Leonardo Chang

Publication Activity (10 Years)

Years Active: 2008-2022
Publications (10 Years): 27

Top Topics

Attack Detection

Binary Features

Face Recognition

Top Venues

Publications

Yoanna Martínez-Díaz, Heydi Méndez-Vázquez, Luis S. Luevano, Miguel Nicolás-Díaz, Leonardo Chang, Miguel González-Mendoza
Towards Accurate and Lightweight Masked Face Recognition: An Experimental Evaluation. IEEE Access 10 (2022)
Lázaro J. González Soler, Marta Gomez-Barrero, Jascha Kolberg, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
Local feature encoding for unknown presentation attack detection: An analysis of different local feature descriptors. IET Biom. 10 (4) (2021)
Juan Carlos Angeles Ceron, Leonardo Chang, Gilberto Ochoa-Ruiz, Sharib Ali
Assessing YOLACT++ for real time and robust instance segmentation of medical instruments in endoscopic procedures. CoRR (2021)
Lázaro Janier González-Soler, Marta Gomez-Barrero, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
Fingerprint Presentation Attack Detection Based on Local Features Encoding for Unknown Attacks. IEEE Access 9 (2021)
Cuauhtemoc Daniel Suarez-Ramirez, Miguel González-Mendoza, Leonardo Chang, Gilberto Ochoa-Ruiz, Mario Alberto Duran-Vega
A Bop and Beyond: A Second Order Optimizer for Binarized Neural Networks. CVPR Workshops (2021)
Andrés Alberto López Esquivel, Miguel González-Mendoza, Leonardo Chang, Antonio Marín-Hernández
Real Time Distraction Detection by Facial Attributes Recognition. MICAI (1) (2021)
Juan Carlos Angeles Ceron, Leonardo Chang, Gilberto Ochoa Ruiz, Sharib Ali
Assessing YOLACT++ for real time and robust instance segmentation of medical instruments in endoscopic procedures. EMBC (2021)
Juan Carlos Angeles Ceron, Gilberto Ochoa-Ruiz, Leonardo Chang, Sharib Ali
Real-time Instance Segmentation of Surgical Instruments using Attention and Multi-scale Feature Fusion. CoRR (2021)
Yoanna Martínez-Díaz, Miguel Nicolás-Díaz, Heydi Méndez-Vázquez, Luis S. Luevano, Leonardo Chang, Miguel González-Mendoza, Luis Enrique Sucar
Benchmarking lightweight face architectures on specific face recognition scenarios. Artif. Intell. Rev. 54 (8) (2021)
Luis S. Luevano, Leonardo Chang, Heydi Méndez-Vázquez, Yoanna Martínez-Díaz, Miguel González-Mendoza
A Study on the Performance of Unconstrained Very Low Resolution Face Recognition: Analyzing Current Trends and New Research Directions. IEEE Access 9 (2021)
Cuauhtemoc Daniel Suarez-Ramirez, Mario Alberto Duran-Vega, Héctor M. Sánchez C., Miguel González-Mendoza, Leonardo Chang, John M. Marshall
Deep Learning Architectures Applied to Mosquito Count Regressions in US Datasets. MICAI (1) (2021)
Mario Alberto Duran-Vega, Miguel González-Mendoza, Leonardo Chang, Cuauhtemoc Daniel Suarez-Ramirez
TYolov5: A Temporal Yolov5 Detector Based on Quasi-Recurrent Neural Networks for Real-Time Handgun Detection in Video. CoRR (2021)
Yoanna Martínez-Díaz, Heydi Méndez-Vázquez, Luis S. Luevano, Leonardo Chang, Miguel González-Mendoza
Lightweight Low-Resolution Face Recognition for Surveillance Applications. ICPR (2020)
Emmanuel Byrd, Miguel González-Mendoza, Leonardo Chang
Exploitation of Deaths Registry in Mexico to Estimate the Total Deaths by Influenza Virus: A Preparation to Estimate the Advancement of COVID-19. MICAI (1) (2020)
Leonardo Chang, Airel Pérez Suárez, Miguel González-Mendoza
Effective and Generalizable Graph-Based Clustering for Faces in the Wild. Comput. Intell. Neurosci. 2019 (2019)
Lázaro J. González Soler, Marta Gomez-Barrero, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
On the Impact of Different Fabrication Materials on Fingerprint Presentation Attack Detection. ICB (2019)
Lázaro J. González Soler, Marta Gomez-Barrero, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
Fingerprint Presentation Attack Detection Based on Local Features Encoding for Unknown Attacks. CoRR (2019)
Yoanna Martínez-Díaz, Luis S. Luevano, Heydi Mendez Vazquez, Miguel Nicolás-Díaz, Leonardo Chang, Miguel González-Mendoza
ShuffleFaceNet: A Lightweight Face Architecture for Efficient and Highly-Accurate Face Recognition. ICCV Workshops (2019)
Fernando Camarena, Leonardo Chang, Miguel González-Mendoza
Improving the Dense Trajectories Approach Towards Efficient Recognition of Simple Human Activities. IWBF (2019)
Nisim Hurst Tarrab, Leonardo Chang, Miguel González-Mendoza
Recopilación de bases de datos de estacionamientos para aplicaciones en visión computacional. Res. Comput. Sci. 147 (7) (2018)
Yoanna Martínez-Díaz, Heydi Méndez-Vázquez, Leyanis López-Avila, Leonardo Chang, Luis Enrique Sucar, Massimo Tistarelli
Toward More Realistic Face Recognition Evaluation Protocols for the YouTube Faces Database. CVPR Workshops (2018)
Yoanna Martínez-Díaz, Noslén Hernández-González, Rolando J. Biscay, Leonardo Chang, Heydi Méndez-Vázquez, Luis Enrique Sucar
On Fisher vector encoding of binary features for video face recognition. J. Vis. Commun. Image Represent. 51 (2018)
Fernando Camarena, Leonardo Chang, Miguel González-Mendoza
Mejoras al algoritmo de trayectorias densas para el reconocimiento de acciones en video. Res. Comput. Sci. 147 (7) (2018)
Nelson Méndez Llanes, Luis A. Bouza, Leonardo Chang, Heydi Méndez-Vázquez
Efficient and Effective Face Frontalization for Face Recognition in the Wild. CIARP (2017)
Leonardo Chang, Airel Pérez Suárez, José Hernández Palancar, Miguel Arias-Estrada, Luis Enrique Sucar
Improving visual vocabularies: a more discriminative, representative and compact bag of visual words. Informatica (Slovenia) 41 (3) (2017)
Lázaro Janier González-Soler, Leonardo Chang, José Hernández Palancar, Airel Pérez Suárez, Marta Gomez-Barrero
Fingerprint Presentation Attack Detection Method Based on a Bag-of-Words Approach. CIARP (2017)
Yoanna Martínez-Díaz, Leonardo Chang, Noslén Hernández, Heydi Mendez Vazquez, Luis Enrique Sucar
Efficient video face recognition by using Fisher Vector encoding of binary features. ICPR (2016)
Leonardo Chang, Airel Pérez Suárez, Máximo Rodríguez-Collada, José Hernández Palancar, Miguel O. Arias-Estrada, Luis Enrique Sucar
Assessing the Distinctiveness and Representativeness of Visual Vocabularies. CIARP (2015)
Leonardo Chang, Miguel O. Arias-Estrada, José Hernández Palancar, Luis Enrique Sucar
Partial Shape Matching and Retrieval under Occlusion and Noise. CIARP (2014)
Leonardo Chang, Miguel O. Arias-Estrada, Luis Enrique Sucar, José Hernández Palancar
LISF: An Invariant Local Shape Features Descriptor Robust to Occlusion. ICPRAM (2014)
Lázaro J. González Soler, Airel Pérez Suárez, Leonardo Chang
Efficient Overlapping Document Clustering Using GPUs and Multi-core Systems. CIARP (2014)
Leonardo Chang, Miguel O. Arias-Estrada, José Hernández Palancar, Luis Enrique Sucar
An Efficient Shape Feature Extraction, Description and Matching Method Using GPU. ICPRAM (Selected Papers) (2014)
Nelson Méndez Llanes, Leonardo Chang, Yenisel Plasencia Calana, Heydi Méndez-Vázquez
Facial Landmarks Detection Using Extended Profile LBP-Based Active Shape Models. CIARP (2) (2013)
Leonardo Chang, José Hernández Palancar, Luis Enrique Sucar, Miguel O. Arias-Estrada
FPGA-based detection of SIFT interest keypoints. Mach. Vis. Appl. 24 (2) (2013)
Heydi Méndez-Vázquez, Leonardo Chang, Dayron Rizo-Rodriguez, Annette Morales-González
Evaluación de la calidad de las imágenes de rostros utilizadas para la identificación de las personas. Computación y Sistemas 16 (2) (2012)
Leonardo Chang, Miriam Monica Duarte, Luis Enrique Sucar, Eduardo F. Morales
A Bayesian approach for object classification based on clusters of SIFT local features. Expert Syst. Appl. 39 (2) (2012)
Leonardo Chang, Miriam Monica Duarte, Luis Enrique Sucar, Eduardo F. Morales
Object Class Recognition Using SIFT and Bayesian Networks. MICAI (2) (2010)
Leonardo Chang, José Hernández Palancar
A Hardware Architecture for SIFT Candidate Keypoints Detection. CIARP (2009)
Leonardo Chang, Ivis Rodés, Heydi Mendez Vazquez, Ernesto del Toro
Best-Shot Selection for Video Face Recognition Using FPGA. CIARP (2008)