About Jianqiang
Chinese
Native or bilingual
English
Fluent
French
Conversational
Experience
- DXOMARKMachine Learning Engineer (ComputerVision)January 2024 - June 2025 (1 year and 5 months)Paris, FranceA consulting firmspecializing in image quality assessment.• • Design guidelines and prepare training data for image quality annotations.• • Design machine learning pipelines from model training to production. Keywords: data analysis, model design (RESNET, VIT, SWIN Transformers, etc.), model deployment, image signal processing, color science.
- OCUSData Scientist (ComputerVision)September 2022 - January 2024 (1 year and 4 months)Paris, FranceA middle-sizestartup that harnesses thepower of tech toproducesmart visual content and help brands and creators thrive.• • Trained several high-accuracy classification models, e.g., watermarks, texts, and logos in one image (data preparation, guidelines definition, 3rd-party and manual annotation, and model fine-tuning).• • Pilots owner: The product owner of experimental projects following the client's requirements. Keywords: model tuning & evaluation, algorithm design, API integration, OpenCV, Pytorch, Amazon EC2 & S3.
- FlyinstinctSenior Solution ScientistJune 2020 - September 2022 (2 years and 3 months)Paris, FranceAstartup thatprovidessolutions based on computer vision technology to industrialproducts for airport runway FOD (foreign object debris) detection.• • Introduced an instant segmentation model (i.e., Faster-RCNN), which reduces more than 70% system false-positive errors.• • Delivered a 3D-vision based module (i.e., Orthophoto), which yields better detection performance.• • Invented an approach to match images with different luminosity (more efficient than the state-of-the-art, e.g.,histogram-matching or Gamma-correction), which improves 50% of object detection rate.• • Designed a localization algorithm based on perspective transform, leading to an increase of the detection rate from < 10% to > 90%. Keywords: proof of concept, algorithm design, computer vision, object detection & segmentation, machine & deep learning, data analysis, computer networking.
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Education
- Ph.D. in Theoretical PhysicsÉcole Polytechnique2016Ph.D. in Theoretical Physics
- Master ofÉcole Normale Supérieure de Cachan2012Master of