Fish Measurement Using Android Smart Phone: the Example of Swamp Eel

文献类型： 外文期刊

第一作者： Chen, Baisong

作者： Chen, Baisong;Ouyang, Haiying;Sun, Yingze;Ge, Changshui;Hu, Jing

作者机构：

关键词： fish length;fish weight;photogrammetry;swamp eel (Monopterusalbus);Android

期刊名称：PIAGENG 2013: IMAGE PROCESSING AND PHOTONICS FOR AGRICULTURAL ENGINEERING

ISSN： 0277-786X

年卷期： 2013 年 8761 卷

页码：

收录情况： SCI

摘要： The body length and weight are critical physiological parameters for fishes, especially eel-like fishes like swamp eel(Monopterusalbus). Fast and accurate measuring of body length is significant forswamp eel culturingas well asits resource investigation and protection. This paper presents an Android smart phone-basedphotogrammetrytechnology for measuring and estimating the length and weightof swamp eel. This method utilizesthe feature thatthe ratio of lengths of two objects within an image is equal to thatof inreality to measure the length of swamp eels. And then, it estimatesthe weight via a pre-built length-weight regression model. Analysis and experimental results have indicated that this method is a fast and accurate method for length and weight measurements of swamp eel. The cross-validation results shows that the RMSE (root-mean-square error) of total length measurement of swamp eel is0.4 cm, and theRMSE ofweight estimation is 11 grams.

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