no code implementations • NAACL (SocialNLP) 2021 • Horacio Jarquín-Vásquez, Hugo Jair Escalante, Manuel Montes
The use of attention mechanisms in deep learning approaches has become popular in natural language processing due to its outstanding performance.
no code implementations • 9 Apr 2024 • Haocheng Yuan, Ajian Liu, Junze Zheng, Jun Wan, Jiankang Deng, Sergio Escalera, Hugo Jair Escalante, Isabelle Guyon, Zhen Lei
Based on this dataset, we organized a Unified Physical-Digital Face Attack Detection Challenge to boost the research in Unified Attack Detections.
no code implementations • 7 Mar 2024 • Sergio Nava-Muñoz, Mario Graff, Hugo Jair Escalante
Collaborative competitions have gained popularity in the scientific and technological fields.
no code implementations • 1 Dec 2023 • Hugo Jair Escalante, Aleksandra Kruchinina
Academic challenges comprise effective means for (i) advancing the state of the art, (ii) putting in the spotlight of a scientific community specific topics and problems, as well as (iii) closing the gap for under represented communities in terms of accessing and participating in the shaping of research fields.
no code implementations • 31 Aug 2023 • Lino Rodriguez-Coayahuitl, Alicia Morales-Reyes, Hugo Jair Escalante
We introduce TurboGP, a Genetic Programming (GP) library fully written in Python and specifically designed for machine learning tasks.
no code implementations • 5 Jun 2023 • Cosijopii Garcia-Garcia, Alicia Morales-Reyes, Hugo Jair Escalante
Our approach combines real-based and block-chained CNNs representations based on CGP for optimization in the continuous domain using multi-objective evolutionary algorithms (MOEAs).
no code implementations • 16 May 2023 • Sergio Nava-Muñoz, Mario Graff Guerrero, Hugo Jair Escalante
For the challenges settings, it is vital to establish the scientific question, the dataset (with adequate quality, quantity, diversity, and complexity), performance metrics, as well as a way to authenticate the participants' results (Gold Standard).
no code implementations • 15 Apr 2023 • Hao Fang, Ajian Liu, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Zhen Lei
Based on this dataset and protocol-$3$ for evaluating the robustness of the algorithm under quality changes, we organized a face presentation attack detection challenge in surveillance scenarios.
1 code implementation • 12 Apr 2023 • Dong Wang, Jia Guo, Qiqi Shao, Haochi He, Zhian Chen, Chuanbao Xiao, Ajian Liu, Sergio Escalera, Hugo Jair Escalante, Zhen Lei, Jun Wan, Jiankang Deng
Leveraging the WFAS dataset and Protocol 1 (Known-Type), we host the Wild Face Anti-Spoofing Challenge at the CVPR2023 workshop.
no code implementations • 7 Sep 2021 • Fernanda Hernández-Luquin, Hugo Jair Escalante
Initial efforts on ER relied on handcrafted features that were used to characterize facial images and then feed to standard predictive models.
1 code implementation • 7 Sep 2021 • Mélina Verger, Hugo Jair Escalante
Data-driven decision making is serving and transforming education.
no code implementations • 16 Aug 2021 • Ajian Liu, Chenxu Zhao, Zitong Yu, Anyang Su, Xing Liu, Zijian Kong, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Zhen Lei, Guodong Guo
The threat of 3D masks to face recognition systems is increasingly serious and has been widely concerned by researchers.
no code implementations • 24 Jun 2021 • Sergio Escalera, Marti Soler, Stephane Ayache, Umut Guclu, Jun Wan, Meysam Madadi, Xavier Baro, Hugo Jair Escalante, Isabelle Guyon
Dealing with incomplete information is a well studied problem in the context of machine learning and computational intelligence.
no code implementations • 19 Aug 2020 • Hugo Jair Escalante
Automated machine learning (AutoML) is the sub-field of machine learning that aims at automating, to some extend, all stages of the design of a machine learning system.
no code implementations • 23 Apr 2020 • Ajian Liu, Xuan Li, Jun Wan, Sergio Escalera, Hugo Jair Escalante, Meysam Madadi, Yi Jin, Zhuoyuan Wu, Xiaogang Yu, Zichang Tan, Qi Yuan, Ruikun Yang, Benjia Zhou, Guodong Guo, Stan Z. Li
Although ethnic bias has been verified to severely affect the performance of face recognition systems, it still remains an open research problem in face anti-spoofing.
no code implementations • 28 Aug 2019 • Shifeng Zhang, Ajian Liu, Jun Wan, Yanyan Liang, Guogong Guo, Sergio Escalera, Hugo Jair Escalante, Stan Z. Li
To facilitate face anti-spoofing research, we introduce a large-scale multi-modal dataset, namely CASIA-SURF, which is the largest publicly available dataset for face anti-spoofing in terms of both subjects and modalities.
no code implementations • 24 Jul 2019 • Jorge G. Madrid, Hugo Jair Escalante, Eduardo F. Morales, Wei-Wei Tu, Yang Yu, Lisheng Sun-Hosoya, Isabelle Guyon, Michele Sebag
We extendAuto-Sklearn with sound and intuitive mechanisms that allow it to cope with this sort ofproblems.
1 code implementation • 21 Jun 2019 • Jorge Madrid, Hugo Jair Escalante, Eduardo Morales
Recent progress in AutoML has lead to state-of-the-art methods (e. g., AutoSKLearn) that can be readily used by non-experts to approach any supervised learning problem.
no code implementations • Springer Cham 2019 • Isabelle Guyon, Lisheng Sun-Hosoya, Marc Boullé, Hugo Jair Escalante, Sergio Escalera, Zhengying Liu, Damir Jajetic, Bisakha Ray, Mehreen Saeed, Michèle Sebag, Alexander Statnikov, WeiWei Tu, Evelyne Viegas
The solutions of the winners are systematically benchmarked over all datasets of all rounds and compared with canonical machine learning algorithms available in scikit-learn.
Ranked #1 on AutoML on Chalearn-AutoML-1
no code implementations • 12 Mar 2019 • Hugo Jair Escalante, Wei-Wei Tu, Isabelle Guyon, Daniel L. Silver, Evelyne Viegas, Yuqiang Chen, Wenyuan Dai, Qiang Yang
We organized a competition on Autonomous Lifelong Machine Learning with Drift that was part of the competition program of NeurIPS 2018.
no code implementations • NAACL 2018 • Adrian Pastor L{\'o}pez-Monroy, Fabio A. Gonz{\'a}lez, Manuel Montes, Hugo Jair Escalante, Thamar Solorio
The intensive use of e-communications in everyday life has given rise to new threats and risks.
no code implementations • 28 May 2018 • Miguel A. Alvarez-Carmona, Luis Pellegrin, Manuel Montes-y-Gómez, Fernando Sánchez-Vega, Hugo Jair Escalante, A. Pastor López-Monroy, Luis Villaseñor-Pineda, Esaú Villatoro-Tello
The goal of Author Profiling (AP) is to identify demographic aspects (e. g., age, gender) from a given set of authors by analyzing their written texts.
no code implementations • 21 Apr 2018 • Julio C. S. Jacques Junior, Yağmur Güçlütürk, Marc Pérez, Umut Güçlü, Carlos Andujar, Xavier Baró, Hugo Jair Escalante, Isabelle Guyon, Marcel A. J. van Gerven, Rob Van Lier, Sergio Escalera
However, recently there has been an increasing interest from the computer vision community in analyzing personality from visual data.
no code implementations • 20 Feb 2018 • Lino Rodriguez-Coayahuitl, Alicia Morales-Reyes, Hugo Jair Escalante
Genetic Programming (GP) is an evolutionary algorithm commonly used for machine learning tasks.
no code implementations • 2 Feb 2018 • Hugo Jair Escalante, Heysem Kaya, Albert Ali Salah, Sergio Escalera, Yagmur Gucluturk, Umut Guclu, Xavier Baro, Isabelle Guyon, Julio Jacques Junior, Meysam Madadi, Stephane Ayache, Evelyne Viegas, Furkan Gurpinar, Achmadnoer Sukma Wicaksana, Cynthia C. S. Liem, Marcel A. J. van Gerven, Rob van Lier
Explainability and interpretability are two critical aspects of decision support systems.
no code implementations • 22 Jun 2017 • Jorge de la Calleja, Elsa M. de la Calleja, Hugo Jair Escalante
In this report we present experimental results using \emph{Haussdorf-Besicovich} fractal dimension for performing morphological galaxy classification.
no code implementations • 10 Jan 2017 • Sergio Escalera, Xavier Baró, Hugo Jair Escalante, Isabelle Guyon
This paper reviews associated events, and introduces the ChaLearn LAP platform where public resources (including code, data and preprints of papers) related to the organized events are available.
no code implementations • 2016 IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) 2016 • Sergio Escalera, Mercedes Torres Torres, Brais Martínez, Xavier Baró, Hugo Jair Escalante, Isabelle Guyon, Georgios Tzimiropoulos, Ciprian Corneanu, Marc Oliu, Mohammad Ali Bagheri, Michel Valstar
A custom-build application was used to collect and label data about the apparent age of people (as opposed to the real age).
Ranked #2 on Gender Prediction on FotW Gender
no code implementations • 20 Sep 2015 • Hugo Jair Escalante, Manuel Montes-y-Gómez, Luis Villaseñor-Pineda, Marcelo Luis Errecalde
A document is processed as a sequence of terms, and the goal is to devise a method that can make predictions as fast as possible.
no code implementations • 2 Oct 2014 • Hugo Jair Escalante, Mauricio A. García-Limón, Alicia Morales-Reyes, Mario Graff, Manuel Montes-y-Gómez, Eduardo F. Morales
We propose in this article a genetic program that aims at learning effective TWSs that can improve the performance of current schemes in text classification.
no code implementations • 17 Oct 2013 • Hugo Jair Escalante, Isabelle Guyon, Vassilis Athitsos, Pat Jangyodsuk, Jun Wan
In the considered scenario a single training-video is available for each gesture to be recognized, which limits the application of traditional techniques (e. g., HMMs).
no code implementations • 11 Jul 2011 • Jonás Velasco, Mario A. Saucedo-Espinosa, Hugo Jair Escalante, Karlo Mendoza, César Emilio Villarreal-Rodríguez, Óscar L. Chacón-Mondragón, Adrián Rodríguez, Arturo Berrones
The main framework of the proposed method is an estimation of distribution algorithm, in which an adaptive Gibbs sampling is used to generate new promising solutions and, in combination with a local search strategy, it improves the individual solutions produced in each iteration.