Guinther Kovalski da Costa
Verified Expert in Engineering
Computer Vision Engineer and Developer
Curitiba - State of Paraná, Brazil
Toptal member since May 25, 2023
Guinther is a highly skilled computer vision engineer with 5+ years of experience building systems with millions of users. Specializing in deep learning, object detection, tracking, recognition, and algorithms, he excels at breaking complex, open-scope problems into actionable plans by determining tasks and objectives. Guinther successfully defines processing hardware, camera positioning, data requirements, system architecture, and everything involved in transforming pixels into real value.
Portfolio
Experience
- Linux - 5 years
- OpenCV - 5 years
- Computer Vision - 5 years
- Deep Learning - 5 years
- Python - 5 years
- PyTorch - 4 years
- Docker - 3 years
- Point Clouds - 3 years
Preferred Environment
Linux, Python, Docker, C++, OpenCV
The most amazing...
...thing I've developed is a solution based on computer vision that optimizes the airplane boarding process and is used in 20 airports in Brazil.
Work Experience
Computer Vision Engineer
PixLog
- Developed an algorithm to work with iPhone LiDAR and get measurement errors below 2% through advanced mathematical modeling and machine learning.
- Improved the overall system performance by 20%, meeting the industry standards for 100x more expensive measurement systems in the market.
- Deployed a computer vision model in very constrained hardware.
Computer Vision Engineer
Pacer
- Reduced the infrastructure deployment costs by 30%.
- Created MLOps pipelines for model retraining–using Bayesian optimization–deployment, and experiment tracking.
- Implemented the whole inference pipeline in C++ for constrained hardware.
Data Scientist
Grupo ABL
- Automated quality assurance tasks related to hearing and searching for specific words.
- Created and deployed a dashboard with employee id level information and multiple KPIs.
- Built machine learning models to extract conversation topics and classify customer necessities based on brief audio descriptions.
Machine Learning Researcher
Groupe Renault
- Created a proof of concept for an automatic assembly fault detection system.
- Worked with senior manufacturing engineers in projecting the final system.
- Published research papers with non-sensitive data and findings.
Experience
Object Detection and Distance Measurement
https://github.com/GuintherKovalski/realsense_bidings_with_yolov5Education
Master's Degree in Deep Learning
Pontifical Catholic University of Paraná - Curitiba, Paraná, Brazil
Bachelor's Degree in Robotics
Pontifical Catholic University of Paraná - Curitiba, Paraná, Brazil
Certifications
DL0110EN: Deep Learning with Python and PyTorch
IBM | via edX
Skills
Libraries/APIs
OpenCV, PyTorch, Scikit-learn, Pandas, NumPy, Matplotlib, Natural Language Toolkit (NLTK), Keras, PCL
Tools
Open Neural Network Exchange (ONNX)
Languages
C++, Python
Platforms
Linux, Docker
Frameworks
TensorFlow Lite
Other
Data Science, Deep Learning, Computer Vision, Machine Learning, Image Recognition, Artificial Intelligence (AI), Computer Vision Algorithms, Statistics, Linear Algebra, Image Processing, Point Clouds, 3D Scanning, Algorithms, Signal Processing, Photogrammetry, Librosa
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