3 papers
cs.CV2024
Improved image display by identifying the RGB family color space
Elvis Togban, Djemel Ziou
To display an image, the color space in which the image is encoded is assumed to be known. Unfortunately, this assumption is rarely realistic. In this paper, we propose to identify…
cs.LG2024
Hierarchical mixture of discriminative Generalized Dirichlet classifiers
Elvis Togban, Djemel Ziou
This paper presents a discriminative classifier for compositional data. This classifier is based on the posterior distribution of the Generalized Dirichlet which is the discriminat…
math.ST2024
Deriving Lehmer and Hölder means as maximum weighted likelihood estimates for the multivariate exponential family
Djemel Ziou, Issam Fakir
The links between the mean families of Lehmer and Hölder and the weighted maximum likelihood estimator have recently been established in the case of a regular univariate exponentia…