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openalpr-base/src/openalpr/config.cpp

333 lines
12 KiB
C++

/*
* Copyright (c) 2015 New Designs Unlimited, LLC
* Opensource Automated License Plate Recognition [http://www.openalpr.com]
*
* This file is part of OpenAlpr.
*
* OpenAlpr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License
* version 3 as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
using namespace std;
namespace alpr
{
Config::Config(const std::string country, const std::string config_file, const std::string runtime_dir)
{
string debug_message = "";
this->loaded = false;
string configFile;
char* envConfigFile;
envConfigFile = getenv (ENV_VARIABLE_CONFIG_FILE);
if (config_file.compare("") != 0)
{
// User has supplied a config file. Use that.
configFile = config_file;
debug_message = "Config file location provided via API";
}
else if (envConfigFile != NULL)
{
// Environment variable is non-empty. Use that.
configFile = envConfigFile;
debug_message = "Config file location provided via environment variable: " + string(ENV_VARIABLE_CONFIG_FILE);
}
else if (DirectoryExists(getExeDir().c_str()) && fileExists((getExeDir() + CONFIG_FILE).c_str()))
{
configFile = getExeDir() + CONFIG_FILE;
debug_message = "Config file location provided via exe location";
}
else
{
// Use the default
configFile = DEFAULT_CONFIG_FILE;
debug_message = "Config file location provided via default location";
}
//string configFile = (this->runtimeBaseDir + CONFIG_FILE);
if (fileExists(configFile.c_str()) == false)
{
std::cerr << "--(!) Config file '" << configFile << "' does not exist!" << endl;
std::cerr << "--(!) You can specify the configuration file location via the command line " << endl;
std::cerr << "--(!) or by setting the environment variable '" << ENV_VARIABLE_CONFIG_FILE << "'" << endl;
return;
}
else if (DirectoryExists(configFile.c_str()))
{
std::cerr << "--(!) Config file '" << configFile << "' was specified as a directory, rather than a file!" << endl;
std::cerr << "--(!) Please specify the full path to the 'openalpr.conf file'" << endl;
std::cerr << "--(!) e.g., /etc/openalpr/openalpr.conf" << endl;
return;
}
this->country = country;
loadCommonValues(configFile);
if (runtime_dir.compare("") != 0)
{
// User provided a runtime directory directly into the library. Use this.
this->runtimeBaseDir = runtime_dir;
}
if ((DirectoryExists(this->runtimeBaseDir.c_str()) == false) &&
(DirectoryExists((getExeDir() + RUNTIME_DIR).c_str())))
{
// Runtime dir in the config is invalid and there is a runtime dir in the same dir as the exe.
this->runtimeBaseDir = getExeDir() + RUNTIME_DIR;
}
if (DirectoryExists(this->runtimeBaseDir.c_str()) == false)
{
std::cerr << "--(!) Runtime directory '" << this->runtimeBaseDir << "' does not exist!" << endl;
std::cerr << "--(!) Please update the OpenALPR config file: '" << configFile << "'" << endl;
std::cerr << "--(!) to point to the correct location of your runtime_dir" << endl;
return;
}
std::string country_config_file = this->runtimeBaseDir + "/config/" + country + ".conf";
if (fileExists(country_config_file.c_str()) == false)
{
std::cerr << "--(!) Country config file '" << country_config_file << "' does not exist. Missing config for the country: '" << country<< "'!" << endl;
return;
}
loadCountryValues(country_config_file, country);
if (fileExists((this->runtimeBaseDir + "/ocr/tessdata/" + this->ocrLanguage + ".traineddata").c_str()) == false)
{
std::cerr << "--(!) Runtime directory '" << this->runtimeBaseDir << "' is invalid. Missing OCR data for the country: '" << country<< "'!" << endl;
return;
}
if (this->debugGeneral)
{
std::cout << debug_message << endl;
}
this->loaded = true;
}
Config::~Config()
{
}
void Config::loadCommonValues(string configFile)
{
CSimpleIniA iniObj;
iniObj.LoadFile(configFile.c_str());
CSimpleIniA* ini = &iniObj;
runtimeBaseDir = getString(ini, "", "runtime_dir", "/usr/share/openalpr/runtime_data");
std::string detectorString = getString(ini, "", "detector", "lbpcpu");
std::transform(detectorString.begin(), detectorString.end(), detectorString.begin(), ::tolower);
if (detectorString.compare("lbpcpu") == 0)
detector = DETECTOR_LBP_CPU;
else if (detectorString.compare("lbpgpu") == 0)
detector = DETECTOR_LBP_GPU;
else if (detectorString.compare("morphcpu") == 0)
detector = DETECTOR_MORPH_CPU;
else
{
std::cerr << "Invalid detector specified: " << detectorString << ". Using default" << std::endl;
detector = DETECTOR_LBP_CPU;
}
detection_iteration_increase = getFloat(ini, "", "detection_iteration_increase", 1.1);
detectionStrictness = getInt(ini, "", "detection_strictness", 3);
maxPlateWidthPercent = getFloat(ini, "", "max_plate_width_percent", 100);
maxPlateHeightPercent = getFloat(ini, "", "max_plate_height_percent", 100);
maxDetectionInputWidth = getInt(ini, "", "max_detection_input_width", 1280);
maxDetectionInputHeight = getInt(ini, "", "max_detection_input_height", 768);
skipDetection = getBoolean(ini, "", "skip_detection", false);
prewarp = getString(ini, "", "prewarp", "");
maxPlateAngleDegrees = getInt(ini, "", "max_plate_angle_degrees", 15);
ocrImagePercent = getFloat(ini, "", "ocr_img_size_percent", 100);
stateIdImagePercent = getFloat(ini, "", "state_id_img_size_percent", 100);
ocrMinFontSize = getInt(ini, "", "ocr_min_font_point", 100);
postProcessMinConfidence = getFloat(ini, "", "postprocess_min_confidence", 100);
postProcessConfidenceSkipLevel = getFloat(ini, "", "postprocess_confidence_skip_level", 100);
postProcessMaxSubstitutions = getInt(ini, "", "postprocess_max_substitutions", 100);
postProcessMinCharacters = getInt(ini, "", "postprocess_min_characters", 100);
postProcessMaxCharacters = getInt(ini, "", "postprocess_max_characters", 100);
debugGeneral = getBoolean(ini, "", "debug_general", false);
debugTiming = getBoolean(ini, "", "debug_timing", false);
debugPrewarp = getBoolean(ini, "", "debug_prewarp", false);
debugDetector = getBoolean(ini, "", "debug_detector", false);
debugStateId = getBoolean(ini, "", "debug_state_id", false);
debugPlateLines = getBoolean(ini, "", "debug_plate_lines", false);
debugPlateCorners = getBoolean(ini, "", "debug_plate_corners", false);
debugCharSegmenter = getBoolean(ini, "", "debug_char_segment", false);
debugCharAnalysis = getBoolean(ini, "", "debug_char_analysis", false);
debugColorFiler = getBoolean(ini, "", "debug_color_filter", false);
debugOcr = getBoolean(ini, "", "debug_ocr", false);
debugPostProcess = getBoolean(ini, "", "debug_postprocess", false);
debugShowImages = getBoolean(ini, "", "debug_show_images", false);
debugPauseOnFrame = getBoolean(ini, "", "debug_pause_on_frame", false);
}
void Config::loadCountryValues(string configFile, string country)
{
CSimpleIniA iniObj;
iniObj.LoadFile(configFile.c_str());
CSimpleIniA* ini = &iniObj;
minPlateSizeWidthPx = getInt(ini, "", "min_plate_size_width_px", 100);
minPlateSizeHeightPx = getInt(ini, "", "min_plate_size_height_px", 100);
multiline = getBoolean(ini, "", "multiline", false);
plateWidthMM = getFloat(ini, "", "plate_width_mm", 100);
plateHeightMM = getFloat(ini, "", "plate_height_mm", 100);
charHeightMM = getFloat(ini, "", "char_height_mm", 100);
charWidthMM = getFloat(ini, "", "char_width_mm", 100);
charWhitespaceTopMM = getFloat(ini, "", "char_whitespace_top_mm", 100);
charWhitespaceBotMM = getFloat(ini, "", "char_whitespace_bot_mm", 100);
templateWidthPx = getInt(ini, "", "template_max_width_px", 100);
templateHeightPx = getInt(ini, "", "template_max_height_px", 100);
charAnalysisMinPercent = getFloat(ini, "", "char_analysis_min_pct", 0);
charAnalysisHeightRange = getFloat(ini, "", "char_analysis_height_range", 0);
charAnalysisHeightStepSize = getFloat(ini, "", "char_analysis_height_step_size", 0);
charAnalysisNumSteps = getInt(ini, "", "char_analysis_height_num_steps", 0);
segmentationMinBoxWidthPx = getInt(ini, "", "segmentation_min_box_width_px", 0);
segmentationMinCharHeightPercent = getFloat(ini, "", "segmentation_min_charheight_percent", 0);
segmentationMaxCharWidthvsAverage = getFloat(ini, "", "segmentation_max_segment_width_percent_vs_average", 0);
plateLinesSensitivityVertical = getFloat(ini, "", "plateline_sensitivity_vertical", 0);
plateLinesSensitivityHorizontal = getFloat(ini, "", "plateline_sensitivity_horizontal", 0);
ocrLanguage = getString(ini, "", "ocr_language", "none");
ocrImageWidthPx = round(((float) templateWidthPx) * ocrImagePercent);
ocrImageHeightPx = round(((float)templateHeightPx) * ocrImagePercent);
stateIdImageWidthPx = round(((float)templateWidthPx) * stateIdImagePercent);
stateIdimageHeightPx = round(((float)templateHeightPx) * stateIdImagePercent);
}
void Config::debugOff()
{
debugGeneral = false;
debugTiming = false;
debugStateId = false;
debugPlateLines = false;
debugPlateCorners = false;
debugCharSegmenter = false;
debugCharAnalysis = false;
debugColorFiler = false;
debugOcr = false;
debugPostProcess = false;
debugPauseOnFrame = false;
}
string Config::getCascadeRuntimeDir()
{
return this->runtimeBaseDir + CASCADE_DIR;
}
string Config::getKeypointsRuntimeDir()
{
return this->runtimeBaseDir + KEYPOINTS_DIR;
}
string Config::getPostProcessRuntimeDir()
{
return this->runtimeBaseDir + POSTPROCESS_DIR;
}
string Config::getTessdataPrefix()
{
return this->runtimeBaseDir + "/ocr/";
}
float Config::getFloat(CSimpleIniA* ini, string section, string key, float defaultValue)
{
const char * pszValue = ini->GetValue(section.c_str(), key.c_str(), NULL /*default*/);
if (pszValue == NULL)
{
if (this->debugGeneral)
std::cout << "Warning: missing configuration entry for: " << section << "->" << key << endl;
return defaultValue;
}
float val = atof(pszValue);
return val;
}
int Config::getInt(CSimpleIniA* ini, string section, string key, int defaultValue)
{
const char * pszValue = ini->GetValue(section.c_str(), key.c_str(), NULL /*default*/);
if (pszValue == NULL)
{
if (this->debugGeneral)
std::cout << "Warning: missing configuration entry for: " << section << "->" << key << endl;
return defaultValue;
}
int val = atoi(pszValue);
return val;
}
bool Config::getBoolean(CSimpleIniA* ini, string section, string key, bool defaultValue)
{
const char * pszValue = ini->GetValue(section.c_str(), key.c_str(), NULL /*default*/);
if (pszValue == NULL)
{
if (this->debugGeneral)
std::cout << "Warning: missing configuration entry for: " << section << "->" << key << endl;
return defaultValue;
}
int val = atoi(pszValue);
return val != 0;
}
string Config::getString(CSimpleIniA* ini, string section, string key, string defaultValue)
{
const char * pszValue = ini->GetValue(section.c_str(), key.c_str(), NULL /*default*/);
if (pszValue == NULL)
{
if (this->debugGeneral)
std::cout << "Warning: missing configuration entry for: " << section << "->" << key << endl;
return defaultValue;
}
string val = string(pszValue);
return val;
}
}