Andrews Cordolino Sobral

Profile

Ph.D. in Computer Vision and Machine Learning

Head of AI, ActiveEon, Paris, France

I am a computer vision specialist with over a decade of experience in research and industry, specializing in the intersection of Artificial Intelligence (AI), High-Performance Computing (HPC), and MLOps. As the Head of AI at ActiveEon, I lead a team of AI researchers to develop cutting-edge scalable AI workflows for distributed and parallel execution, including automated machine learning (AutoML) and hyperparameter optimization at scale.

Research Interests

• Computer Vision and Image Processing

• Machine Learning and Deep Learning

• Matrix and Tensor Methods for Data Decomposition

• Applied Mathematics and Optimization

Academic Background

• Ph.D. in Computer Vision and Pattern Recognition, University of La Rochelle, France

• Thesis: “Robust Low-Rank and Sparse Decomposition for Moving Object Detection: From Matrices to Tensors”

M.Sc. in Mechatronics Engineering, Federal University of Bahia, Brazil

B.Sc. in Computer Engineering, AREA1 Engineering School, Brazil

Professional Expertise

• End-to-end AI Workflow Development

• Large-scale Distributed AI Systems (multi-node, multi-GPU)

• Deep Learning Applications for Object Detection and Anomaly Detection

• Real-time Image and Video Processing on Embedded Systems (NVIDIA Jetson, Raspberry Pi)

Academic Contributions

I have authored several open-source libraries, including:

• BGSLibrary (C/C++) and LRSLibrary (MATLAB), tools for moving object detection in videos.

• Peer reviewer for journals like IEEE, Elsevier, and Springer in the fields of AI and Computer Vision.

• My publications and citation profile can be accessed on Google Scholar.

Programming and Tools

• Languages: Python, C++, MATLAB, Java, PHP

• Frameworks: PyTorch, TensorFlow, OpenCV, H2O, Tensor Toolbox

• Platforms: NVIDIA RAPIDS, Docker, HPC environments

Recognition

My research on robust data decomposition techniques has been featured in top-tier journals and conferences. I’ve delivered invited talks on AI and computer vision topics at global venues, including IPGG Paris and RFIA.

Publications

Discovering Local Binary Pattern Equation for Foreground Object Removal in Videos

Caroline Silva, A. Sobral, A. Vacavant, T. Bouwmans, José A. M. Felippe De Souza

arXiv.org 2023

Automated Mathematical Equation Structure Discovery for Visual Analysis

Automated Mathematical Equation Structure Discovery for Visual Analysis

Caroline Silva, José Souza, A. Vacavant, T. Bouwmans, A. Sobral

Matrix and tensor completion algorithms for background model initialization: A comparative evaluation

Matrix and tensor completion algorithms for background model initialization: A comparative evaluation

A. Sobral, E. Zahzah

Pattern Recognition Letters 2017

Human Pose Estimation from Monocular Images: A Comprehensive Survey

Wenjuan Gong, Xuena Zhang, Jordi Gonzàlez, A. Sobral, T. Bouwmans, Changhe Tu, E. Zahzah

Italian National Conference on Sensors 2016

LRSLibrary: Low-Rank and Sparse tools for Background Modeling and Subtraction in Videos

A. Sobral, T. Bouwmans, E. Zahzah

Online Stochastic Tensor Decomposition for Background Subtraction in Multispectral Video Sequences

Online Stochastic Tensor Decomposition for Background Subtraction in Multispectral Video Sequences

A. Sobral, S. Javed, Soon Ki Jung, T. Bouwmans, E. Zahzah

2015 IEEE International Conference on Computer Vision Workshop (ICCVW) 2015

Background Subtraction via Superpixel-Based Online Matrix Decomposition with Structured Foreground Constraints

Background Subtraction via Superpixel-Based Online Matrix Decomposition with Structured Foreground Constraints

S. Javed, S. Oh, A. Sobral, T. Bouwmans, Soon Ki Jung

2015 IEEE International Conference on Computer Vision Workshop (ICCVW) 2015

Decomposition into Low-rank plus Additive Matrices for Background/Foreground Separation: A Review for a Comparative Evaluation with a Large-Scale Dataset

Decomposition into Low-rank plus Additive Matrices for Background/Foreground Separation: A Review for a Comparative Evaluation with a Large-Scale Dataset

T. Bouwmans, A. Sobral, S. Javed, Soon Ki Jung, E. Zahzah

Computer Science Review 2015

Comparison of Matrix Completion Algorithms for Background Initialization in Videos

A. Sobral, T. Bouwmans, E. Zahzah

ICIAP Workshops 2015

Double-constrained RPCA based on saliency maps for foreground detection in automated maritime surveillance

Double-constrained RPCA based on saliency maps for foreground detection in automated maritime surveillance

A. Sobral, T. Bouwmans, E. Zahzah

Advanced Video and Signal Based Surveillance 2015

OR-PCA with dynamic feature selection for robust background subtraction

OR-PCA with dynamic feature selection for robust background subtraction

S. Javed, A. Sobral, T. Bouwmans, Soon Ki Jung

ACM Symposium on Applied Computing 2015

OR-PCA with MRF for Robust Foreground Detection in Highly Dynamic Backgrounds

S. Javed, S. Oh, A. Sobral, T. Bouwmans, Soon Ki Jung

Asian Conference on Computer Vision 2014

Incremental and Multi-feature Tensor Subspace Learning Applied for Background Modeling and Subtraction

A. Sobral, C. Baker, T. Bouwmans, E. Zahzah

International Conference on Image Analysis and Recognition 2014

BGS Library: A Library Framework for Algorithm’s Evaluation in Foreground/Background Segmentation

A. Sobral, T. Bouwmans

A comprehensive review of background subtraction algorithms evaluated with synthetic and real videos

A comprehensive review of background subtraction algorithms evaluated with synthetic and real videos

A. Sobral, A. Vacavant

Computer Vision and Image Understanding 2014

Automated Mathematical Equation Structure Discovery for Visual Analysis

Caroline Silva, J. F. D. Souza, A. Vacavant, T. Bouwmans, A. Sobral

arXiv.org 2021

An automatic facial expression recognition system evaluated by different classifiers

An automatic facial expression recognition system evaluated by different classifiers

Caroline Silva, A. Sobral, R. T. Vieira

Highway Traffic Congestion Classification using Holistic Properties

A. Sobral, Luciano Oliveira, L. Schnitman, Felippe de Souza

HIGHWAY TRAFFIC CONGESTION CLASSIFICATION

HIGHWAY TRAFFIC CONGESTION CLASSIFICATION

A. Sobral, Luciano Oliveira, L. Schnitman