Uncertainty-Aware Vehicle Orientation Estimation for Joint Detection-Prediction Models

• URL: http://arxiv.org/abs/2011.03114v1
• Date: Thu, 5 Nov 2020 21:59:44 GMT
• Title: Uncertainty-Aware Vehicle Orientation Estimation for Joint Detection-Prediction Models
• Authors: Henggang Cui, Fang-Chieh Chou, Jake Charland, Carlos Vallespi-Gonzalez, Nemanja Djuric
• Abstract summary: Orientation is an important property for downstream modules of an autonomous system. We present a method that extends the existing models that perform joint object detection and motion prediction. In addition, the approach is able to quantify prediction uncertainty, outputting the probability that the inferred orientation is flipped.
• Score: 12.56249869551208
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Object detection is a critical component of a self-driving system, tasked with inferring the current states of the surrounding traffic actors. While there exist a number of studies on the problem of inferring the position and shape of vehicle actors, understanding actors' orientation remains a challenge for existing state-of-the-art detectors. Orientation is an important property for downstream modules of an autonomous system, particularly relevant for motion prediction of stationary or reversing actors where current approaches struggle. We focus on this task and present a method that extends the existing models that perform joint object detection and motion prediction, allowing us to more accurately infer vehicle orientations. In addition, the approach is able to quantify prediction uncertainty, outputting the probability that the inferred orientation is flipped, which allows for improved motion prediction and safer autonomous operations. Empirical results show the benefits of the approach, obtaining state-of-the-art performance on the open-sourced nuScenes data set.

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