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arXiv 2507.10775cs.CVcs.AIeess.IV

一种新的数据集和性能基准用于机载计算机上的实时航天器分割

A New Dataset and Performance Benchmark for Real-time Spacecraft Segmentation in Onboard Computers

Department of Computer Science, Rice University(计算机科学系,里士大学);Johnson Space Center, NASA(约翰逊航天中心,美国国家航空航天局);Data to Knowledge Lab, Rice University(数据到知识实验室,里士大学)

Jeffrey Joan Sam, Janhavi Sathe, Nikhil Chigali, Naman Gupta, Radhey Ruparel, Yicheng Jiang, Janmajay Singh, James W. Berck, Arko Barman

AI总结:

本文提出了一种新的航天器分割数据集和性能基准,通过真实航天器模型和混合背景生成,结合噪声和失真模拟,用于实时机载应用的图像分割挑战测试。

摘要:

在太空中部署的航天器由于暴露在危险环境中而经常遭受各种形式的损坏。此外,通过宇航员舱外活动或机器人操作进行的空间修复过程也存在显著风险,导致巨大的运营成本。近年来,图像分割技术的进步可能使开发可靠且经济的自主检测系统成为可能。尽管这些模型通常需要大量的训练数据才能获得满意的结果,但公开可用的标注航天器分割数据却非常稀缺。在这里,我们提出了一种新的数据集,包含近64,000张标注的航天器图像,该数据集是使用真实的航天器模型,叠加在由NASA的TTALOS流程生成的混合真实和合成背景上创建的。为了模拟真实世界图像采集中的镜头失真和噪声,我们还向图像中添加了不同类型噪声和失真。我们的数据集包括具有多种真实世界挑战的图像,包括噪声、镜头失真、眩光、变化的光照条件、变化的视野、部分航天器可见性、明亮的城市背景、密集图案和令人困惑的背景、北极光以及各种航天器几何形状。最后,我们对YOLOv8和YOLOv11模型进行了微调,以生成数据集在明确的硬件和推理时间约束下的性能基准,以模拟实时机载应用中的空间图像分割挑战。测试这些模型时,它们在这些约束下实现了Dice得分为0.92,Hausdorff距离为0.69,推理时间约为0.5秒。数据集和性能基准模型可在https://github.com/RiceD2KLab/SWiM上获得。

英文摘要:

Spacecraft deployed in outer space are routinely subjected to various forms of damage due to exposure to hazardous environments. In addition, there are significant risks to the subsequent process of in-space repairs through human extravehicular activity or robotic manipulation, incurring substantial operational costs. Recent developments in image segmentation could enable the development of reliable and cost-effective autonomous inspection systems. While these models often require large amounts of training data to achieve satisfactory results, publicly available annotated spacecraft segmentation data are very scarce. Here, we present a new dataset of nearly 64k annotated spacecraft images that was created using real spacecraft models, superimposed on a mixture of real and synthetic backgrounds generated using NASA's TTALOS pipeline. To mimic camera distortions and noise in real-world image acquisition, we also added different types of noise and distortion to the images. Our dataset includes images with several real-world challenges, including noise, camera distortions, glare, varying lighting conditions, varying field of view, partial spacecraft visibility, brightly-lit city backgrounds, densely patterned and confounding backgrounds, aurora borealis, and a wide variety of spacecraft geometries. Finally, we finetuned YOLOv8 and YOLOv11 models for spacecraft segmentation to generate performance benchmarks for the dataset under well-defined hardware and inference time constraints to mimic real-world image segmentation challenges for real-time onboard applications in space on NASA's inspector spacecraft. The resulting models, when tested under these constraints, achieved a Dice score of 0.92, Hausdorff distance of 0.69, and an inference time of about 0.5 second. The dataset and models for performance benchmark are available at https://github.com/RiceD2KLab/SWiM.

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