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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
ICECS_10
- Compresion with DCT and DWT.
Paper(3)18-23
- Image Compression using hybrid of DWT,DCT and Huffman Coding:This research paper presents a proposed method for the compression of medical images using hybrid compression technique (DWT, DCT and Huffman coding). The objective of this hybrid scheme is
GUIku
- simple coding for dwt dct svd matlab
Watermarking_DWT_DCT_2_Insertion
- a new audio watermarking based on double insertion and double transformation DWT-DCT presented in IEEE ICM 2012
DCTSUANSHUIYIN
- 这个程序再matlab2012b版本上调试成功，以前在毕业设计的时候在网上找到的资料，希望对大家有用，数字水印算法实现（matlab程序包），包含有DCT水印嵌入算法，DWT水印嵌入算法，以及水印攻击和性能测试程序。参考价值极大-This program debug version then matlab2012b success in graduate design information previously found on the Internet when we want to be
Final-Coding
- hybrrid DWT and DCT based image compression
shipingshuiyinbeifen
- 该算法利用随机置乱的方法将水印信息进行置乱，对选定的视频帧先进行DWT变换，然后对得到的逼近子图进行DCT变换，最终将置乱后的水印信息嵌入到直流分量-The algorithm uses the method of random scrambling the watermark information is scrambling to be first selected video frames DWT transform, and then the resulting approximatio
IJVSPA20110404
- PERFORMANCE ANALYSIS OF HYBRID IMAGE WATERMARKING USING DCT AND DWT
embed1
- this file implements the algorithm of DWT and DCT for image watermarking in combination.
IJCSET12-03-08-032
- this paper is about the image watermarking using DWT+DCT+CDMA. it provides a good PSNR value then each technique seprately
DCT_DWT
- 利用离散余弦变换DCT和小波变换DWT实现对图片的变化域压缩并进行仿真以及性能分析-Using the discrete cosine transform DCT and wavelet transform DWT realization of the picture changes and simulated field compression and performance analysis
dwt_svd_mfile
- 在DWT-SVD的基础上进行的改进，结合了DCT的特点实现一种基于DWT-DCT-SVD的水印算法-DWT-SVD improved on the basis of the conduct, combined with the characteristics of DCT-based watermarking algorithm implementation of a DWT-DCT-SVD
tuxiang
- 四种滤波（SVD滤波，PCA滤波，DCT滤波，DWT滤波）对图像处理，有程序代码和对应图片-Four kinds of filter for image processing
watermarking
- lsb空域水印算法，dct水印算法，dwt水印算法，处理灰度水印以及彩色图像水印，同时还有字符水印嵌入音频中。分别有着三个GUI界面实现不同功能。欢迎批评指正！-lsb airspace watermarking algorithm, dct watermarking algorithm, dwt watermarking algorithm, the watermark process grayscale and color images watermarking, as well as th
ImageTrans
- 图像时频变换实例，包括FFT变换、FFT逆变换、DCT变换、DCT逆变换、DWT变换、DWT逆变换、WHT变换、WHT逆变换等。-Examples of image frequency conversion, including FFT transform, FFT transform, DCT transform, DCT transform, DWT transform, DWT transform, WHT transform, inverse transform, etc..
watermarking paper
- Thesis on Image watermarking in hybrid DCT and DWT technique
bcs-spl-1.5-1
- 实现图像分块压缩感知，实现了多种稀疏基下的压缩感知，包含CT、DCT、DDWT、DWT等(Realize the image compression sense, and realize a variety of sparse base compressed sensing, including CT, DCT, DDWT, DWT and so on)
watermarking-hybrid-DWT-DCT-SVD-master
- 一段简单有效使用的数字水印嵌入的实现，简单有效(A useful watermark program ithink)
DWT-DCT-SVD based Hybrid lossy
- a new hybrid transform coding methodology for lossy image compression that integrates discrete wavelet transform, discrete cosine Transform and singular value decomposition methods is proposed. The proposed system has enhancements in both the com