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tuxiangyasuo
- 基于DCT变换的图像压缩的基本原理及其实现步骤。采用DCT变换压缩的依据。图像压缩过程的最后步骤是编码量化了的图像。在此,我采用的是Huffman编码方法。并使用MATLAB7.0实现DCT图像压缩的仿真。-DCT based on the image compression
matlab
- ~~多种变换的数字水印源码DCT DWT-~ ~ A wide range of digital watermarking Transform DCT DWT source
11111111111456
- 为保证网络信息传输的安全性,提出一种视频图像加密方法。该方法引入混沌系统中的Logistic映射和 Baker映射,结合H·264视频压缩编码特点,利用Baker映射对DCT (Discrete Cosine Transform)变换量化后 的块进行位置置乱, -In order to ensure the safety of information transmission network, and a video image encryption method. This met
TCPxiaobo
- 用DCT变换和小波变换对全色光学图像和多光谱图像进行融合，生成同一图像。-Use DCT transform and wavelet transform of the panchromatic optical images and multi-spectral image fusion to generate the same image.
DCT
- 可完成二维DCT变换及量化，实现h264中变换量化部分功能-To be completed by two-dimensional DCT transform and quantization, transform h264 realize some functions to quantify
Encoder264
- H.264图像编码程序对输入像素块X的整数DCT变换和量化-H.264 encoding process the input image pixel block X integer DCT transform and quantization
DCT2
- 利用VHDL设计实现了DCT变换，在ISE仿真通过-VHDL designs and implements the use of DCT transform, in the ISE simulation through the
DCT
- 生成一个高斯水印后，对待嵌入水印的载体图像进行二维的DCT变换，然后嵌入水印-Generates a Gaussian watermark, the watermark embedded in the carrier to treat two-dimensional image of the DCT transform, and then embedding the watermark
DCT
- Visual C++实现视频编码中的DCT和反DCT变换-Visual C++ implementation of the DCT video coding and anti-DCT transform
2005-12-29_22-34-9_93
- 用ＶＨＤＬ实现dct．离散余弦变换(DCT)在图像编解码方面应用十分广泛,至今已被JPEG、MPEG1、MPEG2、MPEG4和H26x等国际标准所采用。由于其计算量较大,软件实现往往难以满足实时处理的要求,因而在很多实际应用中需要采用硬件设计的DCT处理电路来满足我们对处理速度的要求-Using VHDL implementation dct. Discrete cosine transform (DCT) in image decoding application of very exten
DCT
- 使用C语言实现DCT变换 精度不是很高-Using the C language is not very high precision DCT transform
593IDCT
- dct变换与dct逆变换，程序可以直接运行，代码中有详细注释，容易理解。-dct dct transform and inverse transform, the program can run the code in detail in notes, easy to understand.
DCT1
- 数字水印DCT变换，含有水印的嵌入与提取-Digital watermarking, DCT, contain watermark embedding and extraction
aa
- 一个实现图像傅里叶变换、DCT变换，平移、旋转、图像缩放等功能的集成软件，matlab源代码。-it a software which has many functions such as FFT,DCT,zoom in and zoom out.it s a code written with matlab
imageprocesing
- 详细的matlab图像处理，有DCT变换图像压缩，对比度增强，直方图均衡化，规定化，平滑滤波，锐化，频域滤波等-Detailed matlab image processing, image compression with DCT transform, contrast enhancement, histogram equalization, the provisions of, smoothing, sharpening, frequency domain filtering
KLDCT_Markov
- 用于现代信号分析与处理课程，作用是实现K-L变换和DCT变换。-For modern signal analysis and processing programs, the role is to achieve the KL transform and DCT.
KLDCT_img
- 用于现代信号分析与处理课程，作用是实现K-L变换和DCT变换。-For modern signal analysis and processing programs, the role is to achieve the KL transform and DCT.
YINPIN
- 利用dct变换，，以及LSB置换，将水印信息嵌入到音频信号中-use dct and lsb,make the watermark embedding the vedio
matlab实现DCt
- 用MATLAB实现DCT水印算法。信号经过DCT后，从空间域变换到频域。是一种正交变换的方法。是图像处理中应用即为广泛的傅氏变换中一种特殊的情况（被展开函数是实偶函数，再离散化，即为离散余弦变换）。 同傅氏变换一样，有正反两种变换。(DCT watermarking algorithm is implemented with MATLAB.)
DCT变换
- 实现颜色图像DCT水印嵌入和提取，以及彩色版本和非彩色版本图像的程序(Implementation of color image DCT transform)