Leaf rolling detection in maize under complex environments using an improved deep learning method

文献类型： 外文期刊

第一作者： Wang, Yuanhao

作者： Wang, Yuanhao;Jing, Xuebin;Han, Xiaohong;Wang, Yuanhao;Jing, Xuebin;Pan, Weihua;Gao, Yonggang;Zhao, Cheng

作者机构：

关键词： Leaf rolling; Object detection; Maize; Deep learning

期刊名称：PLANT MOLECULAR BIOLOGY （ 影响因子：3.9； 五年影响因子：4.6 ）

ISSN： 0167-4412

年卷期： 2024 年 114 卷 5 期

页码：

收录情况： SCI

摘要： Leaf rolling is a common adaptive response that plants have evolved to counteract the detrimental effects of various environmental stresses. Gaining insight into the mechanisms underlying leaf rolling alterations presents researchers with a unique opportunity to enhance stress tolerance in crops exhibiting leaf rolling, such as maize. In order to achieve a more profound understanding of leaf rolling, it is imperative to ascertain the occurrence and extent of this phenotype. While traditional manual leaf rolling detection is slow and laborious, research into high-throughput methods for detecting leaf rolling within our investigation scope remains limited. In this study, we present an approach for detecting leaf rolling in maize using the YOLOv8 model. Our method, LRD-YOLO, integrates two significant improvements: a Convolutional Block Attention Module to augment feature extraction capabilities, and a Deformable ConvNets v2 to enhance adaptability to changes in target shape and scale. Through experiments on a dataset encompassing severe occlusion, variations in leaf scale and shape, and complex background scenarios, our approach achieves an impressive mean average precision of 81.6%, surpassing current state-of-the-art methods. Furthermore, the LRD-YOLO model demands only 8.0 G floating point operations and the parameters of 3.48 M. We have proposed an innovative method for leaf rolling detection in maize, and experimental outcomes showcase the efficacy of LRD-YOLO in precisely detecting leaf rolling in complex scenarios while maintaining real-time inference speed. In this study, we propose an improved object detection algorithm for detecting leaf rolling, a common adaptive response to environmental stresses. It achieves 81.6% mean average precision, surpassing existing methods.

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