搜索资源列表
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--info-hiding.rar
- 函数用于DCT的信息隐藏,在变换域嵌入隐藏的信息,Function for the DCT information hidden in the transform domain embedded hidden information
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
work.rar
- 常用图像压缩编码码matlab实现。包括：DM编码、变换编码（FFT和DCT）、算术编码、行程编码、Huffman编码、线性预测编码和一个近似的JPEG编码过程。非常适合入门用户实践。,Commonly used image compression coding matlab code to achieve. Including: DM coding, transform coding (FFT and DCT), arithmetic coding, Run-Length Coding, Hu
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.
dctdwt.rar
- matlab 数字水印，dct变换，嵌入水印，简单易懂，方便学习,dct matlab
DCT_2D.rar
- 二维DCT，FPGA实现JPEG压缩中的二维DCT,dct
DWT_DCT_SVD.rar
- this is matlab code for the paper solved on the DWT SVD and DCT ,this is matlab code for the paper solved on the DWT SVD and DCT
workingjpeg.zip
- JPEG DCT based baseline method which divides the image into 8x8 blocks and quantize anthen entropy coded.,JPEG DCT based baseline method which divides the image into 8x8 blocks and quantize anthen entropy coded.
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.
project2.rar
- 数字图像处理的实验 DCT IDCT变换 灰度变换 锐化等等,Digital image processing experiments DCT IDCT transform gray-scale transformation sharpening, etc.
DCT
- 将一幅图像先进行分成8X8块，然后对每个8X8块进行DCT变化，最后将变换后的图片进行分层，重新显示-Will an image to 8 X8 into pieces, then to every 8 X8 block DCT change, finally will transform the images after the layered, displayed again
klt-dct.rar
- klt经典程序，可以在matlab里面直接运行,KLT classical procedures, can be run directly in matlab
Watermark_zs.rar
- 用c语言实现一种基于DCT系数均值的盲水印算法,C language implementation with a mean value based on the DCT coefficient of the Blind Watermarking 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
DCT
- 先用小波变换进行降维后，再用DCT进行特征提取，然后用SVM分类识别，SVM需先安用libsvm工具箱，然后再可以运行，该程序包含ROL人脸库，一并上传。-First reduce the dimension of the wavelet transform, the then DCT feature extraction, and then use SVM classification, SVM must be safe to use libsvm toolbox, and then you
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