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SPIHT(Matlab).zip
- % Matlab implementation of SPIHT (without Arithmatic coding stage) % % By Jing Tian, scuteejtian@hotmail.com fprintf('----------- Welcome to SPIHT Matlab Demo! ----------------\n'); fprintf('----------- Load
ImageCompressed.rar
- 利用霍夫曼编码算法对数字图像进行压缩及解压缩处理，解压出来的图像与源图像几乎完全一致，峰值信噪比为无穷大,The use of Huffman coding algorithm for digital image compression and decompression processing, extracting images from the source image is almost exactly the same infinite PSNR
bsc
- 对JPEG2000压缩编码后的码流文件用matlab进行RS信道编码，再BSC信道仿真，RS解码，计算PSNR- with JPEG2000 code stream file， using matlab to simulated the RS channel coding, and then BSC channel simulation, RS decoding, calculation of PSNR
psnr
- matlab program for finding PSNR
contourlet-CP-RLC
- 基于contourlet的图像压缩编码，其中包括计算PSNR值，压缩比和运行时间-Contourlet-based image compression coding, including the calculation of PSNR values, compression ratio and run-time
dp22
- calculate MSE and PSNR
psnr
- 彩色图像psnr值计算，图像压缩编码后的峰值信噪比-Color image psnr values, image compression encoded PSNR
RLE
- 基于小波的图像压缩方法——游程编码，其中包括计算PSNR值，压缩比和运行时间。-Wavelet-based image compression method- RLE, including the calculation of PSNR value, the compression ratio and running time.
DCTJPEG
- blkproc.m,DCHuffmanEncoding.m,ACHuffmanEncoding.m,zigzag.m,PSNR.m, 对灰度图像进行DCT变换,量化,ZigZag扫描,Huffman编解码,反量化,反DCT变换而重建图像。 其中，blkproc.m为分块DCT变换函数； DCHuffmanEncoding.m，ACHuffmanEncoding.m分别为DC和AC变换系数的Huffman码表函数； zigzag.m为ZigZag扫描函数；PSNR.m为求图
dct
- DCT- discrete cosine transform. compression ratio and psnr value are calculated-DCT- discrete cosine transform. compression ratio and psnr value are calculated
Various-type-of-image-compressionss
- I have thoroughly study the basic of image compression techniques. From that I have selected SPIHT algorithm for my research work. I have implemented on image compression for gray images using SPIHT algorithm. Image compression is implemented using t
图像的多描述34级量化编解码程序
- 图像的多描述34级量化编解码程序，包含原图像以及PSNR程序-34 multiple descr iption image codec quantization process, including the original image and the PSNR program
1
- matlab求图像峰值信噪比psnr值 可以使用-matlab for image PSNR psnr values can be used
V1I7-0028
- Performance analysis of steganography is done for selecting better wavelet for application by analyzing Peak Signal Noise Ratio(PSNR) of different wavelet families like Haar, Daubechies, Biorthogonal, Reverse Biorthogonal & Meyer wavelet(dmey) on res
yuvTools
- YUV工具大集合，针对视频编码中测试序列常见的YUV视频进行处理。包括：将yuv420序列转换成avi文件；求两个序列之间,每个宏块之间的差异sad；视频序列psnr对比分析工具；YUV视频播放器；YUV各种格式的转换；YUV视频剪切等。-YUV large collection of tools, processing for video encoding test sequences common YUV video. Comprising: yuv420 sequence into avi
SP
- 基于压缩感知，图像压缩重构算法，SP算法，matlab源码，psnr-Based on Compressed Sensing, image reconstruction algorithm compression, SP algorithm, matlab source, psnr
JPEG_Codec
- This a JPEG codec with AC/DC Huffman entropy coding, 4:2:0 Sampling, RGB/YCbCr converter. 2D-DCT and Quantization is included in the JPEG_Main. There also a Huffman table list in .txt, two sample testing picture and the bitrate-PSNR , Compressi
clear
- 实现图像压缩，得到峰值信噪比，更好的完成图像压缩。-Image compression, PSNR get better image compression is completed.