David Colmenares, PhD
Machine Learning Research Scientist at Meta- Claim this Profile
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Bio
Credentials
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Rescue Diver
PADIApr, 2010- Oct, 2024 -
Alpine Ski Instructor
PSIA - AASI Professional Ski Instructors of America - American Association of Snowboard InstructorsDec, 2005- Oct, 2024
Experience
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Meta
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French Polynesia
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Law Practice
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1 - 100 Employee
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Machine Learning Research Scientist
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Feb 2023 - Present
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IUNU
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United States
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Software Development
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1 - 100 Employee
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Senior Computer Vision Engineer
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Nov 2021 - Feb 2023
Agricultural metrology using cutting-edge machine learning with our fleet of robots. IUNU (pronounced “you-knew”) is building the future of the controlled environment agriculture (CEA) industry. The company's AI-driven LUNA platform enables growers to develop a feedback loop between capturing data and managing processes to create precise, predictable production. Agricultural metrology using cutting-edge machine learning with our fleet of robots. IUNU (pronounced “you-knew”) is building the future of the controlled environment agriculture (CEA) industry. The company's AI-driven LUNA platform enables growers to develop a feedback loop between capturing data and managing processes to create precise, predictable production.
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Lead Computer Vision Engineer
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Sep 2019 - Nov 2021
• Leading team responsible for real-time capture, processing, and steaming of volumetric data• Developing a performant architecture for light field rendering in a mixed-managed software app• Collaborating with mechanical engineers on instrument calibration and tracking as software lead• Managing regulatory requirements, engineering process, and delivery timelines with leadership• Building breakthrough surgical technology as a member of the Advanced Technology Group• Directing the intersection of product and research as the liaison to our Technical Advisory Board Show less
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Computer Vision Engineer
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Sep 2017 - Sep 2019
A Real-time Light Field Capture and Rendering System for Performing Surgery in Mediated Reality
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Carnegie Mellon University
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United States
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Higher Education
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700 & Above Employee
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NSF Graduate Fellow
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Sep 2013 - Sep 2017
Design and Control of a Flapping Wing Micro Aerial Vehicle • Developed a DC gearmotor based resonant actuator that increases torque and power density by 161.1% and 666.8% respectively, compared to the motor alone, while decreasing current draw by 25.8% • Modeled actuator thermal performance, experimentally identifying novel parameters for micro motors, to predict safe operating parameters for the system and to optimize a heatsink that increased operating time by 102.4% • Fabricated and tested composite flexible wings that increase translational lift production by 35.3% • Extended a quasi-steady, blade element aerodynamic simulation to account for wing flexibility demonstrating that the flexible design increases aerodynamic efficiency by 41.3% and the effective lift coefficient by 63.7% • Transformed a simple prototype into a robust flapping wing micro aerial vehicle testbed with a flapping frequency of 23 Hz, weight of 3.2 g, and peak lift to weight of 3.7 with reliability exceeding 50,000 cycles • Developed control framework stabilizes the vehicle allowing for hovering and flight experiments up to 10 seconds Research Interests: • Optical Metrology and Multi-camera Tracking • Flapping Wing Micro Air Vehicles • Biological Flight and Low Reynolds Number Fluid Dynamics • Mechatronic Design, Analysis, and Control • Electromagnetic Actuator Design, Analysis, and Control • Biomimetic Micro-Structures, Actuators, and Sensors • Microscale Manufacturing, Assembly, and Smart Composite Fabrication Show less
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University of Washington
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United States
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Higher Education
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700 & Above Employee
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Undergraduate Researcher
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Jun 2011 - Jun 2013
Abdominal motion mediated pitch control in Manduca Sexta • Designed and built a virtual reality flight arena to study inner-loop control in moving organisms • Developed custom projection hardware, programmed in C++, to update the visual field in real-time • Implemented optical tracking of the abdomen using OpenCV • Programmed a gesture-based control framework for the AR.Drone using ROS Abdominal motion mediated pitch control in Manduca Sexta • Designed and built a virtual reality flight arena to study inner-loop control in moving organisms • Developed custom projection hardware, programmed in C++, to update the visual field in real-time • Implemented optical tracking of the abdomen using OpenCV • Programmed a gesture-based control framework for the AR.Drone using ROS
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Google
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United States
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Software Development
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700 & Above Employee
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Software Engineering Intern
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Jun 2010 - Aug 2010
• Developed server back end in C++ and front end in HTML, JavaScript, and ClearSilver for an internal tool for search infrastructure • Helped teams determine if their data was appropriate for use with specific algorithm • Exceeded expectations by finishing several projects ahead of schedule and presenting them to customers for feedback • Developed server back end in C++ and front end in HTML, JavaScript, and ClearSilver for an internal tool for search infrastructure • Helped teams determine if their data was appropriate for use with specific algorithm • Exceeded expectations by finishing several projects ahead of schedule and presenting them to customers for feedback
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Intel Labs
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United States
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Research Services
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700 & Above Employee
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Undergraduate Researcher
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Jan 2010 - Jun 2010
• Developed surface normal and distance sensor for robotic vision using close up photometric stereo • Used Python, OpenCV, and Octave for image acquisition and processing and learned ROS • Developed surface normal and distance sensor for robotic vision using close up photometric stereo • Used Python, OpenCV, and Octave for image acquisition and processing and learned ROS
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Boeing
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United States
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Aviation and Aerospace Component Manufacturing
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1 - 100 Employee
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Engineering Intern
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Jun 2009 - Aug 2009
• Created group website in HTML and embedded internal databases with JavaScript and SQL • Learned about industrial robotics and automation (toured Electroimpact in Mukilteo, WA) • Created group website in HTML and embedded internal databases with JavaScript and SQL • Learned about industrial robotics and automation (toured Electroimpact in Mukilteo, WA)
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Engineering Intern
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Jun 2008 - Aug 2008
• Shadowed system integration engineers to develop a holistic understanding of aircraft construction • Performed flight test data analysis, providing a strong understanding of testing methodologies • Shadowed system integration engineers to develop a holistic understanding of aircraft construction • Performed flight test data analysis, providing a strong understanding of testing methodologies
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Ski Instructor
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Dec 2005 - Mar 2008
• PSIA Level I Alpine instructor certification • Instructed at all levels including children age 5. • PSIA Level I Alpine instructor certification • Instructed at all levels including children age 5.
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Education
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Carnegie Mellon University
Doctor of Philosophy (Ph.D.), Mechatronics, Robotics, and Automation Engineering -
University of Washington
Bachelor of Science (BS), Computer Engineering and Bioengineering