compare_faces.cpp
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright 2012 The MITRE Corporation *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*!
* \ingroup cli
* \page cli_compare_faces Compare Faces
* \ref cpp_compare_faces "Source Equivalent"
* \code
* $ br -algorithm FaceRecognition \
* -compare ../share/openbr/images/S354-01-t10_01.jpg ../share/openbr/images/S354-02-t10_01.jpg \
* -compare ../share/openbr/images/S024-01-t10_01.jpg ../share/openbr/images/S354-02-t10_01.jpg
* \endcode
*/
//! [compare_faces]
#include <openbr_plugin.h>
int main(int argc, char *argv[])
{
br::Context::initialize(argc, argv);
// Retrieve classes for enrolling and comparing templates using the FaceRecognition algorithm
QSharedPointer<br::Transform> transform = br::Transform::fromAlgorithm("FaceRecognition");
QSharedPointer<br::Distance> distance = br::Distance::fromAlgorithm("FaceRecognition");
// Initialize templates
br::Template queryA("../data/MEDS/img/S354-02-t10_01.jpg");
br::Template queryB("../data/MEDS/img/S386-04-t10_01.jpg");
br::Template target("../data/MEDS/img/S354-01-t10_01.jpg");
// Enroll templates
queryA >> *transform;
queryB >> *transform;
target >> *transform;
// Compare templates
float comparisonA = distance->compare(target, queryA);
float comparisonB = distance->compare(target, queryB);
printf("Genuine match score: %.3f\n", comparisonA); // Scores above 1 are strong matches
printf("Impostor match score: %.3f\n", comparisonB); // Scores below 0.5 are strong non-matches
br::Context::finalize();
return 0;
}
//! [compare_faces]