Search Results for author: Engelbert Mephu Nguifo

Found 12 papers, 1 papers with code

A comparative study of emotion recognition methods using facial expressions

no code implementations5 Dec 2022 Rim EL Cheikh, Hélène Tran, Issam Falih, Engelbert Mephu Nguifo

Understanding the facial expressions of our interlocutor is important to enrich the communication and to give it a depth that goes beyond the explicitly expressed.

Facial Emotion Recognition

Explainable classification of astronomical uncertain time series

no code implementations28 Sep 2022 Michael Franklin Mbouopda, Emille E O Ishida, Engelbert Mephu Nguifo, Emmanuel Gangler

Exploring the expansion history of the universe, understanding its evolutionary stages, and predicting its future evolution are important goals in astrophysics.

Classification Time Series +1

Expert Opinion Elicitation for Assisting Deep Learning based Lyme Disease Classifier with Patient Data

no code implementations30 Aug 2022 Sk Imran Hossain, Jocelyn de Goër de Herve, David Abrial, Richard Emillion, Isabelle Lebertb, Yann Frendo, Delphine Martineau, Olivier Lesens, Engelbert Mephu Nguifo

Existing works on deep learning based EM recognition only utilizes lesion image due to the lack of a dataset of Lyme disease related images with associated patient data.

Density Estimation

Uncertain Time Series Classification With Shapelet Transform

1 code implementation3 Feb 2021 Michael Franklin Mbouopda, Engelbert Mephu Nguifo

We then propose the uncertain shapelet transform algorithm for the classification of uncertain time series.

Classification General Classification +3

Discovering Frequent Gradual Itemsets with Imprecise Data

no code implementations22 May 2020 Michaël Chirmeni Boujike, Jerry Lonlac, Norbert Tsopze, Engelbert Mephu Nguifo

Recently, these types of patterns have caught the attention of the data mining community, where several methods have been defined to automatically extract and manage these patterns from different data models.

Attribute

Classification des S{é}ries Temporelles Incertaines par Transformation Shapelet

no code implementations11 Dec 2019 Michael Mbouopda, Engelbert Mephu Nguifo

We also show how to use this new measure to adapt shapelet transformation to uncertain time series classification.

Classification General Classification +3

Extracting Frequent Gradual Patterns Using Constraints Modeling

no code implementations20 Mar 2019 Jerry Lonlac, Saïdd Jabbour, Engelbert Mephu Nguifo, Lakhdar Saïs, Badran Raddaoui

In this paper, we propose a constraint-based modeling approach for the problem of discovering frequent gradual patterns in a numerical dataset.

Towards Learned Clauses Database Reduction Strategies Based on Dominance Relationship

no code implementations31 May 2017 Jerry Lonlac, Engelbert Mephu Nguifo

However the diversity in both the number of clauses to be removed at each step of reduction and the results obtained with each strategy creates confusion to determine which criterion is better.

Efficient construction of the lattice of frequent closed patterns and simultaneous extraction of generic bases of rules

no code implementations5 Dec 2013 Tarek Hamrouni, Sadok Ben Yahia, Engelbert Mephu Nguifo

In the last few years, the amount of collected data, in various computer science applications, has grown considerably.

Data Structures and Algorithms

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