cmake []
For example:
cd ~/opencv
mkdir release
cd release
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
Enter the created temporary directory (
make
sudo make install
For the face recognition we used:
Copyright (c) 2011. Philipp Wagner .
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/contrib/contrib.hpp"
#include
#include
#include
using namespace cv;
using namespace std;
static Mat toGrayscale(InputArray _src) {
Mat src = _src.getMat();
if(src.channels() != 1) {
CV_Error(CV_StsBadArg, "Only Matrices with one channel are supported");
}
Mat dst;
cv::normalize(_src, dst, 0, 255, NORM_MINMAX, CV_8UC1);
return dst;
}
static void read_csv(const string& filename, vector& images, vector& labels, char separator = ';') {
std::ifstream file(filename.c_str(), ifstream::in);
if (!file) {
string error_message = "No valid input file was given, please check the given filename.";
CV_Error(CV_StsBadArg, error_message);
}
string line, path, classlabel;
while (getline(file, line)) {
stringstream liness(line);
getline(liness, path, separator);
getline(liness, classlabel);
if(!path.empty() && !classlabel.empty()) {
images.push_back(imread(path, 0));
labels.push_back(atoi(classlabel.c_str()));
}
}
}
int main(int argc, const char *argv[]) {
if (argc != 2) {
cout << "usage: " << argv[0] << " " << endl;
exit(1);
}
string fn_csv = string(argv[1]);
vector images;
vector labels;
try {
read_csv(fn_csv, images, labels);
} catch (cv::Exception& e) {
cerr << "Error opening file \"" << fn_csv << "\". Reason: " << e.msg << endl;
exit(1);
}
if(images.size() <= 1) {
string error_message = "This demo needs at least 2 images to work. Please add more images to your data set!";
CV_Error(CV_StsError, error_message);
}
int height = images[0].rows;
Mat testSample = images[images.size() - 1];
int testLabel = labels[labels.size() - 1];
images.pop_back();
labels.pop_back();
Ptr model = createEigenFaceRecognizer();
model->train(images, labels);
int predictedLabel = model->predict(testSample);
string result_message = format("Predicted class = %d / Actual class = %d.", predictedLabel, testLabel);
cout << result_message << endl;
model->set("threshold", 0.0);
predictedLabel = model->predict(testSample);
cout << "Predicted class = " << predictedLabel << endl;
Mat eigenvalues = model->getMat("eigenvalues");
Mat W = model->getMat("eigenvectors");
for (int i = 0; i < min(10, W.cols); i++) {
string msg = format("Eigenvalue #%d = %.5f", i, eigenvalues.at(i));
cout << msg << endl;
Mat ev = W.col(i).clone();
Mat grayscale = toGrayscale(ev.reshape(1, height));
Mat cgrayscale;
applyColorMap(grayscale, cgrayscale, COLORMAP_JET);
imshow(format("%d", i), cgrayscale);
}
waitKey(0);
return 0;
}
====APACHE====
The Apache HTTP Server Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows NT. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards, to install do this:
apt-get install apache2
etc/init.d/apache restart
====PHP====
PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.
Instead of lots of commands to output HTML (as seen in C or Perl), PHP pages contain HTML with embedded code that does "something". The PHP code is enclosed in special start and end processing instructions that allow you to jump into and out of "PHP mode."
Install:
apt-get install libapache2-mod-php5 php5-cli php5-common php-cgi
====MySQL====
MySQL is the world's most popular open source database. Whether you are a fast growing web property, technology ISV or large enterprise, MySQL can cost-effectively help you deliver high performance, scalable database applications.MySQL Community Edition is the freely downloadable version of the world's most popular open source database.
Install:
apt-get install mysql-client mysql-common mysql-server php5-mysql
===MySQL Database===
Open a terminal and access MySQL by typing((You should change nombre_de_usuario_de_mysql for your username and contraseña_de_mysql for your password)):
mysql -u nombre_de_usuario_de_mysql -p contraseña_de_mysql
To create a new database, type:
CREATE DATABASE database_name;
CREATE TABLE table_name(data1 not null auto_increment, data2 varchar(100), PRIMARY KEY (data1));
USE table_name;
INSERT INTO table_name (data1,data2) VALUES (value1,value2);
===MySQL in Python===
==MySQLdb==
MySQLdb is an interface for working with MySQL databases from Python. To interact with MySQL from Python through MySQLdb, you must install the module. The package name is python-mysqldb:
$ sudo apt-get install python-mysqldb
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