Lídia Matos, Irene Morgado, Luís Santos, Rui Camisa, Paulo Benvindo, Paulo Pereira
A targeted survey on teachers' perception of training/education for blood donation in high school students: An invited case report for enhancing and retention of dedicated donors in Portugal
Transfusion and apheresis science : official journal of the World Apheresis Association : official journal of the European Society for Haemapheresis
complex scenarios including miss detections occlusions false detections trajectory terminations make data association challenging paper propose online trackingbydetection method track multiple targets unified handling aforementioned complex scenarios current detection responses linked previous trajectories introduce dummy node trajectory allow temporally disappear trajectory fails find matching detection linked corresponding dummy node emergence matching detection source nodes also incorporated account entrance new targets standard hungarian algorithm extended dummy nodes exploited solve online data association implicitly global manner although formulated two consecutive frames moreover dummy nodes tend accumulate fake disappeared trajectory occasionally appear real trajectory deal false detections trajectory terminations simply checking number consecutive dummy nodes approach works single uncalibrated camera requires neither scene prior knowledge explicit occlusion reasoning running 132 framess pets09s2l1 benchmark sequence experimental results validate effectiveness dummy nodes complex scenarios show proposed approach robust false detections miss detections quantitative comparisons methods five benchmark sequences demonstrate achieve comparable results existing offline methods better results online algorithms