A bivariate model for retinal image identification in lambs

Natàlia Adell, Pedro Puig, Alejandra Rojas-Olivares, Gerardo Caja, Sergi Carné, Ahmed A.K. Salama

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)

Abstract

In this paper we introduce the one-inflated bivariate Beta distribution as a new approach to analyze matching scores related to retinal image identification in lambs. These kind of data sets present many values equal to one, the perfect matching, and this justifies the introduction of one-inflation patterns. In addition, matching scores are correlated according to several bivariate patterns: left and right eye, 3 and 12 months of age, etc. Some examples of applications are given. © 2012 Elsevier B.V.
Original languageEnglish
Pages (from-to)108-112
JournalComputers and Electronics in Agriculture
Volume87
DOIs
Publication statusPublished - 1 Sep 2012

Keywords

  • Beta regression
  • Bivariate beta distribution
  • Retinal image recognition

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