Plant disease symptom segmentation in chlorophyll fluorescence imaging with a synthetic dataset - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Frontiers in Plant Science Year : 2022

Plant disease symptom segmentation in chlorophyll fluorescence imaging with a synthetic dataset

Abstract

Despite the wide use of computer vision methods in plant health monitoring, little attention is paid to segmenting the diseased leaf area at its early stages. It can be explained by the lack of datasets of plant images with annotated disease lesions. We propose a novel methodology to generate fluorescent images of diseased plants with an automated lesion annotation. We demonstrate that a U-Net model aiming to segment disease lesions on fluorescent images of plant leaves can be efficiently trained purely by a synthetically generated dataset. The trained model showed 0.793% recall and 0.723% average precision against an empirical fluorescent test dataset. Creating and using such synthetic data can be a powerful technique to facilitate the application of deep learning methods in precision crop protection. Moreover, our method of generating synthetic fluorescent images is a way to improve the generalization ability of deep learning models.
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hal-03887442 , version 1 (06-12-2022)

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Natalia Sapoukhina, Tristan Boureau, David Rousseau. Plant disease symptom segmentation in chlorophyll fluorescence imaging with a synthetic dataset. Frontiers in Plant Science, 2022, 13, pp.969205. ⟨10.3389/fpls.2022.969205⟩. ⟨hal-03887442⟩
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