搜索资源列表
image-compression-with-PCA
- 对400幅灰度图像用分块PCA的方法进行压缩，进行通信时只用传输主元和特征向量。其中，pcaxiefangcha.m用于图像压缩，imresume.m用于图像恢复和部分图像的显示，chaweight.m用于绘制特征值比重-主元个数关系图，crdraw.m用于绘制压缩比-主元个数关系图，psnrdraw.m用于绘制总误差PSNR-主元个数关系图，psnrlocation.m用于绘制单幅图像误差PSNR分布图。-On the 400 block with a gray image compressi
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
BlockMatchingAlgoMPEG
- Block Matching Algorithms for Motion Estimation This project contains the project report and source code by Aroh Barjatya for Digital Image Processing Class at Utah State University. Following is a short descr iption of the m files in this
wave-inter
- 小波插值（全小波插值，小波双线性插值，小波双三次插值及其改进）放大图像，提高图像的分辨率；对插值图像做质量评价（峰值信噪比PSNR；均方信噪比SNR）-Wavelet interpolation (full wavelet interpolation, wavelet bilinear interpolation, cubic interpolation and improved method) to enlarge the image and improve image resolution
BasicMotionVectorEstimation
- 运动估计块匹配算法 以下是工程中m文件的简单注释： main.m 可通过主函数调用各种基本的块匹配算法 FullSearch.m 全搜索法（又称为Exhaustive Search） ThreeStepSearch.m 三步搜索法（Three Step Search） NewTSS.m 新三步搜索法（New Three Step Search Algorithm） SESTSS.m 简便高效的三步搜索法（Simple And Efficient TSS）
Image_Compress
- 使用小波技术对图像进行压缩和解压过程，并且通过模拟信道测试计算其PSNR，通过Matlab2009a测试。-Using wavelet methods compress and decompress the image, and testing through analog channels to calculate the PSNR, by Matlab2009a test.
JPEG_compression_image.m
- 利用Matlab编程实现对lena.bmp灰度图象进行QF=50和QF=40的压缩和解压缩，比较二者的PSNR，并且利用霍夫曼编码模拟信道中传输图象。通过了Matlab2009A测试。-Using Matlab program to compress and decompress the gray image Lena.bmp at QF = 50 and QF = 40,as well as comparing the result of two situation.Then using Hu
psnr1
- 计算图像PSNR，非常高效的源码，具有一定的参考价值。-Calculated image PSNR, very efficient source, with some reference value.
WAVELET_WORK
- THIS MATLAB CODE REDUCE THE SPECKLE NOISE IN SAR IMAGE, IT USE WAVELET FILTER THEN USED CASCADE THREE FILTERS IN TIME DOMAIN (HYBRID TIME AND FREQUENCY DOMAIN). THIS CODE NEED SOME MODIFICATIONS SINCE THERE ARE SOME PROBLEMS LIKE BY COMPUTE PSNR
project-LSB.tar
- Helps to Calculate PSNR Value.
Untitled
- 对Lena图像128*128，进行QF=50和QF=40的压缩，然后解压缩，并分别计算压缩图像的PSNR，给出图像压缩后的图像-Lena image of 128* 128,QF=50 and 40 compression, then uncompress, and calculate the PSNR compressed image, after image compression
denoise_image
- 文件中包含几个用matlab编写的图像去噪程序，如邻域平均滤波‘维纳滤波法，巴特沃斯滤波法，并给出了计算PSNR值的公式。- delete the noise in the image
ImageDenoisingBasedonWaveletTransform
- 基于小波变换的图像去噪的matlab程序 程序使用说明： 1、软件应用平台：Matlab6.5或更高； 2、打开方法： 将文件所在目录设为工作目录，然后打开wavlet.fig,在noise提示框下输入噪声强度，在0-0.1之间（不能为零）。 然后点process按钮，就会显示实验结果，包括原图像，加噪图像，去噪图像的对比以及当前的psnr值。 wavlet.m是程序文件。 程序内容写在在程序的注释里。 阈值的更改没有实现可视化，在源程序中可以改。-Image d
Wavelet-Decomposition-For-Images
- main executing reference usage: observeWaveletDecompositionBenchmark_N_levels.m The objective is to illustrate wavelet decomposition, and to describe how operations may be done in the wavelet domain before the reconstruction. The demo decouples
enhanceimage
- Image enhancement mean to improve the visual quality of image. This code used to enhane the image and improve the overall PSNR of the enhanced image.
lagrange
- this program for Psnr
fr_psnr
- PSNR is used to measure the difference between two images. It is defined as PSNR = 20 * log10(b/rms) where b is the largest possible value of the signal (typically 255 or 1), and rms is the root mean square difference between two images. The PS
PSNRaNC
- 求两幅图像的峰值信噪比PSNR值和归一化相关系数NC值-Find two images PSNR PSNR values and the normalized correlation value NC
no_edges
- this code clasify the image after segmeantation and psnr and hitogram compare the output image .with gui made by pandey -this code clasify the image after segmeantation and psnr and hitogram compare the output image .with gui made by pandey ........
PSNR
- deneme illa uzun uzunmu yazmak gerek