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Finding Fallen Objects Via Asynchronous Audio-Visual Integration
Conference proceeding

Finding Fallen Objects Via Asynchronous Audio-Visual Integration

Chuang Gan, Yi Gu, Siyuan Zhou, Jeremy Schwartz, Seth Alter, James Traer, Dan Gutfreund, Joshua B Tenenbaum, Josh H McDermott and Antonio Torralba
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Conference Proceedings
01/01/2022
DOI: 10.1109/CVPR52688.2022.01027

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Abstract

Conference Title: 2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) Conference Start Date: 2022, June 18 Conference End Date: 2022, June 24 Conference Location: New Orleans, LA, USAThe way an object looks and sounds provide complementary reflections of its physical properties. In many settings cues from vision and audition arrive asynchronously but must be integrated, as when we hear an object dropped on the floor and then must find it. In this paper, we introduce a setting in which to study multi-modal object localization in 3D virtual environments. An object is dropped somewhere in a room. An embodied robot agent, equipped with camera and microphone, must determine what object has been dropped - and where - by combining audio and visual signals with knowledge of the underlying physics. To study this problem, we have generated a large-scale dataset - the Fallen Objects dataset - that includes 8000 instances of 30 physical object categories in 64 rooms. The dataset uses the ThreeDWorld Platform that can simulate physics-based impact sounds and complex physical interactions between objects in a photorealistic setting. As a first step toward addressing this challenge, we develop a set of embodied agent baselines, based on imitation learning, reinforcement learning, and modular planning, and perform an in-depth analysis of the challenge of this new task. This dataset is publicly available11Project page: http://fallen-object.csail.mit.edu.
Acoustics Computer vision Datasets Learning Pattern recognition Physical properties Virtual environments Visual signals

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