OFMPNet: Deep End-to-End Model for Occupancy and Flow Prediction in Urban Environment

• URL: http://arxiv.org/abs/2404.02263v1
• Date: Tue, 2 Apr 2024 19:37:58 GMT
• Title: OFMPNet: Deep End-to-End Model for Occupancy and Flow Prediction in Urban Environment
• Authors: Youshaa Murhij, Dmitry Yudin,
• Abstract summary: We introduce an end-to-end neural network methodology designed to predict the future behaviors of all dynamic objects in the environment. We propose a novel time-weighted motion flow loss, whose application has shown a substantial decrease in end-point error.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The task of motion prediction is pivotal for autonomous driving systems, providing crucial data to choose a vehicle behavior strategy within its surroundings. Existing motion prediction techniques primarily focus on predicting the future trajectory of each agent in the scene individually, utilizing its past trajectory data. In this paper, we introduce an end-to-end neural network methodology designed to predict the future behaviors of all dynamic objects in the environment. This approach leverages the occupancy map and the scene's motion flow. We are investigatin various alternatives for constructing a deep encoder-decoder model called OFMPNet. This model uses a sequence of bird's-eye-view road images, occupancy grid, and prior motion flow as input data. The encoder of the model can incorporate transformer, attention-based, or convolutional units. The decoder considers the use of both convolutional modules and recurrent blocks. Additionally, we propose a novel time-weighted motion flow loss, whose application has shown a substantial decrease in end-point error. Our approach has achieved state-of-the-art results on the Waymo Occupancy and Flow Prediction benchmark, with a Soft IoU of 52.1% and an AUC of 76.75% on Flow-Grounded Occupancy.

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