نتایج جستجو برای: occluded p
تعداد نتایج: 1277687 فیلتر نتایج به سال:
Abstract Can our video understanding systems perceive objects when a heavy occlusion exists in scene? To answer this question, we collect large-scale dataset called OVIS for occluded instance segmentation, that is, to simultaneously detect, segment, and track instances scenes. consists of 296k high-quality masks from 25 semantic categories, where object occlusions usually occur. While human vis...
Let us consider a spatial position p of the frame we wish to predict Xt+1. The original baseline sets X̂t+1(p) by bilinearly interpolating the values of Xt surrounding spatial position p+d, where d = Ft→t−1(p). The issue is that one should be using the flow vector d′ = Ft+1→t(p) instead, which we cannot access since we are trying to predict Xt+1. The displacements d and d′ are in general not equ...
Despite being considered an important anatomical parameter directly related to neuronal density, cortical thickness is not routinely assessed in studies of the human brain in vivo. This paucity has been largely due to the size and convoluted shape of the human cortex, which has made it difficult to develop automated algorithms that can measure cortical thickness efficiently and reliably. Since ...
BACKGROUND Balloon angioplasty (PTCA) of occluded coronary arteries is limited by high rates of restenosis and reocclusion. Although stenting improves results in anatomically simple occlusions, its effect on patency and clinical outcome in a broadly selected population with occluded coronary arteries is unknown. METHODS AND RESULTS Eighteen centers randomized 410 patients with nonacute native...
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