On Exploring Input Resolution Scaling For Anytime LiDAR Object Detection

• URL: http://arxiv.org/abs/2607.08391v1
• Date: Thu, 09 Jul 2026 12:16:23 GMT
• Title: On Exploring Input Resolution Scaling For Anytime LiDAR Object Detection
• Abstract summary: We focus on enabling anytime computing for deep neural networks (DNNs) that process LiDAR point clouds for 3D object detection.<n>We propose a novel method that enables multi-resolution inference for models that process point clouds as pillars or voxels.<n>Our memory-efficient approach requires the deployment of only a single DNN model, avoiding the need to deploy multiple models.
• Score: 4.014524824655106
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Making tradeoffs between execution latency and result utility (i.e., anytime computing) for adapting to dynamic operational requirements has been shown to enhance the performance of cyber-physical systems. In this work, we focus on enabling anytime computing for deep neural networks (DNNs) that process LiDAR point clouds for 3D object detection. We propose a novel method that enables multi-resolution inference for models that process point clouds as pillars or voxels, allowing the input to be dynamically scaled and processed at the resolution needed to meet timing requirements. Importantly, our memory-efficient approach requires the deployment of only a single DNN model, avoiding the need to deploy multiple models, each trained for a different input resolution. We also introduce a deadline-aware scheduler that selects the highest possible resolution for any given input by accurately predicting the execution time for all possible resolutions at runtime, which is challenging due to the irregularity of LiDAR point clouds. Experimental results on the nuScenes autonomous driving dataset demonstrate that our method significantly outperforms existing anytime computing approaches for LiDAR object detection. Finally, we deploy our approach in a simulated autonomous driving system, where it consistently enables collision-free navigation while avoiding unnecessary stalls caused by environmental complexity.

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