arXiv:2409.09424cs.CVcs.AI2024-09中稿 · IEEE Geoscience an…被引 10

通过噪声化框框提升遥感目标检测,简单高效。

NBBOX: Noisy Bounding Box Improves Remote Sensing Object Detection

  • 在框级引入噪声进行数据增强,而非图像层面。
  • 在DOTA和DIOR-R上显著提升检测性能,速度更快。
  • 适合遥感领域有标注不一致问题的场景使用。

数据增强在计算机视觉中已显著提升模型性能,尤其在数据有限的情况下。现有研究多关注图像或特征层面的增强,以扩充训练样本的数量、质量和多样性。然而,我们提出应重视边界框变换作为数据增强手段,特别是在航拍图像中,由于标注可能存在不一致性。本文系统研究了缩放、旋转和平移等边界框变换对遥感目标检测的影响,提出名为NBBOX(Noise Injection into Bounding Box)的增强策略。我们在DOTA和DIOR-R两个知名数据集上进行了大量实验,这两个数据集包含多种旋转通用目标的航拍图像。结果表明,该方法无需额外模块即可显著提升遥感目标检测性能,且比当前先进增强策略更高效。

原文摘要 · Abstract (English)

Data augmentation has shown significant advancements in computer vision to improve model performance over the years, particularly in scenarios with limited and insufficient data. Currently, most studies focus on adjusting the image or its features to expand the size, quality, and variety of samples during training in various tasks including object detection. However, we argue that it is necessary to investigate bounding box transformations as a data augmentation technique rather than image-level transformations, especially in aerial imagery due to potentially inconsistent bounding box annotations. Hence, this letter presents a thorough investigation of bounding box transformation in terms of scaling, rotation, and translation for remote sensing object detection. We call this augmentation strategy NBBOX (Noise Injection into Bounding Box). We conduct extensive experiments on DOTA and DIOR-R, both well-known datasets that include a variety of rotated generic objects in aerial images. Experimental results show that our approach significantly improves remote sensing object detection without whistles and bells and it is more time-efficient than other state-of-the-art augmentation strategies.

遥感检测数据增强边界框高效算法

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