EDA: Evolving and Distinct Anchors for Multimodal Motion Prediction

• URL: http://arxiv.org/abs/2312.09501v1
• Date: Fri, 15 Dec 2023 02:55:24 GMT
• Title: EDA: Evolving and Distinct Anchors for Multimodal Motion Prediction
• Authors: Longzhong Lin, Xuewu Lin, Tianwei Lin, Lichao Huang, Rong Xiong, Yue Wang
• Abstract summary: We introduce a novel paradigm, named Evolving and Distinct Anchors (EDA), to define the positive and negative components for multimodal motion prediction based on mixture models. EDA enables anchors to evolve and redistribute themselves under specific scenes for an enlarged regression capacity.
• Score: 27.480524917596565
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Motion prediction is a crucial task in autonomous driving, and one of its major challenges lands in the multimodality of future behaviors. Many successful works have utilized mixture models which require identification of positive mixture components, and correspondingly fall into two main lines: prediction-based and anchor-based matching. The prediction clustering phenomenon in prediction-based matching makes it difficult to pick representative trajectories for downstream tasks, while the anchor-based matching suffers from a limited regression capability. In this paper, we introduce a novel paradigm, named Evolving and Distinct Anchors (EDA), to define the positive and negative components for multimodal motion prediction based on mixture models. We enable anchors to evolve and redistribute themselves under specific scenes for an enlarged regression capacity. Furthermore, we select distinct anchors before matching them with the ground truth, which results in impressive scoring performance. Our approach enhances all metrics compared to the baseline MTR, particularly with a notable relative reduction of 13.5% in Miss Rate, resulting in state-of-the-art performance on the Waymo Open Motion Dataset. Code is available at https://github.com/Longzhong-Lin/EDA.

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