arXiv:2410.20638cs.CV2024-10被引 1

用视觉算法自动数蚂蚁,还能分析它们的觅食行为。

Ant Detective: An Automated Approach for Counting Ants in Densely Populated Images and Gaining Insight into Ant Foraging Behavior

  • 基于YOLOv8模型,通过少量校准图像实现高精度蚂蚁检测。
  • 复杂背景需1024张校准图,上千只蚂蚁时分块处理提升准确率。
  • 生成热力图揭示蚂蚁活动时空规律,助力生态研究与害虫防治。

蚂蚁觅食行为对理解生态动态和制定有效害虫管理策略至关重要,但密集图像中的人工计数劳动强度大。本研究提出一种基于计算机视觉的自动化方法,利用YOLOv8模型在多种成像场景和密度下进行校准与评估。结果显示,在校准与测试图像背景相似时,仅需64张校准图像即可达到最高87.96%的平均精度和87.78%的召回率;当背景更复杂时,需1024张校准图像,精度和召回率分别达83.60%和78.88%。在单图超千只蚂蚁的挑战场景下,通过图像分块处理,精度和召回率分别提升至77.97%和71.36%。系统生成的热力图可可视化蚂蚁活动的空间时间分布,为理解其觅食模式提供关键洞察。该方法显著提升计数效率与行为分析深度,为科研人员和害虫防控专业人员提供高效工具。

原文摘要 · Abstract (English)

Ant foraging behavior is essential to understanding ecological dynamics and developing effective pest management strategies, but quantifying this behavior is challenging due to the labor-intensive nature of manual counting, especially in densely populated images. This study presents an automated approach using computer vision to count ants and analyze their foraging behavior. Leveraging the YOLOv8 model, the system was calibrated and evaluated on datasets encompassing various imaging scenarios and densities. The study results demonstrate that the system achieves average precision and recall of up to 87.96% and 87,78%, respectively, with only 64 calibration images provided when the both calibration and evaluation images share similar imaging backgrounds. When the background is more complex than the calibration images, the system requires a larger calibration set to generalize effectively, with 1,024 images yielding the precision and recall of up to 83.60% and 78.88, respectively. In more challenging scenarios where more than one thousand ants are present in a single image, the system significantly improves detection accuracy by slicing images into smaller patches, reaching a precision and recall of 77.97% and 71.36%, respectively. The system's ability to generate heatmaps visualizes the spatial distribution of ant activity over time, providing valuable insights into their foraging patterns. This spatial-temporal analysis enables a more comprehensive understanding of ant behavior, which is crucial for ecological studies and improving pest control methods. By automating the counting process and offering detailed behavioral analysis, this study provides an efficient tool for researchers and pest control professionals to develop more effective strategies.

计算机视觉蚂蚁行为目标检测生态研究

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