Sergey Kosov Kimiaki Shirahama Marcin Grzegorzek Labeling of partially occluded regions via the multi-layer CRF. 2551-2569 2019 78 Multim. Tools Appl. 2 https://doi.org/10.1007/s11042-018-6298-5 https://www.wikidata.org/entity/Q129491882 db/journals/mta/mta78.html#KosovSG19