Best-Shot Selection for Video Face Recognition Using FPGA. - Leonardo Chang 001; Ivis Rodés; Heydi Mendez Vazquez; Ernesto del Toro (CIARP, 2008)

A Hardware Architecture for SIFT Candidate Keypoints Detection. - Leonardo Chang 001; José Hernández Palancar (CIARP, 2009)

Object Class Recognition Using SIFT and Bayesian Networks. - Leonardo Chang 001; Miriam Monica Duarte; Luis Enrique Sucar; Eduardo F. Morales 001 (MICAI (2), 2010)

Evaluación de la calidad de las imágenes de rostros utilizadas para la identificación de las personas. - Heydi Méndez-Vázquez; Leonardo Chang 001; Dayron Rizo-Rodriguez; Annette Morales-González (Computación y Sistemas, 2012)

A Bayesian approach for object classification based on clusters of SIFT local features. - Leonardo Chang 001; Miriam Monica Duarte; Luis Enrique Sucar; Eduardo F. Morales 001 (Expert Syst. Appl., 2012)

Facial Landmarks Detection Using Extended Profile LBP-Based Active Shape Models. - Nelson Méndez Llanes; Leonardo Chang 001; Yenisel Plasencia Calana; Heydi Méndez-Vázquez (CIARP (2), 2013)

FPGA-based detection of SIFT interest keypoints. - Leonardo Chang 001; José Hernández Palancar; Luis Enrique Sucar; Miguel O. Arias-Estrada (Mach. Vis. Appl., 2013)

Partial Shape Matching and Retrieval under Occlusion and Noise. - Leonardo Chang 001; Miguel O. Arias-Estrada; José Hernández Palancar; Luis Enrique Sucar (CIARP, 2014)

Efficient Overlapping Document Clustering Using GPUs and Multi-core Systems. - Lázaro J. González Soler; Airel Pérez Suárez; Leonardo Chang 001 (CIARP, 2014)

An Efficient Shape Feature Extraction, Description and Matching Method Using GPU. - Leonardo Chang 001; Miguel O. Arias-Estrada; José Hernández Palancar; Luis Enrique Sucar (ICPRAM (Selected Papers), 2014)

LISF: An Invariant Local Shape Features Descriptor Robust to Occlusion. - Leonardo Chang 001; Miguel O. Arias-Estrada; Luis Enrique Sucar; José Hernández Palancar (ICPRAM, 2014)

Assessing the Distinctiveness and Representativeness of Visual Vocabularies. - Leonardo Chang 001; Airel Pérez Suárez; Máximo Rodríguez-Collada; José Hernández Palancar; Miguel O. Arias-Estrada; Luis Enrique Sucar (CIARP, 2015)

Efficient video face recognition by using Fisher Vector encoding of binary features. - Yoanna Martínez-Díaz; Leonardo Chang 001; Noslén Hernández; Heydi Mendez Vazquez; Luis Enrique Sucar (ICPR, 2016)

Fingerprint Presentation Attack Detection Method Based on a Bag-of-Words Approach. - Lázaro Janier González-Soler; Leonardo Chang 001; José Hernández Palancar; Airel Pérez Suárez; Marta Gomez-Barrero (CIARP, 2017)

Efficient and Effective Face Frontalization for Face Recognition in the Wild. - Nelson Méndez Llanes; Luis A. Bouza; Leonardo Chang 001; Heydi Méndez-Vázquez (CIARP, 2017)

Improving visual vocabularies: a more discriminative, representative and compact bag of visual words. - Leonardo Chang 001; Airel Pérez Suárez; José Hernández Palancar; Miguel Arias-Estrada; Luis Enrique Sucar (Informatica (Slovenia), 2017)

Toward More Realistic Face Recognition Evaluation Protocols for the YouTube Faces Database. - Yoanna Martínez-Díaz; Heydi Méndez-Vázquez; Leyanis López-Avila; Leonardo Chang 001; Luis Enrique Sucar; Massimo Tistarelli (CVPR Workshops, 2018)

On Fisher vector encoding of binary features for video face recognition. - Yoanna Martínez-Díaz; Noslén Hernández-González; Rolando J. Biscay; Leonardo Chang 001; Heydi Méndez-Vázquez; Luis Enrique Sucar (J. Vis. Commun. Image Represent., 2018)

Mejoras al algoritmo de trayectorias densas para el reconocimiento de acciones en video. - Fernando Camarena; Leonardo Chang 001; Miguel González-Mendoza 001 (Res. Comput. Sci., 2018)

Recopilación de bases de datos de estacionamientos para aplicaciones en visión computacional. - Nisim Hurst Tarrab; Leonardo Chang 001; Miguel González-Mendoza 001 (Res. Comput. Sci., 2018)

On the Impact of Different Fabrication Materials on Fingerprint Presentation Attack Detection. - Lázaro J. González Soler; Marta Gomez-Barrero; Leonardo Chang 001; Airel Pérez Suárez; Christoph Busch 001 (ICB, 2019)

ShuffleFaceNet: A Lightweight Face Architecture for Efficient and Highly-Accurate Face Recognition. - Yoanna Martínez-Díaz; Luis S. Luevano; Heydi Mendez Vazquez; Miguel Nicolás-Díaz; Leonardo Chang 001; Miguel González-Mendoza 001 (ICCV Workshops, 2019)

Improving the Dense Trajectories Approach Towards Efficient Recognition of Simple Human Activities. - Fernando Camarena; Leonardo Chang 001; Miguel González-Mendoza 001 (IWBF, 2019)

Effective and Generalizable Graph-Based Clustering for Faces in the Wild. - Leonardo Chang 001; Airel Pérez Suárez; Miguel González-Mendoza 001 (Comput. Intell. Neurosci., 2019)

Lightweight Low-Resolution Face Recognition for Surveillance Applications. - Yoanna Martínez-Díaz; Heydi Méndez-Vázquez; Luis S. Luevano; Leonardo Chang 001; Miguel González-Mendoza 001 (ICPR, 2020)

Exploitation of Deaths Registry in Mexico to Estimate the Total Deaths by Influenza Virus: A Preparation to Estimate the Advancement of COVID-19. - Emmanuel Byrd; Miguel González-Mendoza 001; Leonardo Chang 001 (MICAI (1), 2020)

A Bop and Beyond: A Second Order Optimizer for Binarized Neural Networks. - Cuauhtemoc Daniel Suarez-Ramirez; Miguel González-Mendoza 001; Leonardo Chang 001; Gilberto Ochoa-Ruiz; Mario Alberto Duran-Vega (CVPR Workshops, 2021)

Assessing YOLACT++ for real time and robust instance segmentation of medical instruments in endoscopic procedures. - Juan Carlos Angeles Ceron; Leonardo Chang 001; Gilberto Ochoa Ruiz; Sharib Ali (EMBC, 2021)

Real Time Distraction Detection by Facial Attributes Recognition. - Andrés Alberto López Esquivel; Miguel González-Mendoza 001; Leonardo Chang 001; Antonio Marín-Hernández (MICAI (1), 2021)

Deep Learning Architectures Applied to Mosquito Count Regressions in US Datasets. - Cuauhtemoc Daniel Suarez-Ramirez; Mario Alberto Duran-Vega; Héctor M. Sánchez C.; Miguel González-Mendoza 001; Leonardo Chang 001; John M. Marshall (MICAI (1), 2021)

Fingerprint Presentation Attack Detection Based on Local Features Encoding for Unknown Attacks. - Lázaro Janier González-Soler; Marta Gomez-Barrero; Leonardo Chang 001; Airel Pérez Suárez; Christoph Busch 001 (IEEE Access, 2021)

A Study on the Performance of Unconstrained Very Low Resolution Face Recognition: Analyzing Current Trends and New Research Directions. - Luis S. Luevano; Leonardo Chang 001; Heydi Méndez-Vázquez; Yoanna Martínez-Díaz; Miguel González-Mendoza 001 (IEEE Access, 2021)

Benchmarking lightweight face architectures on specific face recognition scenarios. - Yoanna Martínez-Díaz; Miguel Nicolás-Díaz; Heydi Méndez-Vázquez; Luis S. Luevano; Leonardo Chang 001; Miguel González-Mendoza 001; Luis Enrique Sucar (Artif. Intell. Rev., 2021)

TYolov5: A Temporal Yolov5 Detector Based on Quasi-Recurrent Neural Networks for Real-Time Handgun Detection in Video. - Mario Alberto Duran-Vega; Miguel González-Mendoza 001; Leonardo Chang 001; Cuauhtemoc Daniel Suarez-Ramirez (CoRR, 2021)

Local feature encoding for unknown presentation attack detection: An analysis of different local feature descriptors. - Lázaro J. González Soler; Marta Gomez-Barrero; Jascha Kolberg; Leonardo Chang 001; Airel Pérez Suárez; Christoph Busch 001 (IET Biom., 2021)

A Study of the Frameworks for Digital Humans: Analyzing Facial Tracking evolution and New Research Directions with AI. - Carlos Vilchis; Miguel González-Mendoza 001; Leonardo Chang 001; Sergio A. Navarro-Tuch; Gilberto Ochoa Ruiz; Isaac Rudomín (VISIGRAPP (2: HUCAPP), 2022)

Towards Accurate and Lightweight Masked Face Recognition: An Experimental Evaluation. - Yoanna Martínez-Díaz; Heydi Méndez-Vázquez; Luis S. Luevano; Miguel Nicolás-Díaz; Leonardo Chang 001; Miguel González-Mendoza 001 (IEEE Access, 2022)

Real-time instance segmentation of surgical instruments using attention and multi-scale feature fusion. - Juan Carlos Angeles Ceron; Gilberto Ochoa Ruiz; Leonardo Chang 001; Sharib Ali (Medical Image Anal., 2022)

Action recognition by key trajectories. - Fernando Camarena; Leonardo Chang 001; Miguel González-Mendoza 001; Ricardo J. Cuevas-Ascencio (Pattern Anal. Appl., 2022)

Correction to: Action recognition by key trajectories. - Fernando Camarena; Leonardo Chang 001; Miguel González-Mendoza 001; Ricardo J. Cuevas-Ascencio (Pattern Anal. Appl., 2022)

Knowledge Distillation in Video-Based Human Action Recognition: An Intuitive Approach to Efficient and Flexible Model Training. - Fernando Camarena; Miguel González-Mendoza 001; Leonardo Chang 001 (J. Imaging, 2024)