搜索资源列表
dct变换
- 实现离散余弦(TCD)变换-achieve discrete cosine (TCD) Transform
H264-DCT-Quanter
- H.264编码中变换和量化中的DCT变换
数字水印DCT变换水印提取
- 用DCT方法进行水印提取
基于自适应DCT系数的视频水印
- 这是一个有关于视频水印的程序，包含yuv格式的读入，提取出每一帧图像，然后对每一帧图像做8*8块DCT变换，然后在中低频修改DCT系数然后恢复图像，重构成yuv格式的视频播放。
基于dct离散余弦变换的matlab音频水印
- 基于dct离散余弦变换的matlab音频水印添加源代码。
JPEGcompression.rar
- 1．首先通过DCT变换去除数据冗余； 2．使用量化表对DCT系数进行量化； 3．对量化后的系数进行Huffman编码。 具体源程序由主程序及两个子程序（DCT量化、Huffman编码）组成： ,1. First of all, through the DCT transform to remove data redundancy 2. The use of quantization table of quantization DCT coefficients 3. Of quanti
DCT.rar
- 实现对二维图象,进行DCT变换和IDCT变换,The realization of two-dimensional image, the DCT transform and IDCT transform
tuxiangbianhuan.rar
- 图像变换 将图象分块(8*8)，作DCT变换，并作IDCT：DCT是一种可分离图象变换，用来图象压缩编码，IDCT用来解压缩,Image transform to image sub-block (8* 8), for the DCT transform, and IDCT: DCT is a separable transform image to image compression coding, IDCT used to extract
Loeffler_dct.rar
- JPEG dct快速算法，实现8X8到4X4，以及8X8到2X2等DCT变换，快速实现降采样。,JPEG dct fast algorithm 8X8 to 4X4, and 8X8 to 2X2, such as DCT transform, rapid down-sampling.
DCT.rar
- 利用matlab的DCT2函数，对图像做变换并压缩。并用8*8对图像分块，对每一块计算均方值作为阈值。,DCT2 use the matlab function, and transform the image so compressed. And 8* 8 image block, a calculation of each mean square value as a threshold.
JPEG.rar
- 图像JPEG压缩算法，由8*8DCT变换，调用量化表进行量化，最后由Huffman编码完成算法,JPEG image compression algorithm, the 8* 8DCT transform, quantization table calls to quantify, and finally completed by the Huffman coding algorithm
RGB_DCT.rar
- 对RGB颜色空间的彩色图像进行DCT变换，其中可保留任意的变换系数，且可根据需求改变量化步长,RGB color space for color image DCT transform, which may retain any of transform coefficients, and can be quantified in accordance with step changes in demand
piccompress.rar
- 图像压缩编码，dct变换，量化， Z字形扫描 行程编码,Image compression, dct transform, quantization, Z-shaped scan length encoding
dct.rar
- 离散余弦变换的设计源代码以及测试源代码和仿真图,Design of discrete cosine transform source code and test source code and simulation plan
butterfly.rar
- 蝶形运算，可用于DCT变换，FFT变换的模块,Butterfly computation, can be used for DCT transform, FFT transform module
DCT
- 实现对一幅灰度和彩色图像作的离散余弦变换,选择适当的DCT系数阈值对其进行DCT反变换.-The realization of a piece of gray and color images for the discrete cosine transform, select the appropriate thresholds for DCT coefficients of its inverse transform DCT.
a
- 用MATLAB编写的DCT变换程序，包括快速DCT变换，内含测试文件lena256.img-DCT transform program using MatlaB
dct
- DCT变换和DCT反变换大全，提供多种DCT算法的实现，可用于图像和声音处理。-DCT and IDCT package, supplies lots of DCT and IDCT algorithm, very useful to image and audio processing
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
19854796watermarking
- 武汉大学信息隐藏实验实现源代码 各种隐藏算法dct变换，小波变换，MD5算法等-Wuhan University Experimental realization of information hiding all kinds of hidden algorithm source code dct transform, wavelet transform, MD5 algorithm