Instance Segmentation and Number Counting of Grape Berry Images Based on Deep Learning

文献类型： 外文期刊

第一作者： Chen, Yanmin

作者： Chen, Yanmin;Li, Xiu;Jia, Mei;Li, Jiuliang;Hu, Tianyang;Luo, Jun;Chen, Yanmin;Luo, Jun;Chen, Yanmin;Luo, Jun;Chen, Yanmin;Luo, Jun

作者机构：

关键词： grape berry; deep neural network; instance segmentation; Mask R-CNN; non-maximum suppression; number counting

期刊名称：APPLIED SCIENCES-BASEL （ 影响因子：2.7； 五年影响因子：2.9 ）

ISSN：

年卷期： 2023 年 13 卷 11 期

页码：

收录情况： SCI

摘要： In order to achieve accurate segmentation of each grape image per berry, we construct a dataset composed of red globe grape samples and use a two-stage "localization-segmentation" framework-based mask region convolutional neural network (Mask R-CNN) and one-stage "pixel classification without localization" framework-based You Only Look At CoefficienTs (YOLACT) and segmenting objects by locations (SOLO) models in the grape segmentation experiments. The optimal performance of the model Mask R-CNN was applied for further study. To address the problem of overlapping and occlusion causing inaccurate fruit detection in this model, the postprocessing algorithm of the Mask R-CNN model was improved by using the linear weighting method, and the experimental results were significantly improved. The model average precision (AP)(0.50), AP(0.75), the mean average precision (mAP), and the mean intersection of union (mIoU) improved by 1.98%, 2.72%, 4.30%, and 3.55%, respectively. The correlation coefficient was improved from 93.59% to 96.13% by using the improved Mask R-CNN to count the number of red globe grape berries, which also further illustrates that the fruit detection problem was well solved. Using the generalized method on untrained images of different grape varieties in different scenes also achieved good segmentation results. In this study, we provide a method for segmenting and counting grape berries that is useful for automating the grape industry.

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