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Category: Mechanical Engineering

Using Machine Learning to Improve Streaming Quality at Netflix

by Chaitanya Ekanadham One of the common questions we get asked is: “Why do we need machine learning to improve streaming quality?” This is a really important question, especially given the recent hype around machine learning and AI which can lead to instances where we have a “solution in search of a problem.” In this blog post, we describe some of the technical challenges we face for video streaming at Netflix and how statistical models and machine learning techniques can…

Robotic collaboration in timber construction

At Spatial Timber Assemblies, man and machine work together in both the planning and the manufacturing process. Credit: NFS Digital Fabrication / Roman Keller Digitalisation has found its way into timber construction, with entire elements already being fabricated by computer-aided systems. The raw material is cut to size by the machines, but in most cases it still has to be manually assembled to create a plane frame. In the past, this fabrication process came with many geometric restrictions. Under the…

Depth-sensing imaging system can peer through fog

The MIT system was able to resolve images of objects and gauge their depth at a range of 57 centimeters. Credit: Melanie Gonick/MIT MIT researchers have developed a system that can produce images of objects shrouded by fog so thick that human vision can’t penetrate it. It can also gauge the objects’ distance. An inability to handle misty driving conditions has been one of the chief obstacles to the development of autonomous vehicular navigation systems that use visible light, which…

The next step in Facebook’s AI hardware infrastructure | Engineering Blog | Facebook Code

Machine learning drives many aspects of people’s experience on Facebook. We use automatic language translation systems to remove communication barriers and enable people to interact with each other even if they speak different languages. Our image classification systems not only allow people to search for photos of their favorite moments, but also provide an immersive experience for the visually impaired with “talking images” that can be read with your fingertips. We also use machine learning in speech recognition, object and…

Look back at E-Week 2018!

Jacob Coffman and Zandria Johnson were crowned as the King and Queen of E-Week. Here’s a look back at Engineers’ Week 2018: The College of Engineering kicked off its 115th annual Engineers’ Week celebration with the traditional Dome Lighting. Kent Bredenhoeft, a 1989 Mizzou Mechanical and Aerospace Engineering alumnus, was the honorary switch thrower. He, Dean Elizabeth Loboa and Chancellor Alexander Cartwright started E-Week off right by flipping the switch to turn the dome of Jesse Hall green! Despite cold…

China to build ‘world’s fastest’ wind tunnel

China has announced it is building the world’s fastest wind tunnel to develop a new generation of super-fast airplanes, but it could also be used for hypersonic missile technology. Wind tunnels test how air will pass over a solid object, helping designers improve aerodynamics or reduce stress points for objects as they reach high speeds. State-run Xinhua news agency ran a report late Monday revealing the development of what it said would be “the world’s fastest hypersonic wind tunnel“.…

Performance @Scale 2018 recap | Engineering Blog | Facebook Code

Last week we hosted our second Performance @Scale conference. Held at Facebook’s Menlo Park campus, the event brought together performance engineering experts from multiple domains to discuss managing the performance challenges inherent in providing services for millions or even billions of people. More than 275 attendees gathered to hear from performance experts from Alibaba, Facebook, Headspin, LinkedIn, Microsoft, and Netflix to talk about the biggest performance challenges they face at their companies. Topics included anomaly detection, scaling web services, and…

Screaming Circuits: Use sports to motivate your team? Think again

Sports metaphors are incredibly common in the world of business motivation. Probably even more common than military metaphors. We raise the bar, huddle, put on a full court press, try for the home run, and we use the winning sports team as a template for the winning management team. At first glance, that makes sense. Team sports require, well, teamwork, as does business. A sports team that plays well together is much stronger than a simple sum of the individuals.…

An Open Source Interactive Data Visualization Tool for Neuroevolution

By Rui Wang, Jeff Clune and Kenneth O. Stanley At Uber’s scale, advances in machine learning can significantly enhance technologies that power safer and more reliable transportation solutions. One such advance announced recently by Uber AI Labs is deep neuroevolution, where evolutionary algorithms, such as evolution strategies (ES) and genetic algorithms (GA), help to train deep neural networks to solve difficult reinforcement learning (RL) problems. Interest in deep neuroevolution has been growing recently, with major contributions also from  OpenAI, DeepMind, Google…

Out of the Arcade: Designing the Uber Kiosk

Over the past few decades, the advent of online commerce negatively impacted brick-and-mortar stores, but now the pendulum is swinging back. With millennials seeking more real-world experiences, some companies have evolved how they reach out to consumers in public spaces. In her series, The Future of Offline Retail, Addie Lerner, Principal at General Catalyst, points out this shift, and how online-based companies such as Warby Parker and Bonobos set up limited offline showrooms, often called pop-ups, to familiarize real-world consumers…