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Convolutional Neural Network-Based Fish Posture Classification

文献类型： 外文期刊

作者： Li, Xin 1 ; Ding, Anzi 1 ; Mei, Shaojie 2 ; Wu, Wenjin 1 ; Hou, Wenguang 2 ;

作者机构： 1.Hubei Acad Agr Sci, Inst Agr Prod Proc & Nucl Agr Technol, Wuhan 430064, Hubei, Peoples R China

2.Huazhong Univ Sci & Technol, Coll Life Sci & Technol, Wuhan 430074, Hubei, Peoples R China

期刊名称：COMPLEXITY （ 影响因子：2.833； 五年影响因子：2.8 ）

ISSN： 1076-2787

年卷期： 2021 年 2021 卷

页码：

收录情况： SCI

摘要： Fish killing machines can effectively relieve the workers from the backbreaking labour. Generally, it is necessary to ensure the fish to be in unified posture before being input into the automatic fish killing machine. As such, how to detect the actual posture of fish in real time is a new and meaningful issue. Considering that in the actual situation, we only need to determine the four postures which are related to the head, tail, back, and belly of the fish, and we transfer this task into a four-kind classification problem. As such, the convolutional neural network (CNN) is introduced here to do classification and then to detect the fish's posture. Before training the network, all sample images are preprocessed to make the fish be horizontal on the image according to the principal component analysis. Meanwhile, the histogram equalization is used to make the grey distribution of different images be close. After that, two kinds of strategies are taken to do classification. The first is a paired binary classification CNN and the second is a four-category CNN. In addition, three kinds of CNN are adopted. By comparison, the four-kind classification can obtain better results with error less than 1/1000.

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