Efficient Bird Eye View Proposals for 3D Siamese Tracking
Jesus Zarzar, Silvio Giancola, Bernard Ghanem

TL;DR
This paper introduces an efficient method for 3D vehicle tracking in LIDAR point clouds by leveraging Bird Eye View representations, a Region Proposal Network, and a 3D Siamese network with shape completion, achieving superior performance.
Contribution
The paper proposes a novel BEV-based region proposal approach combined with a 3D Siamese network for improved vehicle tracking in LIDAR data, outperforming Bayesian methods and previous baselines.
Findings
BEV proposals outperform Bayesian methods like Kalman and Particle Filters.
The method achieves 12% and 18% improvements in Success and Precision metrics.
End-to-end training enhances tracking accuracy with only 16 candidates.
Abstract
Tracking vehicles in LIDAR point clouds is a challenging task due to the sparsity of the data and the dense search space. The lack of structure in point clouds impedes the use of convolution filters usually employed in 2D object tracking. In addition, structuring point clouds is cumbersome and implies losing fine-grained information. As a result, generating proposals in 3D space is expensive and inefficient. In this paper, we leverage the dense and structured Bird Eye View (BEV) representation of LIDAR point clouds to efficiently search for objects of interest. We use an efficient Region Proposal Network and generate a small number of object proposals in 3D. Successively, we refine our selection of 3D object candidates by exploiting the similarity capability of a 3D Siamese network. We regularize the latter 3D Siamese network for shape completion to enhance its discrimination…
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Taxonomy
TopicsVideo Surveillance and Tracking Methods · Remote Sensing and LiDAR Applications · Autonomous Vehicle Technology and Safety
MethodsSiamese Network · Convolution
