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12-19-3Image-Compression
- 利用DCT变换和哈德曼编码实现对彩色位图的压缩，并可求得图像压缩前后的差值。-Use DCT transform and Hardman Coding compression of color bitmap, and the difference obtained before and after image compression.
Watermarking_althorithm_based_on_DCT(MATLAB)
- 基于DCT变换的水印图像水印算法源代码（matlab实现）。将文件解压缩到MATLAB安装目录下的work文件夹中，然后打开aaa.m文件，运行即可。-Based on the DCT Transform Watermarking Image Watermarking Algorithm source code (matlab achieve). Extract the file to the MATLAB installation directory under the work folder
dct
- 用DCT变换对图像进行压缩，并计算了MSE-DCT
Final_28Nov
- 2D-DCT 压缩图像后，通过QPSK,AWGN信道编码传输后，IDCT解压缩回原始图像，适用于任何图像-Using DCT to compress the orginal image, I use zigzag program, quantization, dct compression, then change the vector to bineary bit to pass through the QPSK channel. And from the binary array, I us
im2jpeg
- 图像的JPEG压缩,8*8的小块DCT,在进行哈弗曼编码-image jpeg compressed
Wavelet_OMP_dct
- 根据压缩感知理论编写匹配追踪算法OMP程序，实现对图像的分解与重构，稀疏基为DCT基。-According to the theory of compressed perception OMP matching pursuit algorithm procedures, implementation of image decomposition and reconstruction of sparse matrix for DCT.
DCT
- 数字信号处理，对图像进行DCT，可选择压缩率，matlab实现DCT-DCT by matlab