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check_sum
- 计算校验和 校验和算法描述：为保证网络上传输的数据的可靠性，在许多协议中都设置了校验和项，例如：IPv4、ICMPv4、IGMPV4、ICMPv6、UDP和TCP 等等。计算这些校验和的算法称为网际校验和算法，简单来说就是：把被校验的数据１６位进行累加，然后取反码，若数据字节长度为奇数，则数据尾部补一个字节的０以凑成偶数。 由于从输入文件读入的数据不能直接满足计算校验和的条件，所以首先对从文件读入缓冲区的数据进行预处理，即读入缓冲区时忽略空格。由于累加是按16位进行的，所以每次从缓冲
050527
- 采用计算机对各种证件进行查验的关键是计算机字符识别,介绍了一个基于视觉, 集文字(包括在线签名)识别和语音输出于一体的证件和票券计算机识别系统设计,通过对证件图 像预处理、文字图像的字符区定位和字符的有效分割来提高文字识别率,实现了对各种证件和票 券的自动查验,实验结果表明,采用该系统可增加验证准确度,提高工作效率。-using computers to various identification documents, the key is the computer charact
fingerprint111
- 本文以活体指纹录入仪为指纹采集手段，以个人计算机作为处理平 台，综合运用图像处理和模式识别技术，深入、系统地研究了指纹自动 识别的理论和技术，并且详细的探讨了指纹图像预处理过程的实现，提 出了一种改进的指纹图像全局特征点的提取方法。并在此基层上完成了 指纹分类算法，提出并建立了基于全局特征的指纹识别方法-paper to live fingerprint recording instrument for fingerprint acquisition means a person
fanqiugongcheng
- 详细介绍了逆向反求工程中如何在重构前进行数据预处理-details of the reverse Reverse Engineering in remodeling before data preprocessing
bianyuanjiance
- 本源码是对图像进行拉普拉斯锐化（边缘检测），在图像预处理阶段，非常实用的边缘检测代码，更适合于初学者分析与学习-the source of images Laplacian sharpening (edge detection), the image preprocessing stage. very practical edge detection code, it is more suitable for beginners to learn and Analysis
matlab_mfiles
- 一款不错的图像预处理程序，去噪效果比较好，用matlab6.5开发的-one good image preprocessing procedures, denoising more effective use of development matlab6.5
SVMpreprocess
- 实现了文档预处理，特征选择，特征权值计算，用于SVM分类器-To achieve a document preprocessing, feature selection, feature weight calculation for the SVM classifier
Laplace-operator-filtering
- 原图像预处理，读入黑白图片并确定长和宽 拉普拉斯变换预处理，定义镜框矩阵和输出矩阵 拉普拉斯运算的三个矩阵 原图像矩阵处理，做一个“像框” 用拉普拉斯算子进行滤波 设定阈值，将图像二值化-The original image preprocessing, read black and white picture and determine the length and width of the Laplace transform pre-defined frame matrix and ou
facedetect
- （1）图像预处理：包括输入、输出、显示、缩放等，以及图像的腐蚀、膨胀，图像校正，亮度及对比度调节，光照补偿，色彩平衡等；（2)人脸检测功能，并对检测出的人脸进行标记。-(1) Image preprocessing: includes input, output, display, zoom, and image of the erosion, dilation, image correction, brightness and contrast adjustment, illumination
1
- 灰熵.txte0=[25 7 10 120] ％确定理想对象 e=[26.5 6.7 9.3 112 29.3 5.9 8.8 115 28.6 5.4 7.6 98] ％评价对象的实际值 e1=[26.5 6.7 9.3 112] ％甲 e2=[29.3 5.9 8.8 115] ％乙 e3=[28.6 5.4 7.6 98] ％丙 e=[e1 e2 e3] v0=[1 1 1 1] ％数据预处理-Gray entropy. Txte0 = [25 7 10 120]
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
- preprocessing approach
preprocessing-methods
- 一阶导数、二阶导数，矢量归一化（SNV），多元散射校正（MSC），数据中心化，直接信号校正，平滑处理六种光谱数据预处理的方法-A first derivative, second derivative, vector normalization (SNV), multiplicative scatter correction (MSC), the data center of the direct signal correction, smoothing six kinds of spectra
preprocessing
- face recognition matlab code preprocessing
ste-zcr-preprocessing
- using wave file to compute preprocessing, short term energy, zero crossing rate, signal_ste, stzcr
MH-Preprocessing
- this a source code for preprocessing of hyperspectral data so that we will get higher classification accuracy.-this is a source code for preprocessing of hyperspectral data so that we will get higher classification accuracy.
MATLAB-ECG-preprocessing
- 包含MATLAB GUI 界面设计。心电预处理多种方法，不过有些方法不太完整，整个流程都是交互式，还提供背景图，亲自采集的心电信号-It contains MATLAB GUI interface design. ECG preprocessing variety of methods, but some method is not complete, the entire process is interactive, it also provides background, personal
hyperion preprocessing
- Preprocessing EO-1 Hyperion hyperspectral data
HYPER PREPROCESS
- PREPROCESSING ALGORITHM FOR HYPERSPECTYRAL DATA
Preprocessing
- Preprocessing methods