Alireza Dirafzoon
AI @ Meta Reality Labs | Entrepreneur
4.9
Years of Experience
Education
stanford university, udacity, north carolina state university, the university of new mexico, amirkabir university of technology tehran polytechnic, amirkabir university of technology tehran polytechnic
Companies
the inner guru school, facebook, samsung, samsung, samsung, north carolina state university
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Experience
2021 - 2021
the inner guru school
Creative Content Manager
Contributed to Samsung's Augmented Reality projects by developing machine learning and computer vision pipelines including: Head Pose Tracking, Dynamic Vision Sensors, and Sensor Fusion • Embedded deep learning development for real-time object recognition and tracking on mobile device for augmented reality applications • Localization and mapping on mobile device for 6DOF head pose tracking in VR/AR • Event based machine vision algorithm development for dynamic vision sensors
2020 - Present
facebook
Research Engineer | Facebook Reality Labs
Building futuristic products with AI: Natural Language Processing, Dialog Systems, Multimodal Understanding AI Systems
2016 - 2019
samsung
Sr. ML Engineer, Natural Language Processing & Speech Recognition | Bixby Product
•• Developed NLP and ASR solutions for Samsung's 1st voice assistant product (Bixby), available in over 200 countries •• Tech stack: Tesnorflow, pytorch, python, flask, spaCy, scikit-learn, AWS, S3 •• ML models: BiLSTM, CRF, Attention, Memory Networks, Transformer, Embeddings (BERT, Glove, Word2vec), CNN, Random Forest •• Projects: • The next-generation NLU parser for Bixby Product, to support multiple intents across multiple domains • Tech: dependency parsing, POS tagging, multi-task learning, transfer learning, random forest • Named Entity Recognition Service, to recognize and search named entities in real time ( for domains such as Music with millions of entities) • Tech: NER, hybrid character and word embeddings, transfer learning • Text normalization to spoken format for benchmarking ASR results from different APIs (Bixby, Google Assistant, Alexa, Cortana) • On-device speech recognition system running on mobile phones (POC) • End-to-end deep learning speech recognition system for dictation (POC) • Noisy label training algorithms for intent classification (Product) • Task oriented dialogue breakdown detection system (Research)
2015 - 2015
samsung
Computer Vision Intern
Wearable Controllers for Virtual Reality: - Developed software for integration of wearable motion controllers with IMU and EMG sensors (Nod, Myo) for hand gesture and motion input with Galaxy Gear VR (GVR) framework
2014 - 2014
samsung
Computer Vision Intern
- Conducted research in RGB-D mapping with mobile devices and depth sensors - Developed software for hand interaction with virtual reality (VR) using mobile device IMUs with Google cardboard - Conducted research in pattern recognition for food composition identification using spectroscopy
2012 - 2016
north carolina state university
PhD Researcher (Robotics, Applied Machine Learning)
- Research Area: Applied Machine Learning, Siganl Processing , and Computer Vision for Bio-Robotic Applications
Experience
35 Skills
Administrative
Algorithms
Amazon S3
Amazon Web Services (AWS)
Application Programming Interfaces (API)
Artificial Intelligence (AI)
Augmented Reality (AR)
BERT
Computer Vision
Convolutional Neural Networks (CNN)
Deep Learning
Design
Entrepreneurship
Flask
Machine Learning (ML)
Mobile
Music
Natural Language Processing (NLP)
NLU
Normalization
Parts-of-speech
Python
Pytorch
Random Forest
Research
Research Scientist
Robotics
Scikit
Scikit-Learn
Search
sensors
Speech Recognition
Virtual Reality (VR)
Vision
Word2Vec
Education
2018 - 2019
stanford university
Stanford Ignite, Certificate Program in Innovation and Entrepreneurship
Business Administration, Management and Operations
2018 - 2018
udacity
Nanodegree
Deep Learning
2012 - 2016
north carolina state university
Doctor of Philosophy (Ph.D.)
Electrical Engineering
2011 - 2012
the university of new mexico
Master of Science (M.S.)
Electrical Engineering
2007 - 2010
amirkabir university of technology tehran polytechnic
MS
Electrical Engineering
2003 - 2007
amirkabir university of technology tehran polytechnic
Bachelor's degree
Electrical Engineering
