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Fish feeding intensity quantification using machine vision and a lightweight 3D ResNet-GloRe network

文献类型： 外文期刊

作者： Feng, Shuangxing 1 ; Yang, Xinting 2 ; Liu, Yang 2 ; Zhao, Zhengxi 2 ; Liu, Jintao 2 ; Yan, Yujie 5 ; Zhou, Chao 2 ;

作者机构： 1.Guangxi Univ, Sch Mech Engn, Nanning 530004, Peoples R China

2.Natl Engn Lab Agriprod Qual Traceabil, Beijing 100097, Peoples R China

3.Beijing Acad Agr & Forestry Sci, Res Ctr Informat Technol, Beijing 100097, Peoples R China

4.Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China

5.Southeast Univ, Sch Automat, Nanjing 210096, Peoples R China

6.Middle Rd 9,Haidian Dist, Beijing 100097, Peoples R China

关键词： Feeding intensity quantification; Action positioning; 3D ResNet-GloRe; Lightweight

期刊名称：AQUACULTURAL ENGINEERING （ 影响因子：3.273； 五年影响因子：3.585 ）

ISSN： 0144-8609

年卷期： 2022 年 98 卷

页码：

收录情况： SCI

摘要： Quantifying feeding intensity of fish is important in developing intelligent feeding control system, thus improving feed utilization rate and reducing water pollution. The current study explored a real-time, high precision and lightweight 3D ResNet-Glore fish feeding intensity quantification network, which can accurately locate the four levels of fish feeding intensities in video stream. In this network, the lightweight GloRe module is expanded in 3D space, and the Residual block in the 3D ResNet network is modified to form the 3D GloRe module. The relational reasoning is achieved through graph convolution in the interactive space to improve accuracy of discrimination. In addition, the sliding window and the frame extraction processing of the video data significantly reduces the model parameters and the amount of calculation. Experimental results showed that the classification accuracy for four types of feeding intensity was 92.68%, which is 4.88% higher compared with that of the classical 3D ResNet network. The parameters were decreased by 46.08% and the GFLOPs decreased by 44.10%. The proposed network improved the training and recognition speed and reduced the hardware equipment requirements, which can provide a theoretical basis for subsequent feeding decisions.

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