The content discusses the pivotal role of LiDAR point clouds in 3D object detection for autonomous driving. It introduces innovative modules, DFFM and FSM, to enhance model optimization by balancing computational loads and eliminating non-essential features. Extensive experiments validate the effectiveness of these modules in improving small target detection and accelerating network performance.
The article highlights challenges in extending the receptive field of 3D convolutional kernels due to computational constraints and sparsity in point cloud data. The proposed DFFM dynamically adjusts the receptive field based on demand, while the FSM filters out irrelevant features to focus on crucial ones. These strategies lead to model compression, reduced computational burden, and improved detection performance.
Furthermore, comparisons with existing methods show significant improvements in overall model optimization, particularly for small objects. The combined impact of DFFM and FSM demonstrates effective complementarity, advancing state-of-the-art 3D object detection capabilities.
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