TY - CPAPER AU - Lachezar Lichev TI - A NEW PHOTOGRAMMETRIC TOOL FOR THE AUTOMATIC DETECTION AND SEGMENTATION OF CIRCULAR OBJECTS IN LOW-QUALITY IMAGES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, INFORMATICS, GEOINFORMATICS AND REMOTE SENSING PY - 2015 DO - 10.5593/sgem2015/b21/s7.001 PB - Stef92 Technology ER -