Stereo CenterNet based 3D Object Detection for Autonomous Driving

• URL: http://arxiv.org/abs/2103.11071v1
• Date: Sat, 20 Mar 2021 02:18:49 GMT
• Title: Stereo CenterNet based 3D Object Detection for Autonomous Driving
• Authors: Yuguang Shi, Zhenqiang Mi, Yu Guo
• Abstract summary: We propose a 3D object detection method using geometric information in stereo images, called Stereo CenterNet. Stereo CenterNet predicts the four semantic key points of the 3D bounding box of the object in space and uses 2D left right boxes, 3D dimension, orientation and key points to restore the bounding box of the object in the 3D space. Experiments conducted on the KITTI dataset show that our method achieves the best speed-accuracy trade-off compared with the state-of-the-art methods based on stereo geometry.
• Score: 2.508414661327797
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In recent years, 3D detection based on stereo cameras has made great progress, but most state-of-the-art methods use anchor-based 2D detection or depth estimation to solve this problem. However, the high computational cost makes these methods difficult to meet real-time performance. In this work, we propose a 3D object detection method using geometric information in stereo images, called Stereo CenterNet. Stereo CenterNet predicts the four semantic key points of the 3D bounding box of the object in space and uses 2D left right boxes, 3D dimension, orientation and key points to restore the bounding box of the object in the 3D space. Then, we use an improved photometric alignment module to further optimize the position of the 3D bounding box. Experiments conducted on the KITTI dataset show that our method achieves the best speed-accuracy trade-off compared with the state-of-the-art methods based on stereo geometry.

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