Track and segment occluded objects in video with occlusions-4d
Track and segment occluded objects in video with occlusions-4d
Revealing Occlusions with 4D Neural Fields
arXiv paper abstract https://arxiv.org/abs/2204.10916v1
arXiv PDF paper https://arxiv.org/pdf/2204.10916v1.pdf
Project page https://occlusions.cs.columbia.edu
... computer vision systems ... need to be able to represent and reason about object permanence.
... introduce a framework for learning to estimate 4D visual representations from monocular RGB-D, which is able to persist objects, even once they become obstructed by occlusions.
Unlike traditional video representations, ... encode point clouds into a continuous representation, which permits the model to attend across the spatiotemporal context to resolve occlusions.
... experiments show that the representation is able to successfully reveal occlusions for several tasks, without any architectural changes.
... attention mechanism automatically learns to follow occluded objects.
... approach can be trained end-to-end and is easily adaptable, ...
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