Leonardo Chang

44 papers B 2C 8Journal 21Unranked 13
YearRankTypeTitle / Venue / Authors
2024 J jnl
Knowledge Distillation in Video-Based Human Action Recognition: An Intuitive Approach to Efficient and Flexible Model Training.
J. Imaging
Fernando Camarena, Miguel González-Mendoza, Leonardo Chang
2022 — conf
A Study of the Frameworks for Digital Humans: Analyzing Facial Tracking evolution and New Research Directions with AI.
VISIGRAPP (2: HUCAPP)
Carlos Vilchis, Miguel González-Mendoza, Leonardo Chang, Sergio A. Navarro-Tuch, Gilberto Ochoa Ruiz, Isaac Rudomín
2022 J jnl
Action recognition by key trajectories.
Pattern Anal. Appl.
Fernando Camarena, Leonardo Chang, Miguel González-Mendoza, Ricardo J. Cuevas-Ascencio
2022 J jnl
Correction to: Action recognition by key trajectories.
Pattern Anal. Appl.
Fernando Camarena, Leonardo Chang, Miguel González-Mendoza, Ricardo J. Cuevas-Ascencio
2022 J jnl
Real-time instance segmentation of surgical instruments using attention and multi-scale feature fusion.
Medical Image Anal.
Juan Carlos Angeles Ceron, Gilberto Ochoa Ruiz, Leonardo Chang, Sharib Ali
2022 J jnl
Towards Accurate and Lightweight Masked Face Recognition: An Experimental Evaluation.
IEEE Access
Yoanna Martínez-Díaz, Heydi Méndez-Vázquez, Luis S. Luevano, Miguel Nicolás-Díaz, Leonardo Chang, Miguel González-Mendoza
2021 — conf
A Bop and Beyond: A Second Order Optimizer for Binarized Neural Networks.
CVPR Workshops
Cuauhtemoc Daniel Suarez-Ramirez, Miguel González-Mendoza, Leonardo Chang, Gilberto Ochoa-Ruiz, Mario Alberto Duran-Vega
2021 J jnl
A Study on the Performance of Unconstrained Very Low Resolution Face Recognition: Analyzing Current Trends and New Research Directions.
IEEE Access
Luis S. Luevano, Leonardo Chang, Heydi Méndez-Vázquez, Yoanna Martínez-Díaz, Miguel González-Mendoza
2021 — conf
Assessing YOLACT++ for real time and robust instance segmentation of medical instruments in endoscopic procedures.
EMBC
Juan Carlos Angeles Ceron, Leonardo Chang, Gilberto Ochoa Ruiz, Sharib Ali
2021 J jnl
Assessing YOLACT++ for real time and robust instance segmentation of medical instruments in endoscopic procedures.
CoRR
Juan Carlos Angeles Ceron, Leonardo Chang, Gilberto Ochoa-Ruiz, Sharib Ali
2021 J jnl
Benchmarking lightweight face architectures on specific face recognition scenarios.
Artif. Intell. Rev.
Yoanna Martínez-Díaz, Miguel Nicolás-Díaz, Heydi Méndez-Vázquez, Luis S. Luevano, Leonardo Chang, Miguel González-Mendoza, Luis Enrique Sucar
2021 — conf
Deep Learning Architectures Applied to Mosquito Count Regressions in US Datasets.
MICAI (1)
Cuauhtemoc Daniel Suarez-Ramirez, Mario Alberto Duran-Vega, Héctor M. Sánchez C., Miguel González-Mendoza, Leonardo Chang, John M. Marshall
2021 J jnl
Fingerprint Presentation Attack Detection Based on Local Features Encoding for Unknown Attacks.
IEEE Access
Lázaro Janier González-Soler, Marta Gomez-Barrero, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
2021 J jnl
Local feature encoding for unknown presentation attack detection: An analysis of different local feature descriptors.
IET Biom.
Lázaro J. González Soler, Marta Gomez-Barrero, Jascha Kolberg, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
2021 — conf
Real Time Distraction Detection by Facial Attributes Recognition.
MICAI (1)
Andrés Alberto López Esquivel, Miguel González-Mendoza, Leonardo Chang, Antonio Marín-Hernández
2021 J jnl
Real-time Instance Segmentation of Surgical Instruments using Attention and Multi-scale Feature Fusion.
CoRR
Juan Carlos Angeles Ceron, Gilberto Ochoa-Ruiz, Leonardo Chang, Sharib Ali
2021 J jnl
TYolov5: A Temporal Yolov5 Detector Based on Quasi-Recurrent Neural Networks for Real-Time Handgun Detection in Video.
CoRR
Mario Alberto Duran-Vega, Miguel González-Mendoza, Leonardo Chang, Cuauhtemoc Daniel Suarez-Ramirez
2020 — conf
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)
Emmanuel Byrd, Miguel González-Mendoza, Leonardo Chang
2020 B conf
Lightweight Low-Resolution Face Recognition for Surveillance Applications.
ICPR
Yoanna Martínez-Díaz, Heydi Méndez-Vázquez, Luis S. Luevano, Leonardo Chang, Miguel González-Mendoza
2019 J jnl
Effective and Generalizable Graph-Based Clustering for Faces in the Wild.
Comput. Intell. Neurosci.
Leonardo Chang, Airel Pérez Suárez, Miguel González-Mendoza
2019 J jnl
Fingerprint Presentation Attack Detection Based on Local Features Encoding for Unknown Attacks.
CoRR
Lázaro J. González Soler, Marta Gomez-Barrero, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
2019 — conf
Improving the Dense Trajectories Approach Towards Efficient Recognition of Simple Human Activities.
IWBF
Fernando Camarena, Leonardo Chang, Miguel González-Mendoza
2019 — conf
On the Impact of Different Fabrication Materials on Fingerprint Presentation Attack Detection.
ICB
Lázaro J. González Soler, Marta Gomez-Barrero, Leonardo Chang, Airel Pérez Suárez, Christoph Busch
2019 — conf
ShuffleFaceNet: A Lightweight Face Architecture for Efficient and Highly-Accurate Face Recognition.
ICCV Workshops
Yoanna Martínez-Díaz, Luis S. Luevano, Heydi Mendez Vazquez, Miguel Nicolás-Díaz, Leonardo Chang, Miguel González-Mendoza
2018 J jnl
Mejoras al algoritmo de trayectorias densas para el reconocimiento de acciones en video.
Res. Comput. Sci.
Fernando Camarena, Leonardo Chang, Miguel González-Mendoza
2018 J jnl
On Fisher vector encoding of binary features for video face recognition.
J. Vis. Commun. Image Represent.
Yoanna Martínez-Díaz, Noslén Hernández-González, Rolando J. Biscay, Leonardo Chang, Heydi Méndez-Vázquez, Luis Enrique Sucar
2018 J jnl
Recopilación de bases de datos de estacionamientos para aplicaciones en visión computacional.
Res. Comput. Sci.
Nisim Hurst Tarrab, Leonardo Chang, Miguel González-Mendoza
2018 — conf
Toward More Realistic Face Recognition Evaluation Protocols for the YouTube Faces Database.
CVPR Workshops
Yoanna Martínez-Díaz, Heydi Méndez-Vázquez, Leyanis López-Avila, Leonardo Chang, Luis Enrique Sucar, Massimo Tistarelli
2017 C conf
Efficient and Effective Face Frontalization for Face Recognition in the Wild.
CIARP
Nelson Méndez Llanes, Luis A. Bouza, Leonardo Chang, Heydi Méndez-Vázquez
2017 C conf
Fingerprint Presentation Attack Detection Method Based on a Bag-of-Words Approach.
CIARP
Lázaro Janier González-Soler, Leonardo Chang, José Hernández-Palancar, Airel Pérez Suárez, Marta Gomez-Barrero
2017 J jnl
Improving visual vocabularies: a more discriminative, representative and compact bag of visual words.
Informatica (Slovenia)
Leonardo Chang, Airel Pérez Suárez, José Hernández-Palancar, Miguel Arias-Estrada, Luis Enrique Sucar
2016 B conf
Efficient video face recognition by using Fisher Vector encoding of binary features.
ICPR
Yoanna Martínez-Díaz, Leonardo Chang, Noslén Hernández, Heydi Mendez Vazquez, Luis Enrique Sucar
2015 C conf
Assessing the Distinctiveness and Representativeness of Visual Vocabularies.
CIARP
Leonardo Chang, Airel Pérez Suárez, Máximo Rodríguez-Collada, José Hernández-Palancar, Miguel O. Arias-Estrada, Luis Enrique Sucar
2014 — conf
An Efficient Shape Feature Extraction, Description and Matching Method Using GPU.
ICPRAM (Selected Papers)
Leonardo Chang, Miguel O. Arias-Estrada, José Hernández-Palancar, Luis Enrique Sucar
2014 C conf
Efficient Overlapping Document Clustering Using GPUs and Multi-core Systems.
CIARP
Lázaro J. González Soler, Airel Pérez Suárez, Leonardo Chang
2014 C conf
LISF: An Invariant Local Shape Features Descriptor Robust to Occlusion.
ICPRAM
Leonardo Chang, Miguel O. Arias-Estrada, Luis Enrique Sucar, José Hernández-Palancar
2014 C conf
Partial Shape Matching and Retrieval under Occlusion and Noise.
CIARP
Leonardo Chang, Miguel O. Arias-Estrada, José Hernández-Palancar, Luis Enrique Sucar
2013 J jnl
FPGA-based detection of SIFT interest keypoints.
Mach. Vis. Appl.
Leonardo Chang, José Hernández-Palancar, Luis Enrique Sucar, Miguel O. Arias-Estrada
2013 — conf
Facial Landmarks Detection Using Extended Profile LBP-Based Active Shape Models.
CIARP (2)
Nelson Méndez Llanes, Leonardo Chang, Yenisel Plasencia Calana, Heydi Méndez-Vázquez
2012 J jnl
A Bayesian approach for object classification based on clusters of SIFT local features.
Expert Syst. Appl.
Leonardo Chang, Miriam Monica Duarte, Luis Enrique Sucar, Eduardo F. Morales
2012 J jnl
Evaluación de la calidad de las imágenes de rostros utilizadas para la identificación de las personas.
Computación y Sistemas
Heydi Méndez-Vázquez, Leonardo Chang, Dayron Rizo-Rodriguez, Annette Morales-González
2010 — conf
Object Class Recognition Using SIFT and Bayesian Networks.
MICAI (2)
Leonardo Chang, Miriam Monica Duarte, Luis Enrique Sucar, Eduardo F. Morales
2009 C conf
A Hardware Architecture for SIFT Candidate Keypoints Detection.
CIARP
Leonardo Chang, José Hernández-Palancar
2008 C conf
Best-Shot Selection for Video Face Recognition Using FPGA.
CIARP
Leonardo Chang, Ivis Rodés, Heydi Mendez Vazquez, Ernesto del Toro