“Computer Vision for the Built Environment,” a Presentation from Nomad Go
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For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2021/10/computer-vision-for-the-built-environment-a-presentation-from-nomad-go/ David Greschler, CEO and co-founder of Nomad Go, presents the “Computer Vision for the Built Environment” tutorial at the May 2021 Embedded Vision Summit. Facilities and operations managers of buildings, college campuses, retail and foodservice establishments all struggle to answer one fundamental question: “What are people doing in our spaces?” Computer vision – specifically edge computer vision – provides the ability to not only capture what is happening in a physical space but also unlocks actionable data about physical spaces that allows building managers and owners to greatly improve energy efficiency, sustainability and overall operations. In this presentation, you’ll learn about challenges in understanding the built environment, the methods currently being used to address them, and how edge computer vision is being applied to solve these challenges by providing real-time, actionable data at scale. Greschler presents real-world case studies of deployed edge computer vision solutions, showing how they are helping save energy costs, reduce greenhouse gases and improve operations such as cleaning and space planning.
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“Computer Vision for the Built Environment,” a Presentation from Nomad Go
- 1. © 2021 Nomad Go Computer Vision for the Built Environment David Greschler CEO, Nomad Go
- 2. © 2021 Nomad Go 2 Industry-Leading Computer Vision Solution Easy to Deploy Lightweight Infrastructure with Scale & Privacy Trained on 20M+ Real-World Images Founded in 2016 50 Years of Experience in Computer Vision 100+ deployments Partner Sales Focus Venture-Backed About Nomad Go
- 3. © 2021 Nomad Go What is the Built Environment? The built environment touches all aspects of our lives, encompassing the buildings we live in, the distribution systems that provide us with water and electricity, and the roads, bridges, and transportation systems we use to get from place to place. It can generally be described as the man-made or modified structures that provide people with living, working, and recreational spaces. 3
- 4. © 2021 Nomad Go Buildings are the #1 Global Polluter 4 Buildings are one of the five Grand Challenges identified by the Bill Gates Climate Change Initiative “Buildings account for 40% of energy use in the United States and 36% globally.”
- 5. © 2021 Nomad Go Top Challenge in the Built Environment 5 What are people doing inside buildings? Back to the Office: Building Operations Efficiency (Health, Cleaning) Visual Intelligence: How & When Spaces Are Used Efficiency & Sustainability: Reducing Energy Costs and Carbon Emissions (HVAC)
- 6. © 2021 Nomad Go 6 * Department of Energy, “Energy Savings for Occupancy- Based Control (OBC) of Variable- Air-Volume (VAV) Systems” https://www.pnnl.gov/main/publications/external/technical_reports/PNNL-22072.pdf The Lack of Building Occupancy Data is Wasting the World’s Energy and Over 100M Tons of CO2 Emissions a Year Building operations generate 39% of global GHG emissions Over 50% of this comes from HVAC Up to 23% HVAC is wasted without occupancy data – DOE* Industry 32% Builidngs 39% Transport 23% Other 6% Other 47% HVAC 53% Waste 23% Use 77% 12:01 AM 6AM 12P M 6PM 12P M 6 8 6 2 Degree s Scheduled Off Scheduled Off Scheduled On Most buildings heat, cool & ventilate with schedules, regardless if anyone is occupying the spaces!
- 7. © 2021 Nomad Go Current Solutions are Outdated & Ineffective 7 CO2 Sensors Beacons People Counters Motion Detectors Binary. Only tells if someone is there – not how many. Not real-time (15-30 mins lag) & needs calibration every 6 months Only count entries and exits with accumulated errors Only count the number of devices, not the number of people
- 8. © 2021 Nomad Go 8 Solving these Challenges with Computer Vision Accurate • Real-time • Privacy • Extensible Computer Vision Artificial Intelligence Edge Computing Visual Intelligence Turn everything we see into data Protect privacy, low bandwidth Actionable data for alerts & real-time controls
- 9. © 2021 Nomad Go 9 World’s Best Sensor Powerful camera, built-in security and networking, highly durable, flexible and extensible Cost-Effective Half the CapEx cost of comparable (processing power, camera quality, networking alternatives, security) security cameras and AI sensors Edge Processing Keep data local, secure, and real-time with on- device processing that protects privacy. Ability to update new models over the air. Why Smartphones and Tablets?
- 10. © 2021 Nomad Go 10 10 Edge AI Computer Vision: Occupancy-based HVAC: Real-time and Highly Accurate Building automation system uses AI data for precise HVAC controls 1 8 2 7 3 4 5 6 8 AI finds 8 people in space
- 11. © 2021 Nomad Go Why Live Occupancy Matters 11 Buildings Can’t Predict When a Space is Used HVAC for 6 hrs during 0 occupancy No adjustment of ventilation based on # of people in room Two meetings during scheduled unoccupied mode leads to discomfort
- 12. © 2021 Nomad Go 12 Scheduled vs. Actual Occupancy 36% 19% 18% 35% 16% 18% 37% 26% 7% 36% 11% 34% 35% 35% 29% 10% 24% 21% 36% Scheduled Occupied Mode (92%) (12am to 10 pm) Scheduled Occupied Mode 92% Actual Average Occupancy 25% Potential Savings : 50%+ per day
- 13. © 2021 Nomad Go Actual Cost Savings for the Built Environment 13 Potential Costs Savings for 7 Common Areas • $ 5 2 , 0 0 0 / y e a r E s t i m a t e d a n n u a l H VA C s p e n d ( b a s e d o n e l e c t r i c /ga s b i l l s ) • $ 1 8 , 4 8 0 / y e a r Po t e n t i a l O p E x s a v i n g s ( 3 5 % ) • $ 3 7 0 K I m p ro v e m e n t o n n e t a s s e t v a l u e Tons of C02/YR with Scheduled 92% scheduled HVAC 148 Tons of CO2/YR with Occupancy-based HVAC 40 Greenhouse Gas Emissions Reduction
- 14. © 2021 Nomad Go 14 Energy & Sustainability Usage-based building controls Health and Safety COVID reopening & compliance Space Utilization Know how any space is used Visual Intelligence Solutions
- 15. © 2021 Nomad Go 15 AI processing of data for real-time out-of-the-box metrics Occupancy/Density/Traffic Dwell Time Mask Compliance Distancing Compliance Demographics Survey Smart devices & smart cameras collect and process computer vision on the edge API Access/HVAC Controls App/Alerts Real-time data feeds Dashboard Reporting Conf. Room #3 is Open How it All Comes Together
- 16. © 2021 Nomad Go 16 See Anything Gain immediate visibility into facility activity Impact Everything From smarter building controls to safer spaces, Visual Intelligence becomes your data backbone Measure Anything Use AI to automatically measure and track Visual Intelligence for the Built Environment
- 17. Thank You
- 18. © 2021 Nomad Go Resources 18 Bill Gates: https://www.gatesnotes.com/Energy/Buildings-are- good-for-people-and-bad-for-the-climate Drawdown.org: https://drawdown.org/sectors/buildings Report: Nationwide HVAC Energy-Saving Potential Quantification for Office Buildings with Occupant-Centric Controls in Various Climates: https://www.sciencedirect.com/science/article/abs/pii/S0306261920312186