搜索资源列表
8*8矩阵dct变换以及量化 反量化和反dct变换
- 8*8矩阵dct变换以及量化 反量化和反dct变换,8* 8 transform and quantization matrix dct quantization and anti-anti-dct transform
MATLAB
- dct变换 高通滤波 并带有原始图像 对于图像处理的初学者很实用-dct transform
DCT2D
- DCT变换的matlab源代码。适合用作特征提取的预处理方法来使用。-DCT transform matlab source code. Suitable for feature extraction preprocessing method to use.
matlab-code
- 对数字图像处理中的离散傅里叶变换(DFT),离散余弦变换(DCT)进行了详细的分析。其中DFT包括log视觉处理,中心点移动等。DCT包括分块处理,和保留较少系数,并比较结果。-Digital image processing of the discrete Fourier transform (DFT), discrete cosine transform (DCT) for a detailed analysis. DFT which include the log of visual pr
dct
- 利用DCT进行图像压缩(首先将图像分割成8×8的图像,对每个子图像进行DCT,这样每个子图像有64个系数,舍去50%小的变换系数,进行2:1的压缩。)-The use of DCT for image compression
Dct
- 主要研究了彩色图像数字水印算法,在DCT域进行了水印的自适应嵌入和提取,并用Matlab进行了仿真实验,测试算法的性能-The main color image watermarking algorithm in the DCT domain adaptive watermark embedding and extraction, and with the Matlab simulation experiment to test the performance of algorithm
watermark
- Matlab实现多种水印的嵌入与提取(DFT DCT等)-Matlab to achieve a variety of watermark embedding and extraction (DFT DCT, etc.)
Ten
- 第十章 MATLAB 图像正交变换 10.1 正交变换通用算子 10.2 傅立叶变换 10.2.1 傅立叶变换的原理 10.2.2 傅立叶性质 10.2.3 二维离散傅立叶变换( 2DDFT ) 10.2.4 快速傅立叶变换( FFT ) 10.2.5 傅立叶变换的研究与应用 10.3 离散余弦变换 10.3.1 DCT 变换矩阵 10.3.2 dct2 函数和 dctmtx 函数 10.4 Walsh- Hadamard 变换
dct
- 基于dct变换,能实现数字水印嵌入与提取-Based on the DCT transform, to achieve the digital watermark embedding and extraction
DCT
- DCT余弦变换编码,处理效果还是不错的-DCT cosine transform coding, the treatment effect is still good
DCT
- 基于DCT域的鲁棒水印,能抗击一定程度的压缩,剪切等攻击-Based on the DCT domain robust watermarking, can fight against a certain degree of compression, shear, such as attacks
DCT
- 在MATLAB里,基于dct域,实现在二维图像中嵌入数字水印 并提取。-In MATLAB, the dct-based domain, the realization of two-dimensional images in the digital watermark embedding and extraction.
dct
- 用MATLAB实现的数字水印的DCT算法,还包括本次试验的实验报告,对算法有详细的解读!-Implemented using MATLAB DCT digital watermarking algorithm, also including the test lab report, a detailed interpretation of the algorithm!
dct
- bmp DCT 压缩 对原图像进行DCT变换,数据压缩,丢弃右下角高频数据,进行DCT反变换,得到压缩后的图像-bmp DCT compression of the original image DCT transform, data compression, discarding the lower right corner frequency data, DCT inverse transform, the images are compressed
dct
- 好东东哦,希望大家来下载,是 我们本科毕业设计论文成果,基于dct域的数字水印技术
MATLAB-dct-and-idct
- 将图片进行8*8块的dct变换,以及8*8块的反变化恢复原图像-use 8*8 block dct to chang image, and use 8*8 block idct to renew image.
MATLAB DCT水印
- 在matlab平台下对DCT水印算法进行仿真实现。(In Matlab platform, the DCT watermarking algorithm is simulated.)
dct·dft
- 使用matlab对图像进行dct、dft变换(通过原理实现算法)(Using MATLAB to carry out DCT and DFT transform (through principle implementation algorithm))
MATLAB DCT水印源程序代码
- MATLAB DCT水印源程序代码 MATLAB DCT水印源程序代码(MATLAB DCT watermark source code MATLAB DCT watermark source code)
基于DCT数字水印算法的Matlab实现源代码
- 基于DCT的数字水印嵌入算法的matlab实验源代码(DCT based digital watermark embedding algorithm matlab experiment source code)