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<p>With the increasing application of computer vision in mycology research, precisely segmenting mycelium and its edges in petri dish images remains a critical and underexplored task. This technology, accurately delineating mycelium boundaries, enables quantification of growth patterns, playing a crucial role in exploration of strain-related features, environmental adaptability, and physiological stimuli responses. The field confronts two bottlenecks, restricting real-world computer vision application. First, scarce public datasets impede development of mycelium-specific algorithms. Second, low contrast and high complexity of mycelium edges complicate annotation and segmentation processes. To address these bottlenecks, we established MyceliumSeg, the first large-scale benchmark dataset. MyceliumSeg contains: (i) 20,176 high-quality diverse images covering full growth cycle of four fungal species across multiple culture conditions; (ii) 567 pixel-level labeled samples generated with 37 person-days’ manual effort through a mycelium annotation framework, including a multi-blind refined annotation guideline and a novel disagreement solution; (iii) a benchmark evaluating mainstream deep learning models under classic and boundary-aware segmentation metrics. MyceliumSeg serves as valuable resource for research on both mycology and segmentation algorithm.</p>

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A Mycelium Dataset with Edge-Precise Annotation for Semantic Segmentation

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年12月10日

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  • Qianguang Yuan,
  • Weizhen Liu,
  • Yunfei Liu,
  • Pin Li,
  • Yuxuan Liu,
  • Xiaohui Yuan,
  • Nanqing Dong,
  • Shengwu Xiong,
  • Yongping Fu

摘要

With the increasing application of computer vision in mycology research, precisely segmenting mycelium and its edges in petri dish images remains a critical and underexplored task. This technology, accurately delineating mycelium boundaries, enables quantification of growth patterns, playing a crucial role in exploration of strain-related features, environmental adaptability, and physiological stimuli responses. The field confronts two bottlenecks, restricting real-world computer vision application. First, scarce public datasets impede development of mycelium-specific algorithms. Second, low contrast and high complexity of mycelium edges complicate annotation and segmentation processes. To address these bottlenecks, we established MyceliumSeg, the first large-scale benchmark dataset. MyceliumSeg contains: (i) 20,176 high-quality diverse images covering full growth cycle of four fungal species across multiple culture conditions; (ii) 567 pixel-level labeled samples generated with 37 person-days’ manual effort through a mycelium annotation framework, including a multi-blind refined annotation guideline and a novel disagreement solution; (iii) a benchmark evaluating mainstream deep learning models under classic and boundary-aware segmentation metrics. MyceliumSeg serves as valuable resource for research on both mycology and segmentation algorithm.