搜索资源列表
vcBMP
- 用Visual C++编写的小波表换，小波除噪程序，可以显示信噪比，我的本科毕业设计，吐血推荐-prepared using Visual C table for the wavelet, wavelet denoising procedures can demonstrate SNR, I graduated from the undergraduate Design, hematemesis Suggest
OFDM-bpsk
- 有关于OFDM系统的在AWGN信道下(BPSK调制)的信噪比分析.-on OFDM system in AWGN channel (BPSK modulation) signal-to-noise ratio analysis.
biterrorrate_channel
- 4个不同信道环境下误码率的分析，基于信噪比SNR的，通信方面-four different channel bit error rate environment analysis, based on the SNR, communications
psnr2
- 这是一个测试图像峰值信噪比的程序源代码，纯C环境下的-This is a test image PSNR the source code, pure environment of the C
vad_fq_snr
- vad（语音活动检测）的matlab代码，采用频域的方法计算信噪比。-vad (voice activity detection) Matlab code, using frequency-domain approach to calculate the signal-to-noise ratio.
estimate_function
- 几个关于图像质量评价的函数。包括psnr峰值信噪比，均方误差rms，正则均方误差nmse等。可用于去噪图像和压缩图像的质量评价-several image quality evaluation of the function. Including psnr PSNR, mean square error rms, it is mean-square error nmse other. Images can be used for de-noising and compression of ima
rs.bm
- 一个用c编的RS编码的程序，采用BERLEKAMP-MASSEY S 算法，输入m,以及信噪比，可得到生成多项式和误码率等。-with a series of RS coding procedures, using BERLEKAMP - MASSEY S algorithm input m, and the signal-to-noise ratio. available generating polynomial and the error rate.
lvboqishejicanshu
- 滤波器阶数固定时,代价函数和信噪比之间的关系 信噪比固定时,代价函数和滤波器长度之间的关系-order filter fixed, cost function and the relationship between the signal-to-noise ratio signal-to-noise ratio fixed, Filters cost function and the relationship between length
enhance1
- 加权中值滤波，用于图像增强，只用于超声图像，对超声图像去噪有很好的效果。内还包括信噪比计算方法。-weighted median filter for image enhancement, only for ultrasound images of ultrasound image denoising with very good results. Which is also a signal-to-noise ratio calculation.
LCMV
- 本程序是用于天线阵列波束波束形成的 LCMV算法，算法给出了误码率曲线，可以看出LCMV算法在高信噪比时误码率很小。 -this procedure is used for beam antenna array beam forming the Virus algorithm, the algorithm is given BER curves, Virus algorithm can be seen in the high signal-to-noise ratio at the bit
gridreciprial
- 梯度倒系数实现背景抑制,提高小目标检测的信噪比-reversing Coefficients gradient background suppression, and enhance the signal-to-noise ratio target detection
tsinghua_shanhao06_jingdianpuguji
- 本程序是经典谱估计方法的程序，仿照＜数字信号处理＞胡广书．包含了书中后面三章的所有方法．另外还有ＦＩＲ，ＩＩＲ数字滤波器的去噪方法，ＳＶＤ特征值去噪，信噪比的计算等等．是一经典的程序组．希望和所有人共享-this procedure is classic method of spectral estimation procedures, modeled on the "Digital Signal Processing" Mr Kwong book. The book con
psnr_absolutepath
- 计算图像峰值信噪比psnr的matlab源程序,相对路径转绝对路径的matlab程序-computing image PSNR psnr the Matlab source, relative to the absolute path of Matlab procedures
kuanfiltering
- 用kuan滤波器(kuan filter)，实现图像去噪处理，提高图像的信噪比。-with kuan filter (kuan filter), the image denoising, improve image quality.
PDEbasedImageFiltering
- 用PDE实现图像滤波PDE based Image Filtering，提高图像的信噪比。-with PDE image filtering PDE based Image Filtering, improve image quality.
ShockFilters
- 用shock滤波器实现图像滤波shock Filtering，提高图像的信噪比。-with shock filter image filtering shock Filtering, improve image quality.
SVDdenoise
- 用SVD算法实现图像滤波去噪处理，提高图像的信噪比。-SVD algorithm using image processing filter to improve image quality.
彩色图像的篡改检测及自恢复算法
- 彩色图像的篡改检测及自恢复算法赵春晖，孙建军，朱海峰(哈尔滨工程大学信息与通信工程学院，黑龙江哈尔滨150001)摘要：数字水印是图像认证的有效手段之一．利用小波变换提出一种计算简单的彩色图像水印算法，将一个图像的主要内容嵌入该图像自身之中，用均值量化的方法在亮度信号中嵌入水印，实现篡改检测和定位篡改区域；用多余的色度空间嵌入亮度信号和色度信号，用于恢复被篡改的图像内容．该算法可以获取较高的峰值信噪比，具有很好的鲁棒性．实验结果表明，该算法对删除、替换等恶意图像篡改具有良好的检测、定位和自修复能
wsnrvalue
- 这是一个实现图象加权信噪比算法，他能实现图象失真程度的衡量-This is a weighted signal-to-noise ratio images algorithm, he is able to achieve levels of image distortion measure
simsnr
- 在COFDM传输过程中白噪声的影响。信噪比从0～20db，BER的变化。调制方式：BPSK/QPSK/16PSK-COFDM transmission in the course of white noise impact. Signal-to-noise ratio from 0 ~ 20db, BER changes. Modulation : BPSK/QPSK/16PSK