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Evaluation of body weight of sea cucumber Apostichopus japonicus by computer vision
Liu Hui1,2; Xu Qiang1; Liu Shilin1; Zhang Libin1; Yang Hongsheng1
2015
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号33期号:1页码:114-120
文章类型Article
摘要Apostichopus japonicus (Holothuroidea, Echinodermata) is an ecological and economic species in East Asia. Conventional biometric monitoring method includes diving for samples and weighing above water, with highly variable in weight measurement due to variation in the quantity of water in the respiratory tree and intestinal content of this species. Recently, video survey method has been applied widely in biometric detection on underwater benthos. However, because of the high flexibility of A. japonicus body, video survey method of monitoring is less used in sea cucumber. In this study, we designed a model to evaluate the wet weight of A. japonicus, using machine vision technology combined with a support vector machine (SVM) that can be used in field surveys on the A. japonicus population. Continuous dorsal images of free-moving A. japonicus individuals in seawater were captured, which also allows for the development of images of the core body edge as well as thorn segmentation. Parameters that include body length, body breadth, perimeter and area, were extracted from the core body edge images and used in SVM regression, to predict the weight of A. japonicus and for comparison with a power model. Results indicate that the use of SVM for predicting the weight of 33 A. japonicus individuals is accurate (R-2=0.99) and compatible with the power model (R-2=0.96). The image-based analysis and size-weight regression models in this study may be useful in body weight evaluation of A. japonicus in lab and field study.
关键词Apostichopus Japonicas Wet Weight Computer Vision Support Vector Machine
DOI10.1007/s00343-015-4080-3
收录类别SCI
语种英语
WOS记录号WOS:000351156200014
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/25416
专题海洋生态与环境科学重点实验室
实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位中国科学院海洋研究所
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Liu Hui,Xu Qiang,Liu Shilin,et al. Evaluation of body weight of sea cucumber Apostichopus japonicus by computer vision[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2015,33(1):114-120.
APA Liu Hui,Xu Qiang,Liu Shilin,Zhang Libin,&Yang Hongsheng.(2015).Evaluation of body weight of sea cucumber Apostichopus japonicus by computer vision.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,33(1),114-120.
MLA Liu Hui,et al."Evaluation of body weight of sea cucumber Apostichopus japonicus by computer vision".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 33.1(2015):114-120.
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