-
abc
数字图象处理VC++实现,里面有很多图像处理方面的算法,有参考意义。(Digital image processing in VC++)
- 2011-11-21 20:33:31下载
- 积分:1
-
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 数字水印盲水印关系嵌入量化嵌入离散余弦变换离散小波变换
按这篇文章的算法,自己编的matlab,没有攻击时水印提取率为1,加水印后图像PSNR有45+,。有攻击后提取率也有0.9+。(Blind watermark extraction can be fulfilled without referring to the original host image. Therefore it hasmuch
prospective applications in the fields of information hiding and copyright protection. Based on blocking Discrete Cosine
Transform (DCT) and blocking DiscreteWaveletTransform (DWT), the proposed blind watermarking algorithm uses an
embedding strategy of adaptively selecting either relationship embedding or quantization embedding. The relationship em-
bedding comes from the observation thatboth themagnitudes of coefficients concerned in the relationship usually have thesame change trend when the image is attacked. This strategy remarkably improves the robustness ofwatermark extraction.In addition, dithermodulation is used in quantization embedding, bywhich the tradeoff between transparency and robus-tness ofwatermarking can be easily adjusted. Simulation results show that the algorithm is fairly robust against the attacks such as noise, filtering, compression, and contrast )
- 2013-04-14 16:15:47下载
- 积分:1
-
wmlow
说明: 基于一级小波变换的将2值图像嵌入宿主图像低频子带的水印嵌入及提取算法(based on a wavelet transform the image of two images embedded host low-frequency band and the embedded watermark extraction algorithm)
- 2006-04-27 08:50:42下载
- 积分:1
-
DyBMPMovie
实现“动态”的位图动画,VC++经典编程学习源码,很好的参考资料。(The realization of "dynamic" bitmap animation, VC++ classic learning programming source code, a good reference.)
- 2013-11-25 12:37:28下载
- 积分:1
-
ImgZoom
OPENCV做图像变形的经典代码啊,适合比较初级的同学看看(OPENCV do image warping the classic code ah, suitable for elementary students to see more)
- 2009-12-02 20:06:13下载
- 积分:1
-
Edgetest_Wavelet
该程序利用小波模极大值对图像边缘进行检测并提取,效果很理想(The program using the wavelet modulus maxima of the image edge detection and extraction, the effect of very satisfactory)
- 2007-08-02 14:58:15下载
- 积分:1
-
SAR_Clutter
SAR杂波统计建模方面的源程序,不仅可以能为SAR图像去噪工作提供数据源,更是研究SAR图像分割方面的很好的工具。(SAR clutter statistical modeling of the source, not only for SAR image denoising can provide the data source, but also aspects of SAR image segmentation a good tool.)
- 2010-11-12 00:05:13下载
- 积分:1
-
Corner
该程序通过Harris角点检测算法对图像进行角点检测,效果较好,具有较高的实用价值。(The program by Harris corner detection algorithm for image corner detection, better, with high practical value.)
- 2016-01-16 18:10:44下载
- 积分:1
-
PCAEigenface
Face recognition system based on Eigenface, written in Matlab, including the paper which has present the structure and each component in detail. Hope it will be useful!
- 2008-05-14 23:05:34下载
- 积分:1
-
skincolor-segment
很好用的肤色分割模型,在YCBCR颜色空间内分割,经过开运算和闭运算,取得很好的结果(Good use of color segmentation model, YCBCR color space segmentation, after opening operation and closing operation, and achieved good results)
- 2011-08-15 15:53:09下载
- 积分:1