OpenCV_4.2.0/opencv-4.2.0/apps/interactive-calibration/parametersController.cpp

144 lines
5.4 KiB
C++

// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#include "parametersController.hpp"
#include <iostream>
template <typename T>
static bool readFromNode(cv::FileNode node, T& value)
{
if(!node.isNone()) {
node >> value;
return true;
}
else
return false;
}
static bool checkAssertion(bool value, const std::string& msg)
{
if(!value)
std::cerr << "Error: " << msg << std::endl;
return value;
}
bool calib::parametersController::loadFromFile(const std::string &inputFileName)
{
cv::FileStorage reader;
reader.open(inputFileName, cv::FileStorage::READ);
if(!reader.isOpened()) {
std::cerr << "Warning: Unable to open " << inputFileName <<
" Applicatioin stated with default advanced parameters" << std::endl;
return true;
}
readFromNode(reader["charuco_dict"], mCapParams.charucoDictName);
readFromNode(reader["charuco_square_lenght"], mCapParams.charucoSquareLenght);
readFromNode(reader["charuco_marker_size"], mCapParams.charucoMarkerSize);
readFromNode(reader["camera_resolution"], mCapParams.cameraResolution);
readFromNode(reader["calibration_step"], mCapParams.calibrationStep);
readFromNode(reader["max_frames_num"], mCapParams.maxFramesNum);
readFromNode(reader["min_frames_num"], mCapParams.minFramesNum);
readFromNode(reader["solver_eps"], mInternalParameters.solverEps);
readFromNode(reader["solver_max_iters"], mInternalParameters.solverMaxIters);
readFromNode(reader["fast_solver"], mInternalParameters.fastSolving);
readFromNode(reader["frame_filter_conv_param"], mInternalParameters.filterAlpha);
bool retValue =
checkAssertion(mCapParams.charucoDictName >= 0, "Dict name must be >= 0") &&
checkAssertion(mCapParams.charucoMarkerSize > 0, "Marker size must be positive") &&
checkAssertion(mCapParams.charucoSquareLenght > 0, "Square size must be positive") &&
checkAssertion(mCapParams.minFramesNum > 1, "Minimal number of frames for calibration < 1") &&
checkAssertion(mCapParams.calibrationStep > 0, "Calibration step must be positive") &&
checkAssertion(mCapParams.maxFramesNum > mCapParams.minFramesNum, "maxFramesNum < minFramesNum") &&
checkAssertion(mInternalParameters.solverEps > 0, "Solver precision must be positive") &&
checkAssertion(mInternalParameters.solverMaxIters > 0, "Max solver iterations number must be positive") &&
checkAssertion(mInternalParameters.filterAlpha >=0 && mInternalParameters.filterAlpha <=1 ,
"Frame filter convolution parameter must be in [0,1] interval") &&
checkAssertion(mCapParams.cameraResolution.width > 0 && mCapParams.cameraResolution.height > 0,
"Wrong camera resolution values");
reader.release();
return retValue;
}
calib::parametersController::parametersController()
{
}
calib::captureParameters calib::parametersController::getCaptureParameters() const
{
return mCapParams;
}
calib::internalParameters calib::parametersController::getInternalParameters() const
{
return mInternalParameters;
}
bool calib::parametersController::loadFromParser(cv::CommandLineParser &parser)
{
mCapParams.flipVertical = parser.get<bool>("flip");
mCapParams.captureDelay = parser.get<float>("d");
mCapParams.squareSize = parser.get<float>("sz");
mCapParams.templDst = parser.get<float>("dst");
if(!checkAssertion(mCapParams.squareSize > 0, "Distance between corners or circles must be positive"))
return false;
if(!checkAssertion(mCapParams.templDst > 0, "Distance between parts of dual template must be positive"))
return false;
if (parser.has("v")) {
mCapParams.source = File;
mCapParams.videoFileName = parser.get<std::string>("v");
}
else {
mCapParams.source = Camera;
mCapParams.camID = parser.get<int>("ci");
}
std::string templateType = parser.get<std::string>("t");
if(templateType.find("circles", 0) == 0) {
mCapParams.board = AcirclesGrid;
mCapParams.boardSize = cv::Size(4, 11);
}
else if(templateType.find("chessboard", 0) == 0) {
mCapParams.board = Chessboard;
mCapParams.boardSize = cv::Size(7, 7);
}
else if(templateType.find("dualcircles", 0) == 0) {
mCapParams.board = DoubleAcirclesGrid;
mCapParams.boardSize = cv::Size(4, 11);
}
else if(templateType.find("charuco", 0) == 0) {
mCapParams.board = chAruco;
mCapParams.boardSize = cv::Size(6, 8);
mCapParams.charucoDictName = 0;
mCapParams.charucoSquareLenght = 200;
mCapParams.charucoMarkerSize = 100;
}
else {
std::cerr << "Wrong template name\n";
return false;
}
if(parser.has("w") && parser.has("h")) {
mCapParams.boardSize = cv::Size(parser.get<int>("w"), parser.get<int>("h"));
if(!checkAssertion(mCapParams.boardSize.width > 0 || mCapParams.boardSize.height > 0,
"Board size must be positive"))
return false;
}
if(!checkAssertion(parser.get<std::string>("of").find(".xml") > 0,
"Wrong output file name: correct format is [name].xml"))
return false;
loadFromFile(parser.get<std::string>("pf"));
return true;
}