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- 摘要:为了提高图像复原算法的性能 ,提出了一种改进的奇异值分解法估计图像的点扩散函数。从图像的退化离散模型 出发 ,对图像进行逐层分块奇异值分解 ,并自动选取奇异值重组阶数以减少噪声对估计的影响。利用理想图像奇异值向 量平均能谱指数模型 ,估计点扩散函数奇异值向量的频谱 ,再反傅里叶变换得到其时域结果。实验结果表明 ,该方法能 在不同信噪比情况下估计成像系统的点扩散函数 ,估计结果比原有估计方法有所提高 ,有望为图像复原算法的预处理提 供一种有效的手段。-Abstract : T
finger
- 指纹预处理程序，MATLAB编的，可以运行-Fingerprint preprocessing procedure, MATLAB series, you can run
2021101311382007915161310494649
- matlab处理指纹图像，由于指纹的唯一性、可靠性和稳定性，指纹已成为身份识别和鉴定的一个重 要标志，并被公认为“物证之首”。指纹识别作为一种生物识别技术，历来受到人们的广泛关注和重视，是未来个人身份认证的重要组成部分。-Fingerprint image processing matlab，Because the uniqueness of fingerprints, reliability and stability,fingerprint identification has beco
pre_processing
- preprocessing of ECG signal for wave detection
AnisotropiqueSmoothing
- source code for light normalisation presented by Ralph Gross in this paper @inproceedings{RGross_AVBPA_2003, author = "Ralph Gross and Vladimir Brajovic", title = "An Image Preprocessing Algorithm for Illumination Invariant Face Recognition",
preprocessing
- fingerprint reprocessing stage
preprocessing
- preprocessing approach
MATLAB
- PreProcessing of ECG signal : 50 Hz frq. filter, Base line wounder correction and ploting of graphs.
preprocessing
- it contain basic pre-processing algorithm including gaussian, binarization.
dctcode
- The system has been developed to implement data cleaning techniques .If the data in the data bases are incomplete, noisy and inconsistent and we wish to analyze data by data mining techniques, then we have to preprocess the data by using preprocessin
Sample1
- 语音识别预处理函数，简单的算法，用于对语音预处理的了解。matlab代码-Speech recognition preprocessing function, a simple algorithm for preprocessing of speech understanding. matlab code
fprec_release30
- 指纹识别的源码，对指纹图像进行预处理，特征提取和比对，看是否匹配-Fingerprint the source of the fingerprint image preprocessing, feature extraction and matching to see if it matches
getminu
- 关于指纹识别的一些利用matlab进行图像预处理的源程序-Some of the use of fingerprint matlab source code for image preprocessing
b
- 心电信号的实时数字预处理，关于工频与高频干扰的消除-ECG real-time digital preprocessing, frequency and high frequency interference on the Elimination of
97288388MIT-ECG
- 心电信号预处理 滤波 去噪 QRs波检测 P波，T波检测-Preprocessing of ECG wave detection filter denoising QRs P wave, T wave detection
wien
- 维纳滤波程序，一种信号处理程序，可用于数据预处理-Wiener filtering process, a signal processing procedure can be used for data preprocessing
fingerprint
- This code is a complete fingerprint core point detection. It uses orientation field for singular point detection and Zhang-suen algo. for thinning in preprocessing part
locationP_QRS_T
- 基于小波变换的心电信号预处理 和PQRST波特征提取-PQRST wave of ECG preprocessing and feature extraction
kinds-of-codes-of-image-preprocess
- 程序中包含了各种图像预处理的算法，去噪，边缘检测，分割等等，对于图像处理的初学者和科研人员都要很大的实用性-Program includes a variety of image preprocessing algorithms, noise reduction, edge detection, segmentation, etc., for the image processing for beginners and researchers have great practical
preprocessing methods for spectra in matlab
- preprocessing methods for spectra in matlab