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Comparisons of non-contact methods for pig weight estimation

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2018 ASABE Annual International Meeting  1801040.(doi:10.13031/aim.201801040)
Authors:   Chao Zong, Zhuo Li, Yanrong Zhuang, Jionghua Yu, Guanghui Teng
Keywords:   Non-contact method, Pig weight estimation, precision livestock farming, computer vision techniques

Abstract. Non-contact methods for estimating pig weight is popular in precision livestock farming utilizing computer vision techniques, and has proved success in field applications. The development of pigs‘ body size and body weight estimating based on machine vision can be generally divided into two stages: two-dimensional measurement phase and three-dimensional measurement phase. In this study, non-contact pig weighing methods from literatures were summarized. The advantages and limitations of each method were assessed by comparisons of weight estimation accuracy, maneuverability, and cost efficiency of the equipment.

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