[图形图像处理] LSB
信息隐藏，实现了最低有效位的隐写替换，并计算峰值信噪比和对比提取信息后的误码率
Information hiding implements the steganography substitution of the least significant bit, and calculates the peak signal-to-noise ratio and the BER after extracting the information by contrast. (2018-10-30, matlab, 880KB, 下载2次)
[图形图像处理] CCA
最完整的CCA典型相关分析程序，分析两幅图像，相似度，匹配，融合都可以使用，分析天气变量也可以使用。
The most complete CCA canonical correlation analysis program, analysis of two images, similarity, matching, fusion can be used, analysis of weather variables can also be used. (2017-09-28, matlab, 18KB, 下载25次)
[图形图像处理] 4441
毕业设计有用，中介真值程度度量，基于中介真值程度度量的图像分割包括压缩比、运行时间和计算复原图像的峰值信噪比。
Graduation useful The true extent of the value of the intermediary measure, measure the true extent of the agency based on the value of image segmentation Including compression ratio, image restoration computing uptime and peak signal to noise ratio. (2017-05-04, matlab, 7KB, 下载1次)
[图形图像处理] fanfiu
包括最后计算压缩图像的峰值信噪比和压缩效果的源码,使用matlab实现智能预测控制算法，主同步信号PSS在时域上的相关仿真。
Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Use matlab intelligent predictive control algorithm, PSS primary synchronization signal in the time domain simulation related. (2017-01-04, matlab, 7KB, 下载1次)
[图形图像处理] funfen
包括最后计算压缩图像的峰值信噪比和压缩效果的源码,实现了对10个数字音的识别程序一个计算声子晶体结构的一维传递矩阵法。
Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Realization of 10 digital audio recognition program A one-dimensional transfer matrix method to calculate the phonon crystal structure. (2016-11-10, matlab, 5KB, 下载1次)
[图形图像处理] nengpan
已经调试成功.内含m文件，可直接运行，包含收发两个客户端的链路级通信程序,包括压缩比、运行时间和计算复原图像的峰值信噪比。
Has been successful debugging. M contains files can be directly run, Contains two clients receive link-level communications program, Including compression ratio, image restoration computing uptime and peak signal to noise ratio. (2016-09-10, matlab, 4KB, 下载1次)
[图形图像处理] tunkou
包括压缩比、运行时间和计算复原图像的峰值信噪比,分析了该信号的时域、频域、倒谱，循环谱等,部分实现了追踪测速迭代松弛算法。
Including compression ratio, image restoration computing uptime and peak signal to noise ratio, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Partially achieved tracking speed iterative relaxation algorithm. (2016-05-17, matlab, 9KB, 下载2次)
[图形图像处理] Untitled2
1、将图像Chrysanthemum按质量等级分别为10、30、50、70、90存储成jpg文件，并分别命名为Chrysanthemum_010.jpg、Chrysanthemum_030.jpg、…… 、Chrysanthemum_090.jpg。
2、观察并说明jpg文件质量的变化情况。
3、计算压缩比，并画出压缩比随质量等级变化的曲线。
4、读取文件：Chrysanthemum_010.jpg、Chrysanthemum_030.jpg、…… 、Chrysanthemum_090.jpg。
5、计算峰值信噪比并画出峰值信噪比随质量等级变化的曲线。
1, the image by respectively according to the quality grade 10, 30, 50, 70, 90 stored as JPG file, and respectively named Chrysanthemum_010. JPG, Chrysanthemum_030. JPG,... , Chrysanthemum_090. JPG.
2, observe and explain the change of quality JPG files.
3, calculate the compression ratio, and draw the curve of the compression ratio change with quality grade.
4, read the file: Chrysanthemum_010. JPG, Chrysanthemum_030. JPG,... , Chrysanthemum_090. JPG.
5, calculate the peak signal-to-noise ratio and draw the curve of the peak signal-to-noise ratio change with quality grades. (2015-04-19, matlab, 1KB, 下载1次)
[图形图像处理] curvelet--zhezhongyuzhi
曲线波变换用于图像去噪可以很好的解决物体沿曲线边缘的特性，本算法采用硬软折中阈值对图像进行去噪，里面包含侧视图像和峰值信噪比
Curvelet transform for image denoising can solve problems well along the curve edge features, the algorithm uses the hard and soft compromise threshold for image denoising, which contains the side view image and peak signal to noise ratio (2014-06-15, matlab, 1612KB, 下载4次)
[图形图像处理] algorithm-of-caricature-portrait
该算法从研究漫画家的作画风格入手，总结了
肖像漫画特定的夸张规律，所生成的漫画风格人脸肖像效果较好，能够应用于非真实感图形学和数字娱乐等领域
The algorithm of the cartoonist' s drawing style from the start, summed up the exaggerated caricature specific rules, the resulting comic style face portrait better, can be applied to non-photorealistic graphics and digital entertainment and other fields (2013-09-11, matlab, 363KB, 下载25次)
[图形图像处理] 77880
数字图像处理是指将图像信号转换成数字格式并利用计算机对其进行处理的过程。图像增强是数字图像处理的过程中经常采用的一种方法，它对提高图像质量起着重要的作用。本文先对图像增强的原理进行概述，然后对图像增强的方法分类并给出直方图增强、对比度增强、平滑和锐化等几种常用的增强方法的理论基础，通过Matlab实验得出的实际处理效果来对比各种算法的优缺点，讨论不同的增强算法的技术要点，并对其图像增强方法进行性能评价。
Digital image processing means converts the image signal into a digital form and processed by computer process them. Image enhancement is the process of digital image processing, a method often used, it is to improve the image quality plays an important role. This article first for an overview of the principles of image enhancement, and image enhancement methods for classification and gives the histogram enhancement, contrast enhancement, smoothing and sharpening enhancement of several commonly used methods of theoretical foundation, through Matlab experimental results of actual processing results to compare the advantages and disadvantages of various algorithms, discuss different techniques enhancement algorithm, and its performance evaluation image enhancement methods. (2013-07-04, matlab, 867KB, 下载10次)
[图形图像处理] TI_wavelet_denoising_GUI
基于平移不变量小波去噪的GUI程序，平移不变量小波去噪是阀值去噪的进一步改进，去除了信吉布斯现象
Translation invariant wavelet denoising based GUI program is translation invariant wavelet denoising threshold denoising further improvement, in addition to the letter Gibbs phenomenon (2013-06-12, matlab, 414KB, 下载62次)
[图形图像处理] canny
Canny边缘检测是一种基于最优化算法的边缘检测算子，具有检测精度高和信噪比良好等优点。本代码完整实现了Canny算子，并利用canny算法对输入图像进行边缘检测，输出边缘图像。
Canny operator is an edge detection operator based on the optimized method. This code implemented Canny operator, and output the edge image. (2013-03-31, matlab, 1KB, 下载11次)
[图形图像处理] ENOB
用以计算模拟数字转换器采集到的数据的有效比特位数。方法是通过计算信噪比来折换有效比特位数。
The effective number of bits used to calculate the analog to digital converter collected data. The method is by calculating the signal to noise ratio to redeem a valid bits. (2012-08-08, matlab, 98KB, 下载16次)
[图形图像处理] noise
1. 用 butterworth和理想低通滤波器对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比).
2. 用 3x3邻域平均平滑和3x3中值滤波对受椒盐噪声和高斯噪声污染的图像进行平滑处理, 计算平滑前后的PSNR(峰值信噪比).
3. 用 roberts算子和Laplace算子对一图像进行锐化处理, 得到其边缘二值图像.
Salt and pepper noise and Gaussian noise images with butterworth and the ideal low-pass filter for smoothing, calculating smooth before and after the PSNR (peak signal to noise ratio).
(2) 3x3 neighborhood average in smoothing and 3x3 median filter images by the salt and pepper noise and Gaussian noise smoothing, computing smooth around the PSNR (peak signal to noise ratio).
Roberts operator and Laplace operator on an image sharpening, get the edge binary image. (2012-05-12, matlab, 20KB, 下载30次)
[图形图像处理] NLmeans-and-lpfilter
数字图像处理中的图像去噪部分，用低通去噪和non-local means两种方法，其中用non-local means，可把信噪比提高10dB左右。
Digital image processing, image denoising part of the low-pass de-noising and non-local means are two ways in which non-local means to signal to noise ratio increased by about 10dB. (2012-05-02, matlab, 2KB, 下载39次)
[图形图像处理] DOA_MVDRaCBF
圆阵常规波束形成与MVDR用于方位估计的比较，可以更改信噪比仿真两者的区别联系
uniform circle array based for estimating direct of arrival,CBF and MVDR compared with adjustable SNR (2012-02-16, matlab, 22791KB, 下载76次)
[图形图像处理] code
计算图像的均方信噪比，均值梯度，均方误差以及直方图统计信息等，对图像作出评价
Calculate the mean square signal to noise ratio images, the mean gradient, mean square error and histogram information, to evaluate the image (2010-11-04, matlab, 1KB, 下载51次)
[图形图像处理] pso
对不同噪声强度的加噪图像，用粒子群优化算法优化结构元素，找到最优结构元素，对图像进行去噪操作，使恢复的图像达到最大峰值信噪比
Noise intensity for different images with noise, using particle swarm optimization algorithm to optimize the structure elements, find the optimal structure element, the image de-noising operation to restore the image to a peak signal to noise ratio (2010-04-13, matlab, 127KB, 下载157次)
[图形图像处理] ObjectiveFidelityCriteria
本实验要求编写一个计算压缩-解压缩图像的均方根误差、均方信噪比的程序。该程序是一个通用程序。编写程序产生图示的结果。使用上面的保真度准则程序计算可视信息的损失特性。
Prepared in this experiment, a calculation of compression- decompression of the root-mean-square error of image, mean square signal to noise ratio of the procedure. The procedure is a common procedure. Picture shows the preparation of the results of procedures. The use of the above criteria for the fidelity of calculated loss characteristics of visual information. (2009-06-02, matlab, 93KB, 下载93次)