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Related Experiment Video

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FSEA: Incorporating domain-specific prior knowledge for few-shot weed detection.

Jingyao Gai1,2, Bao Lu1, Shijie Liu1

  • 1School of Mechanical Engineering, Guangxi University, Nanning, Guangxi 530004, PR China.

Plant Phenomics (Washington, D.C.)
|December 19, 2025
PubMed
Summary

This study introduces a new few-shot learning framework for rapid crop and weed detection, enabling precision agriculture systems to adapt quickly to new weed species with minimal data.

Keywords:
Feature enhancementFeature fusionFew-shot object detectionPrior knowledge implementationWeed detection

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Area of Science:

  • Agricultural Science
  • Computer Vision
  • Machine Learning

Background:

  • Precision weed control relies on accurate crop and weed detection using deep learning.
  • Current methods struggle with new weed species due to data limitations.

Purpose of the Study:

  • To develop a few-shot learning framework for rapid adaptation to new weed species.
  • To improve the effectiveness of precision weed control in diverse agricultural settings.

Main Methods:

  • Proposed the few-shot enhanced attention (FSEA) network, built on Faster R-CNN.
  • Integrated domain-specific knowledge: color features, morphology adaptation, and occlusion handling.
  • Utilized a small dataset (30 samples/species) for training on novel weed species.

Main Results:

  • FSEA achieved a novel-class mAP of 0.346 when adapting to new weed species.
  • Outperformed state-of-the-art few-shot detectors and YOLOv7.
  • Demonstrated effective adaptation with limited training data.

Conclusions:

  • The FSEA network offers a fundamental methodology for rapid adaptation of weed detection systems.
  • Incorporating domain-specific priors is crucial for effective few-shot weed detection.
  • This approach enhances the practicality and accessibility of automated weed management.