DL : 0: 基于MATLAB的DCT域数字图像水印技术.PDF 利用matlab实现-MATLAB-based DCT digital image watermarking technology. PDF achieved using Matlab
Update : 2025-03-07 Size : 841kb Publisher : bob
[Crack Hack] DCTwatermark DL : 0: 基于dct的数字图像水印技术的matlab源代码。大家共享-DCT-based digital image watermarking technique matlab source code. U.S. share
Update : 2025-03-07 Size : 431kb Publisher : 张娜
[Wavelet] bb DL : 0: color image watermarking using DCT and DWT
Update : 2025-03-07 Size : 1.07mb Publisher : Binson
[Special Effects] SVM_GA DL : 0: 提出一种基于支持向量机( SVM)和遗传算法(GA)的离散余弦变换(DCT)域盲数字图像水印方法. 该方法能自适应于图像的局部特征. 依据图像块的局部特性,利用SVM对图像块分类,自适应地确定水印嵌入强度, GA用来优化水印嵌入位置. 实验结果表明该方法有较好的不可见性和较强对抗攻击的鲁棒性.-Based on support vector machine (SVM) and genetic algorithm (GA), discrete cosine transform (DCT) domain blind digital image watermarking method. The method adaptive to local image features. Based on the local characteristics of image block using the SVM the image block classification, adaptive to determine the embedding strength, GA to optimize the watermark embedding location. The experimental results show that the method has good invisibility and robustness of the strong against the attacks.
Update : 2025-03-07 Size : 439kb Publisher : 郭事业
[matlab] DCTchange DL : 0: 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
Update : 2025-03-07 Size : 1kb Publisher : ztj
[matlab] matlab DL : 0: image watermarking using DCT CDMA -image watermarking using DCT CDMA ....
Update : 2025-03-07 Size : 17kb Publisher : SUPERIOR
[matlab] matlab DL : 0: 基于MATLAB的图像数字水印技术源代码，使用的是英文的解说，看懂应该没有什么问题,dct域和DTF域的-MATLAB-based image watermarking technology source code, using the English definition should read no problem, dct domain and domain DTF
Update : 2025-03-07 Size : 195kb Publisher : 牛太清
[matlab] dct1_embed.m DL : 0: WaterMarking an image using DCT.
Update : 2025-03-07 Size : 1kb Publisher : Athulya
[Special Effects] dct DL : 0: 在频率域内对图像进行水印，使用DCT算法在MATLAB中实现。-a method of digital image watermarking in frequency domain using DCT algorithm in MATLAB
Update : 2025-03-07 Size : 1kb Publisher : 郑慧敏
[Program doc] IJVSPA20110404 DL : 0: PERFORMANCE ANALYSIS OF HYBRID IMAGE WATERMARKING USING DCT AND DWT
Update : 2025-03-07 Size : 172kb Publisher : zohoor
[Crack Hack] 6-DCT-Based-Image-Watermarking-Using-Subsampling. DL : 0: DCT based image watermarking
Update : 2025-03-07 Size : 320kb Publisher : leelasaladi
[Software Engineering] IJCSET12-03-08-032 DL : 0: this paper is about the image watermarking using DWT+DCT+CDMA. it provides a good PSNR value then each technique seprately
Update : 2025-03-07 Size : 63kb Publisher : abhishek
[OS program] 58876 DL : 0: Digital image watermarking using dct svd on color image
Update : 2025-03-07 Size : 307kb Publisher : priyanka
[Special Effects] DCT DL : 0: 基于DCT域的数字水印算法主要包括水印调制、水印嵌入和水印提取，首先在嵌入载体图像之前用Logistic混沌序列对水印进行调制，得到一个只有+1和-1随机序列的水印，同时将载体图像进行全局DCT变换，然后将水印图像嵌入人类视觉系统最重要的部分，即DCT最大的系数，DC（Direct Current）部分也包含在这最大的系数中，这部分的系数满足人类视觉特性，会使水印嵌入的性能更好。嵌入算法是将水印与这些系数进行相乘获得新的系数，再用新的系数来替换原来的系数，即获得嵌入水印后的离散余弦域的图像，然后对这个变换后的图像进行IDCT，就会得到需要的水印图像。-While the carrier image digital watermarking algorithm based on DCT domain include watermark modulation, watermark embedding and watermark extraction, the first of the watermark embedded in a carrier modulated image before using Logistic chaotic sequence, only+1 and-1 to get a random sequence of watermark, Global DCT transform, then the watermark image is embedded most important part of the human visual system, i.e. the largest DCT coefficients, DC (Direct Current) in this section also contains the largest coefficient, the coefficient of this part of the human visual characteristics to meet, make watermarks Embed better performance. The watermark embedding algorithm is with these coefficients are multiplied to obtain new coefficients, and then a new factor to replace the original coefficients, namely discrete cosine domain to obtain an image watermarked and then transformed the image of this conduct IDCT, on watermark image will be needed.
Update : 2025-03-07 Size : 4kb Publisher : kelly
[matlab] WATERMARKING DL : 0: WATERMARKING IN DIGITAL IMAGE USING DCT AND LSB METHODS
Update : 2025-03-07 Size : 14kb Publisher : kvmanas
[Applications] Watermarking-of-single-channel-images-using-DCT.r DL : 0: This the code for Single Channel image watermarking using Discrete Cosine transform.-This is the code for Single Channel image watermarking using Discrete Cosine transform.
Update : 2025-03-07 Size : 41kb Publisher : vikky
[Other Embeded program] secure-digital-watermarking-using-dct-and-dwt DL : 0: Digital image watermarking using DCT-DWT and arnold transform.
Update : 2025-03-07 Size : 648kb Publisher : KIREETI GUDIVADA
[Special Effects] MATLAB数字水印[dwt+dct多攻击+GUI界面] DL : 0: 本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI，可以调用dwt方法的子界面和dct方法的子界面。流程包括，读取宿主图像和水印图像，嵌入，多种方法的攻击（剪切，加噪，旋转等），提取，最后利用psnr峰值信噪比进行评价不同攻击下，鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comparison digital watermarking system. With GUI interface. There is a main interface GUI, which can call the sub interface of DWT method and DCT method. The process includes: reading host image and watermark image, embedding, attack of various methods (cutting, adding noise, rotation, etc.), extracting, and finally evaluating the robustness of different attacks by using PSNR peak signal-to-noise ratio.)
Update : 2025-03-07 Size : 30.56mb Publisher : www.wobishe.com

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