Aquat. Living Resour.
Volume 9, Number 3, July-September 1996
|Page(s)||281 - 287|
|Published online||15 July 1996|
Détection de larves de poisson anormales par analyse d'images
Abnormal fish larvae detection by image analysis
Laboratoire d'Ecotoxicologie, CEMAGREF, 3 quai Chauveau, 69009 Lyon, France
2 Adresse actuelle : Springborn Laboratories (Europe) AG, Seestrasse 21, CH-9326 Horn, Suisse
Accepté : 6 Mai 1996
Image analysis was used for the detection of body deformities in larvae of zebrafish (Brachydanio rerio) and carp (Cyprinus carpio). Live normal and abnormal larvae maintained in water were placed on an illuminated table under a camera and observed in either dorsal or side view. Five morphological descriptors were obtained from two commercial softwares and one specific algorithm. A discriminant analysis was used for the identification of larval position and shape. Preliminary data indicated a good separation between normal larvae in dorsal view and other larvae.
Key words: Image analysis / fish / larvae / Brachydanio rerio / Cyprinus carpio / zebrafish / carp / morphological / descriptor / abnormality
© IFREMER-Gauthier-Villars, 1996
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