/*M/////////////////////////////////////////////////////////////////////////////////////// // // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. // // By downloading, copying, installing or using the software you agree to this license. // If you do not agree to this license, do not download, install, // copy or use the software. // // // License Agreement // For Open Source Computer Vision Library // // Copyright (C) 2015, Itseez Inc, all rights reserved. // Third party copyrights are property of their respective owners. // // Redistribution and use in source and binary forms, with or without modification, // are permitted provided that the following conditions are met: // // * Redistribution's of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // * Redistribution's in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // * The name of the copyright holders may not be used to endorse or promote products // derived from this software without specific prior written permission. // // This software is provided by the copyright holders and contributors "as is" and // any express or implied warranties, including, but not limited to, the implied // warranties of merchantability and fitness for a particular purpose are disclaimed. // In no event shall the Itseez Inc or contributors be liable for any direct, // indirect, incidental, special, exemplary, or consequential damages // (including, but not limited to, procurement of substitute goods or services; // loss of use, data, or profits; or business interruption) however caused // and on any theory of liability, whether in contract, strict liability, // or tort (including negligence or otherwise) arising in any way out of // the use of this software, even if advised of the possibility of such damage. // //M*/ #include "opencv2/datasets/or_pascal.hpp" #include "opencv2/datasets/util.hpp" #include "tinyxml2/tinyxml2.h" #include <fstream> namespace cv { namespace datasets { using namespace std; using namespace tinyxml2; class OR_pascalImp : public OR_pascal { public: OR_pascalImp() {} virtual void load(const string &path); private: void loadDataset(const string &path, const string &nameImageSet, vector< Ptr<Object> > &imageSet); Ptr<Object> parseAnnotation(const string &path, const string &id); const char* parseNodeText(XMLElement* node, const string &nodeName, const string &defaultValue); }; void OR_pascalImp::load(const string &path) { train.push_back(vector< Ptr<Object> >()); test.push_back(vector< Ptr<Object> >()); validation.push_back(vector< Ptr<Object> >()); loadDataset(path, "train", train.back()); loadDataset(path, "test", test.back()); loadDataset(path, "val", validation.back()); } void OR_pascalImp::loadDataset(const string &path, const string &nameImageSet, vector< Ptr<Object> > &imageSet) { string pathImageSets(path + "ImageSets/Main/"); string imageList = pathImageSets + nameImageSet + ".txt"; ifstream in(imageList.c_str()); string error_message = format("Image list not exists!\n%s", imageList.c_str()); if (!in.is_open()) CV_Error(Error::StsBadArg, error_message); string id = ""; while( getline(in, id) ) { if( strcmp(nameImageSet.c_str(), "test") == 0 ) // test set ground truth is not available { Ptr<OR_pascalObj> annotation(new OR_pascalObj); annotation->filename = path + "JPEGImages/" + id + ".jpg"; imageSet.push_back(annotation); } else { imageSet.push_back(parseAnnotation(path, id)); } } } const char* OR_pascalImp::parseNodeText(XMLElement* node, const string &nodeName, const string &defaultValue) { XMLElement* child = node->FirstChildElement(nodeName.c_str()); if ( child == 0 ) return defaultValue.c_str(); const char* e = child->GetText(); if( e == 0 ) return defaultValue.c_str(); return e ; } Ptr<Object> OR_pascalImp::parseAnnotation(const string &path, const string &id) { string pathAnnotations(path + "Annotations/"); string pathImages(path + "JPEGImages/"); Ptr<OR_pascalObj> annotation(new OR_pascalObj); XMLDocument doc; string xml_file = pathAnnotations + id + ".xml"; XMLError error_code = doc.LoadFile(xml_file.c_str()); string error_message = format("Parsing XML failed. Error code = %d. \nFile = %s", error_code, xml_file.c_str()); switch (error_code) { case XML_SUCCESS: break; case XML_ERROR_FILE_NOT_FOUND: error_message = "XML file not found! " + error_message; CV_Error(Error::StsParseError, error_message); return annotation; default: CV_Error(Error::StsParseError, error_message); break; } // <annotation/> XMLElement *xml_ann = doc.RootElement(); // <filename/> string img_name = xml_ann->FirstChildElement("filename")->GetText(); annotation->filename = pathImages + img_name; // <size/> XMLElement *sz = xml_ann->FirstChildElement("size"); int width = atoi(sz->FirstChildElement("width")->GetText()); int height = atoi(sz->FirstChildElement("height")->GetText()); int depth = atoi(sz->FirstChildElement("depth")->GetText()); annotation->width = width; annotation->height = height; annotation->depth = depth; // <object/> vector<PascalObj> objects; XMLElement *xml_obj = xml_ann->FirstChildElement("object"); while (xml_obj) { PascalObj pascal_obj; pascal_obj.name = xml_obj->FirstChildElement("name")->GetText(); pascal_obj.pose = parseNodeText(xml_obj, "pose", "Unspecified"); pascal_obj.truncated = atoi(parseNodeText(xml_obj, "truncated", "0")) > 0; pascal_obj.difficult = atoi(parseNodeText(xml_obj, "difficult", "0")) > 0; pascal_obj.occluded = atoi(parseNodeText(xml_obj, "occluded", "0")) > 0; // <bndbox/> XMLElement *xml_bndbox = xml_obj->FirstChildElement("bndbox"); pascal_obj.xmin = atoi(xml_bndbox->FirstChildElement("xmin")->GetText()); pascal_obj.ymin = atoi(xml_bndbox->FirstChildElement("ymin")->GetText()); pascal_obj.xmax = atoi(xml_bndbox->FirstChildElement("xmax")->GetText()); pascal_obj.ymax = atoi(xml_bndbox->FirstChildElement("ymax")->GetText()); // <part/> vector<PascalPart> parts; XMLElement *xml_part = xml_obj->FirstChildElement("part"); while (xml_part) { PascalPart pascal_part; pascal_part.name = xml_part->FirstChildElement("name")->GetText(); xml_bndbox = xml_part->FirstChildElement("bndbox"); pascal_part.xmin = atoi(xml_bndbox->FirstChildElement("xmin")->GetText()); pascal_part.ymin = atoi(xml_bndbox->FirstChildElement("ymin")->GetText()); pascal_part.xmax = atoi(xml_bndbox->FirstChildElement("xmax")->GetText()); pascal_part.ymax = atoi(xml_bndbox->FirstChildElement("ymax")->GetText()); parts.push_back(pascal_part); xml_part = xml_part->NextSiblingElement("part"); } pascal_obj.parts = parts; objects.push_back(pascal_obj); xml_obj = xml_obj->NextSiblingElement("object"); } annotation->objects = objects; return annotation; } Ptr<OR_pascal> OR_pascal::create() { return Ptr<OR_pascalImp>(new OR_pascalImp); } } }