DPFT: Dual Perspective Fusion Transformer for Camera-Radar-based Object Detection

• URL: http://arxiv.org/abs/2404.03015v1
• Date: Wed, 3 Apr 2024 18:54:27 GMT
• Title: DPFT: Dual Perspective Fusion Transformer for Camera-Radar-based Object Detection
• Authors: Felix Fent, Andras Palffy, Holger Caesar,
• Abstract summary: We propose a novel camera-radar fusion approach called Dual Perspective Fusion Transformer (DPFT) Our method leverages lower-level radar data (the radar cube) instead of the processed point clouds to preserve as much information as possible. DPFT has demonstrated state-of-the-art performance on the K-Radar dataset while showing remarkable robustness against adverse weather conditions.
• Score: 0.7919810878571297
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The perception of autonomous vehicles has to be efficient, robust, and cost-effective. However, cameras are not robust against severe weather conditions, lidar sensors are expensive, and the performance of radar-based perception is still inferior to the others. Camera-radar fusion methods have been proposed to address this issue, but these are constrained by the typical sparsity of radar point clouds and often designed for radars without elevation information. We propose a novel camera-radar fusion approach called Dual Perspective Fusion Transformer (DPFT), designed to overcome these limitations. Our method leverages lower-level radar data (the radar cube) instead of the processed point clouds to preserve as much information as possible and employs projections in both the camera and ground planes to effectively use radars with elevation information and simplify the fusion with camera data. As a result, DPFT has demonstrated state-of-the-art performance on the K-Radar dataset while showing remarkable robustness against adverse weather conditions and maintaining a low inference time. The code is made available as open-source software under https://github.com/TUMFTM/DPFT.

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