arXiv:2508.12279cs.CVcs.AI2025-08被引 9

针对自动驾驶平台定制分割模型,动态调节计算资源分配。

TSLA: A Task-Specific Learning Adaptation for Semantic Segmentation on Autonomous Vehicles Platform

  • 通过宽度、分类器深度和核大小三重控制实现模型动态适配。
  • 在NVIDIA DRIVE PX 2上实现可调节的MACs与精度平衡。
  • 基于贝叶斯优化自动搜索参数,适合嵌入式部署场景。

自动驾驶平台面临多样的驾驶场景,不同场景对硬件算力和精度要求各异。受限于嵌入式设备的计算能力,部署时必须考虑计算开销,例如在NVIDIA DRIVE PX 2平台上。本文旨在根据硬件算力和具体任务需求,定制语义分割网络。通过宽度乘子、分类器深度和分类器核大小的三级控制机制,实现对模型组件的细粒度调控,支持广泛模型缩放、重点优化最后一层以及按场景调整核大小,从而提升资源分配效率与性能。此外,采用带有代理建模的贝叶斯优化,在严苛计算预算下高效探索超参数空间。该方法通过自动参数搜索满足特定场景与任务的需求,适应自动驾驶特有的复杂性与精度要求。通过任务特定学习适配(TSLA)调节乘积累加操作(MACs),生成适配不同自动驾驶任务的替代配置,最大化计算资源利用率与模型准确率。

原文摘要 · Abstract (English)

Autonomous driving platforms encounter diverse driving scenarios, each with varying hardware resources and precision requirements. Given the computational limitations of embedded devices, it is crucial to consider computing costs when deploying on target platforms like the NVIDIA\textsuperscript{\textregistered} DRIVE PX 2. Our objective is to customize the semantic segmentation network according to the computing power and specific scenarios of autonomous driving hardware. We implement dynamic adaptability through a three-tier control mechanism -- width multiplier, classifier depth, and classifier kernel -- allowing fine-grained control over model components based on hardware constraints and task requirements. This adaptability facilitates broad model scaling, targeted refinement of the final layers, and scenario-specific optimization of kernel sizes, leading to improved resource allocation and performance. Additionally, we leverage Bayesian Optimization with surrogate modeling to efficiently explore hyperparameter spaces under tight computational budgets. Our approach addresses scenario-specific and task-specific requirements through automatic parameter search, accommodating the unique computational complexity and accuracy needs of autonomous driving. It scales its Multiply-Accumulate Operations (MACs) for Task-Specific Learning Adaptation (TSLA), resulting in alternative configurations tailored to diverse self-driving tasks. These TSLA customizations maximize computational capacity and model accuracy, optimizing hardware utilization.

语义分割自动驾驶模型适配贝叶斯优化

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