搜索资源列表
DCT-based_Image_Digital_Watermarking
- 基于DCT域的图像数字水印技术： 摘要：数字水印技术作为数字媒体版权保护的有效办法，近年来在国内外引起了人们极大的兴趣。作者采用了DCT离散余弦变换的算法，对图像这种多媒体数字作品进行了数字水印的嵌入和检测研究。并且使用了高效实用的编程工具MATLAB来介绍了一种DCT域的图像数字水印嵌入和提取的实例，并且在最后对嵌入水印的图像进行了攻击实验，验证了该算法的鲁棒性和不可见性。
cast_dct-a.zip
- dct 2d algorithm descr iption ,dct 2d algorithm descr iption
函数实现图像DCT域信息隐藏和提取的源代码
- 可用函数实现图像DCT域信息隐藏和提取的源代码,Function can be used to achieve image DCT-domain information hiding and extraction of the source code
AudioWatermarking
- 基于听觉频率掩蔽效应的音频数字水印算法和一种基于人耳掩蔽效应的DCT域音频水印-Auditory masking effect on the frequency of the audio digital watermarking algorithm based on the human ear and a masking effect of the DCT-domain audio watermarking
lloyd_max
- dct- computes de discrete cosine transform for a matriz 8*8 from a picture.It receaves the point of the block where begin calculate, the tam of the block and the original picture... lLoyd-max- computes de lLoyd-max optimum quantizer for N bits.
ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
DC-SA-DCT2
- 校正任意形状DCT变换的矩阵不归一化，PSNR提高，基本是最佳校正方法-Calibration of arbitrary shape DCT transform matrix is not normalized, PSNR improve, the basic is the best correction method
FreeDCT-L
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
dctslow
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
dct
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
dct-thesis
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
dct2
- Project 2D DCT core - specifications and codes-Project 2D DCT core- specifications and codes
SOFTWAREjpeg2
- jpeg 2D DCT transformation project
ArisImageRoutines_source
- A good resource for 2D FFT and DCT
DCT
- DCT数字图像水印算法的源代码！含有图像的水印的嵌入和水印的提取！-DCT digital image watermarking algorithm source code! Containing the watermark image watermark embedding and extraction!
dct
- a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it -a dct code i tried.. the image compression using dct divides the image into various blocks n the performs the dct code on it
dct
- 这是一个基于DCT的数字水印技术的研究，有详细的程序和代码-DCT watermarking
THE FAST COMPUTATION OF DCT IN JPEG ALGORITHM
- THE FAST COMPUTATION OF DCT IN JPEG ALGORITHM
DCT
- 数字图像处理，DCT变换编码，图像压缩，遮罩矩阵(DCT transform coding, image compression)
基于LSB算法与DCT算法的比较与实现
- 基于LSB算法与DCT算法的比较与实现，对比前后图片的变化(Comparison and implementation of LSB algorithm and DCT algorithm)