Optimizing identity documents classification in online systems: A comparative analysis
IJDAR 2025
Olivier Lessard
Ph.D. Candidate in Computer Engineering
Polytechnique Montreal, MILA
olivier-lessard@videotron.ca
Montreal, QC, Canada
Research Interests:
Computer Vision, Deep Learning, Robot Learning
Education
Ph.D Computer Engineering, 2026-…
M.A.Sc. Computer Engineering, 2022
B.Eng. Electrical Engineering, 2021
Publications
Optimizing identity documents classification in online systems: A comparative analysis
IJDAR 2025
Talks
Revolutionizing Identity Verification: Deep Learning-based Facial Recognition for Identity Documents
Talk at ICDAR Workshop On Document Analysis Systems (DAS), Athens, Grece
Work experiences
Research Engineer, Humanitas Solutions, 2025
- Build AI agents using LLMs, NVIDIA DeepStream, sensor fusion, model optimization for autonomous robots
- Integrate visual odometry and SLAM solutions into to a fleet of drone simulation (Gazebo)
AI Product Manager, IMDS Software, 2023
- Won a tender for a new business opportunity by training a large-scale face recognition model on 40M images, develop a vehicle recognition system for mobile app
- Use transformer foundation models to improve cursive handwriting recognition with 20% CER reduction
- Manage a R&D team of 5 researchers and engineers on document analysis and facial recognition, define research areas and experimental design (OCR/HWR, CRNN, Vit, LLM, few-shot learning)
- Present as a speaker at the ICDAR 2024 conference a comprehensive document analysis system
- Collaborate with research labs form Rennes, LaRochelle and Paris Universities
Computer Vision Scientist, Enphase Energy, 2022
- Reconstruct 3D polygonal surfaces from depth images and LiDAR data
- Develop APIs and 2D object detectors (YOLO, MaskDino) for tree detection
Computer Vision Scientist Intern, Hydro-Quebec, 2020
- Segmenting images using ensemble methods (model averaging) for predictive maintenance
- Develop an end-to-end training pipeline with MLflow to manage AI models on cloud
Skills
- Programming: Python (4 years), C++ (2 years), Go (1 year), Java (1 years), Javascript (1 years)
- Libraries: PyTorch, Lightning, TF, Sk-learn, OpenCV, Open3D, ONNX, TensorRT, React, MLflow
- Tools: Git, Docker, AWS, GCP, Jira, Slurm, agile, MS Project, MQTT, PostgreSQL, NVIDIA DeepStream
- Bilingual: French; English
- Autonomy further developed during a student exchange and ease of integration
Other social and leadership experiences
AI Annotation Platform Project (Personal Initiative) 2025
- Develop a comprehensive AI platform (https://github.com/OlivierLessard/Hii-Annotation), demonstrating cross-functional expertise in cloud storage, database architecture, frontend development, UX, and zero-shot object detection
Student Committee Director (Polyrad) – Polytechnique Montréal 2020-2021
- Quickly adapting the committee’s projects in the context of a pandemic
- Maintain a long-term vision of the committee and build good relationships with partners
- Nomination as Director of the Year, members of the committee from 2016 to 2021, testifying to my sustained commitment and leadership abilities.
Student exchange in Belgium – Université libre de Bruxelles (ULB) Winter 2018
- Integrate quickly into new contexts, adapting to new teaching methods and working with multicultural teams