TheproposedPPNisfavorablyfeaturedbylowcomplexityandhighaccuracyofjointdetectionandpartition.Inparticular,PPNperformsdenseregressionsfromglobaljointcandidateswithinaspecificembeddingspace,whichisparameterizedbycentroidsofpersons,toefficientlygeneraterobustpersondetectionandjointpartition