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WHY THIS MATTERS IN BRIEF

Training AI software and robots in the virtual world will dramatically accelerate disruption and the world’s rate of change.

 

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Amazon, who are already on their way to becoming a fully autonomous retailer, recently took the wraps off of Scout, an autonomous delivery robot that’s now ferrying goods to homes near Seattle, and during a session at the company’s inaugural re:MARS conference the other week Hao Chen, Senior Principal Engineer of Scout, detailed a few of the simulation systems that Amazon have been using to train Scout’s Artificial Intelligence (AI) machine learning algorithms “millions times faster” than they could if they were training them in the real world – something that in the battle of up skilling humans versus machines is a game changer, and a big win for the machines.

 

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The use of these so called simulation engines is a major factor in helping accelerate the rate of technologically driven change that we all see in our world today, which is why I’m writing about it. Because not only are these systems being used to put autonomous vehicles though millions of miles of training a day, they are also being used to train AI’s to world expert levels within just hours, and create the world’s first dextrous robots by, in this case cramming over 800 years of training into just weeks. Furthermore, when these new training methods are combined with physical robots, for example, whose hardware can already be evolved millions of times faster than human anatomy, it’s no wonder why more and more people around the world feel everything’s changing faster than before.

 

Meet Scout
 

Anyway, back to Scout. For the uninitiated, Scout is a watertight, six-wheeled, cooler-sized robot that was developed, built, assembled, and programmed in-house by Amazon engineers. It’s designed to be robust, with wheels that made of material firm enough to survive the rigors of daily sidewalk driving, and it packs cameras, ultrasonic sensors, and other sensors that enable it to detect and manoeuvre around obstacles in real time.

Scout typically sticks to the sidewalk, but if it’s blocked by something untraversable — a group of joggers or cones around a manhole, say — it’ll drive on the street instead. When it needs to cross the street, it’ll activate blinking lights to ensure cyclists and drivers spot it quickly.

 

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The Scout team is performing testing both in the real world and on a simulated sidewalk they built in the lab, but to train Scouts AI machine learning models that guide IT down suburban streets they architected a pipeline that generates detailed virtual training environments mimicking every real-world neighborhood where Scout operates.

“We’re not doing synthetic training as a synthetic, we’re actually doing training from digital doubles [of environments],” said Chen.

The Scout team collects petabytes of high-resolution imagery, scans from lidar sensors (which bounce light off of objects to measure their relative distances), and GPS location data (when available) and feeds them into a processing pipeline, employing photogrammetry along the way to recover exact positions from surface points. Next, they annotate curb, pothole, sewer drain, road, and driveway elements with color-coded labels, in part with the aid of computer vision tools that automatically identify things like the edges of sidewalks.

 

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After successive stages of geometry, texture, and mesh optimization and rendering, all of which is performed in the cloud on Amazon Web Services (AWS) instances, the result is a 3D map accurate down to the sub-centimeter. It’s fully navigable — camera controls enable engineers to fly over homes or view lawns from street level — and has realistic physics driven by an engine that approximates real-world friction, pressure, and velocity.

“We’ve actually simulated [friction] on [packages to be delivered inside Scout], which gives unnaturally large pressures,” said Chen. “This is important, because if my physics are wrong, then my control dynamics are wrong, and then my power draw assumption is wrong and so on. This is the key takeaway.”

A corpus for an area roughly 1.17 square kilometers in size comprises over 21,000 photos and takes about 400 hours to model on a single computer, or roughly four hours on 50 AWS instances running in parallel. “We can recreate a real environment to almost any fidelity,” said Chen. “Think about the freedom this allows us to achieve.”

 

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All the more impressively, these environments can be streamed to virtually any device — including smartphones, laptops, and tablets — thanks to an extensible, bespoke software development kit. From the client side, the Scout team can orchestrate active learning approaches that fine-tune the navigational models through thousands of simulated deliveries.

Despite the robustness of the framework that Amazon’s developed and the volume of data that’s been collected to date, it’s worth noting that Scout isn’t quite ready for prime time. The company is piloting a small fleet of six Scouts currently, transporting them in a van to which they return after they’ve dropped off a customer’s package. They’re accompanied by assistants who retrieve boxes from the robot and put them on doorsteps.

It’s also worth noting that Amazon is far from the only company vying for a slice of the lucrative autonomous delivery market, which is filled with well-funded startups like MarbleStarship TechnologiesNuro, Robomart, Boxbot, Dispatch, and Robby, to name a few, not to mention FedEx and Postmates.

That’s all to say that it’ll likely be a while before Scout starts making deliveries nationwide (or even in more than a handful of cities), and when it does, it won’t be the only delivery drone on the block.

About author

Matthew Griffin

Matthew Griffin, described as “The Adviser behind the Advisers” and a “Young Kurzweil,” is the founder and CEO of the World Futures Forum and the 311 Institute, a global Futures and Deep Futures consultancy working between the dates of 2020 to 2070, and is an award winning futurist, and author of “Codex of the Future” series. Regularly featured in the global media, including AP, BBC, CNBC, Discovery, RT, and Viacom, Matthew’s ability to identify, track, and explain the impacts of hundreds of revolutionary emerging technologies on global culture, industry and society, is unparalleled. Recognised for the past six years as one of the world’s foremost futurists, innovation and strategy experts Matthew is an international speaker who helps governments, investors, multi-nationals and regulators around the world envision, build and lead an inclusive, sustainable future. A rare talent Matthew’s recent work includes mentoring Lunar XPrize teams, re-envisioning global education and training with the G20, and helping the world’s largest organisations envision and ideate the future of their products and services, industries, and countries. Matthew's clients include three Prime Ministers and several governments, including the G7, Accenture, Bain & Co, BCG, Credit Suisse, Dell EMC, Dentons, Deloitte, E&Y, GEMS, Huawei, JPMorgan Chase, KPMG, Lego, McKinsey, PWC, Qualcomm, SAP, Samsung, Sopra Steria, T-Mobile, and many more.

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