A Critical View of Vision-Based Long-Term Dynamics Prediction Under Environment Misalignment

• URL: http://arxiv.org/abs/2305.07648v2
• Date: Tue, 13 Jun 2023 19:36:17 GMT
• Title: A Critical View of Vision-Based Long-Term Dynamics Prediction Under Environment Misalignment
• Authors: Hanchen Xie, Jiageng Zhu, Mahyar Khayatkhoei, Jiazhi Li, Mohamed E. Hussein, Wael AbdAlmageed
• Abstract summary: Region Proposal Convolutional Interaction Network (RPCIN), a vision-based model, was proposed and achieved state-of-the-art performance in long-term prediction. We investigate two challenging conditions for environment misalignment: Cross-Domain and Cross-Context. We propose a promising direction to mitigate the Cross-Domain challenge and provide concrete evidence supporting such a direction.
• Score: 11.098106893018302
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Dynamics prediction, which is the problem of predicting future states of scene objects based on current and prior states, is drawing increasing attention as an instance of learning physics. To solve this problem, Region Proposal Convolutional Interaction Network (RPCIN), a vision-based model, was proposed and achieved state-of-the-art performance in long-term prediction. RPCIN only takes raw images and simple object descriptions, such as the bounding box and segmentation mask of each object, as input. However, despite its success, the model's capability can be compromised under conditions of environment misalignment. In this paper, we investigate two challenging conditions for environment misalignment: Cross-Domain and Cross-Context by proposing four datasets that are designed for these challenges: SimB-Border, SimB-Split, BlenB-Border, and BlenB-Split. The datasets cover two domains and two contexts. Using RPCIN as a probe, experiments conducted on the combinations of the proposed datasets reveal potential weaknesses of the vision-based long-term dynamics prediction model. Furthermore, we propose a promising direction to mitigate the Cross-Domain challenge and provide concrete evidence supporting such a direction, which provides dramatic alleviation of the challenge on the proposed datasets.

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