Title
MUSE-VAE: Multi-Scale VAE for Environment-Aware Long Term Trajectory Prediction
Abstract
Accurate long-term trajectory prediction in complex scenes, where multiple agents (e.g., pedestrians or vehicles) interact with each other and the environment while attempting to accomplish diverse and often unknown goals, is a challenging stochastic forecasting problem. In this work, we propose MUSEVAE, a new probabilistic modeling framework based on a cascade of Conditional VAEs, which tackles the long-term, uncertain trajectory prediction task using a coarse-to-fine multi-factor forecasting architecture. In its Macro stage, the model learns a joint pixel-space representation of two key factors, the underlying environment and the agent movements, to predict the long and short term motion goals. Conditioned on them, the Micro stage learns a fine-grained spatio-temporal representation for the prediction of individual agent trajectories. The VAE backbones across the two stages make it possible to naturally account for the joint uncertainty at both levels of granularity. As a result, MUSEVAE offers diverse and simultaneously more accurate predictions compared to the current state-of-the-art. We demonstrate these assertions through a comprehensive set of experiments on nuScenes and SDD benchmarks as well as PFSD, a new synthetic dataset, which challenges the forecasting ability of models on complex agent-environment interaction scenarios.
Year
DOI
Venue
2022
10.1109/CVPR52688.2022.00226
IEEE Conference on Computer Vision and Pattern Recognition
Keywords
DocType
Volume
Behavior analysis, Computer vision for social good
Conference
2022
Issue
Citations 
PageRank 
1
0
0.34
References 
Authors
0
6
Name
Order
Citations
PageRank
Mihee Lee100.34
Samuel S. Sohn201.01
Seonghyeon Moon302.03
Sejong Yoon4589.17
Mubbasir Kapadia554658.07
Vladimir Pavlović6748.53