Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/52614
Título: IMAFISH_ML: A fully-automated image analysis software for assessing fish morphometric traits on gilthead seabream (Sparus aurata L.), meagre (Argyrosomus regius) and red porgy (Pagrus pagrus)
Autores/as: Navarro, Ana
Lee-Montero, Ivonne
Santana Vega, Dulce Mª
Henríquez, Patricia
Ferrer, Miguel A. 
Morales Moreno, Aythami
Soula, Mohamed
Badilla, Rodrigo
Negrín-Báez, Davinia
Zamorano, Maria J. 
Afonso, Juan M.
Clasificación UNESCO: 251092 Acuicultura marina
Palabras clave: Genetic assessment
Gilthead seabream
Image analysis
Meagre
Morphometric traits, et al.
Fecha de publicación: 2016
Publicación seriada: Computers and Electronics in Agriculture 
Resumen: A fast and fully automated software for image analysis (named IMAFISH_ML) was developed to measure 27 fish morphometric traits (technological traits) on three commercially relevant fish species: gilthead seabream (Sparus aurata L., from 12.5 to 36.6 cm length), meagre (Argyrosomus regius, from 17.5 to 58.4 cm length) and red porgy (Pagrus pagrus, from 16.3 to 29 cm length). This analysis was performed by using two images of each fish from different angles (lateral and dorsal). The computer vision algorithm was programmed in MATLAB® v.7.5 and is freely available to aquaculture industry and research, and it is possible to modify or combine traits in order to obtain new ones, according to specific interests and competence. Additionally, an appropriate, easy-to-perform and reproducible protocol to take photographs was also described. In order to validate the software, 500 fish of each species were laterally and dorsally photographed, and the images were processed by using the IMAFISH_ML. Each fish was manually processed to measure its fork length, body weight and fillet weight (phenotypic traits). Correlation coefficients between each fish technological and phenotypic traits were calculated, all of them were statistically significant (P<. 0.01). Fork length measured by technological and phenotypic methods showed correlation coefficients between 0.98 and 0.99. The average photograph processing time was 10. s and 9.7. s for lateral and dorsal images, respectively. IMAFISH_ML software provides fish farmers and researchers with an efficient, fast and automatic tool to objectively asses morphological and growth traits. It is a practical and economical way to evaluate products for industrial purposes. Moreover, it is an especially useful tool to be included within genetic breeding programs, as it provides a high number of fast, easy-to-perform and non-invasive traits measurements, which additionally can be correlated to other production traits.
URI: http://hdl.handle.net/10553/52614
ISSN: 0168-1699
DOI: 10.1016/j.compag.2015.11.015
Fuente: Computers And Electronics In Agriculture[ISSN 0168-1699],v. 121, p. 66-73
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