搜索资源列表
image
- 实现了2D的图像处理，关于图像的各种方式的DCT变换，以及反变换。-The realization of the 2D image processing, a variety of ways on the image of the DCT transform, and inverse transform.
matlab
- 基于MATLAB的数字水印技术研究 关键词：数字水印 Matlab Visual C++6.0 DWT DCT -MATLAB-based digital watermarking technology research Keywords: digital watermarking Matlab Visual C++6.0 DWT DCT
xapp610
- Verilog code for 2D-DCT with detailed documentation.
DCT
- 快速ＤＣＴ变换的代码.利用c++实现DCT变换.-Fast DCT transform code. Use c++ to achieve DCT transform.
A_DCT_based_embedded_image_coder
- 基于DCT的嵌入式图像编码，是DCT图像编码的经典文章，由EZW算法启发而发表的此文章。-DCT-based embedded image coding, DCT image coding is a classic article, inspired by the EZW algorithm published this article.
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
DCT4_org
- This will take the DCT of an image Coefficient matrix calculated first and after multiplied with image matrix 4X4.very efficient code.-This will take the DCT of an image Coefficient matrix calculated first and after multiplied with image matrix 4X4.
dctusingtransformcoding
- Transform coding used insted of DCT because it is more efficient due to no need to calculate cosine values more efficient then DCT in 4X4 matrix.-Transform coding used insted of DCT because it is more efficient due to no need to calculate cosine val
CBmpP
- 实现了对bmp图像的量化，反量化，DCT变换，FDCT变换.可以调整参数，查看量化对图像影响，对图像处理课来说不失为一个好project.-This program implements the quantization, DCT, FDCT transform.
DCT
- 原始影像離散餘弦轉換處理程式，含ForwardDCT與InverseDCT兩種方法。-Discrete cosine converting the original image processing program, including ForwardDCT with InverseDCT two ways.
DCT
- 这是用于本科生信息论与编码课程 余弦DCT程序 有两种方法实现-THIS PROGRAMME IS DCT BY MATLAB
DCTvideowatermark
- DCT based video watermarking using pseudo random factor
blind_alg
- This is partial code for the paper "An Effective Blind Watermark Algorithm Based on DCT"-This is partial code for the paper "An Effective Blind Watermark Algorithm Based on DCT"
080707
- 通过dct变换，来实现信息隐藏，把需要隐藏的图片嵌入到一副图片中。工具vc-Through dct transform, to achieve information hiding, the need to hide the picture embedded in a picture. Tools vc
lena
- 快速dct 变换，实现信息隐藏的有一个实例。从图片隐藏，到把隐藏的图片读出的，完整实现-Dct rapid transformation, the realization of information hiding are a case in point. Hidden from the picture, to the hidden picture to read out, a complete realization of
dct
- JPEG压缩算法的核心是“视觉保真”原理，利用人类视觉系统特征进行处理，以达到最大图像数据压缩效果，实际上就是去除那些人眼不易觉察的信息。图像的空间频率对人的视觉至关重要，采用离散余弦变换可将图像分解成一组波，每个波有一个不同的空间频率，这样可以去除人类眼睛觉察不到的信息，而且还可使系统只保留重要的信息。-JPEG compression algorithm is the core of " visual fidelity" principle, the use of the
dct
- 用DCT变换对图像进行压缩，并计算了MSE-DCT
pic393
- 频域法加入数字水印的原理是首先将原始信号（语音一维信号、图像二维信号）变换到频域，常用的变换一般有DWT、DCT、DFT、WP和分形。然后，对加入了水印信息的信号进行频域反变换（IDWT、IDCT、DFT、WP），得到含有水印信息的信号。-Frequency-domain digital watermarking method by adding the principle is that first of all, the original signal (voice signal of on
watermark
- watermarking algorithm base on dct
code
- 实现对于数字图像进行加入水印和水印提取的操作，基于的是DCT域的变换方法。-The realization of the digital images by adding watermarks and watermark extraction operation, the DCT-based transform domain.