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- W4294568351 abstract "We present the Neural Physics Engine (NPE), a framework for learning simulators of intuitive physics that naturally generalize across variable object count and different scene configurations. We propose a factorization of a physical scene into composable object-based representations and a neural network architecture whose compositional structure factorizes object dynamics into pairwise interactions. Like a symbolic physics engine, the NPE is endowed with generic notions of objects and their interactions; realized as a neural network, it can be trained via stochastic gradient descent to adapt to specific object properties and dynamics of different worlds. We evaluate the efficacy of our approach on simple rigid body dynamics in two-dimensional worlds. By comparing to less structured architectures, we show that the NPE's compositional representation of the structure in physical interactions improves its ability to predict movement, generalize across variable object count and different scene configurations, and infer latent properties of objects such as mass." @default.
- W4294568351 created "2022-09-04" @default.
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- W4294568351 date "2016-12-01" @default.
- W4294568351 modified "2023-10-17" @default.
- W4294568351 title "A Compositional Object-Based Approach to Learning Physical Dynamics" @default.
- W4294568351 doi "https://doi.org/10.48550/arxiv.1612.00341" @default.
- W4294568351 hasPublicationYear "2016" @default.
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