Human-Aware Object Placement for Visual Environment Reconstruction
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Date
2022
Publication Type
Conference Paper
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yes
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Abstract
Humans are in constant contact with the world as they move through it and interact with it. This contact is a vital source of information for understanding 3D humans, 3D scenes, and the interactions between them. In fact, we demonstrate that these human-scene interactions (HSIs) can be leveraged to improve the 3D reconstruction of a scene from a monocular RGB video. Our key idea is that, as a person moves through a scene and interacts with it, we accumulate HSIs across multiple input images, and use these in optimizing the 3D scene to reconstruct a consistent, physically plausible, 3D scene layout. Our optimization-based approach exploits three types of HSI constraints: (1) humans who move in a scene are occluded by, or occlude, objects, thus constraining the depth ordering of the objects, (2) humans move throughfree space and do not interpenetrate objects, (3) when humans and objects are in contact, the contact surfaces occupy the same place in space. Using these constraints in an optimization formulation across all observations, we significantly improve 3D scene layout reconstruction. Furthermore, we show that our scene reconstruction can be used to refine the initial 3D human pose and shape (HPS) estimation. We evaluate the 3D scene layout reconstruction and HPS estimates qualitatively and quantitatively using the PROX and PiGraphs datasets. The code and data are available for research purposes at https://mover.is.tue.mpg.de.
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published
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Book title
2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
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Pages / Article No.
3949 - 3960
Publisher
IEEE
Event
2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2022)
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Software
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Subject
3D from single images; Pose estimation and tracking; Scene analysis and understanding
Organisational unit
09686 - Tang, Siyu / Tang, Siyu