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Engineering News

Performance comparison of video coding standards: an adaptive streaming perspective

by Joel Sole, Liwei Guo, Andrey Norkin, Mariana Afonso, Kyle Swanson, Anne Aaron “This is my advice to people: Learn how to cook, try new recipes, learn from your mistakes, be fearless, and above all have fun” — Julia Child (American chef, author, and television personality) At Netflix, we are continually refining the recipes we use to serve your favorite shows and movies at the best possible quality. An essential element in this dish is the video encoding technology we use to transform…

How my team wrote 12 Cloudflare apps with fewer than 20 lines of code

This is a guest post by Ben Ross. Ben is a Berkeley PhD, serial entrepreneur, and Founder and CTO and POWr.io, where he spends his days helping small businesses grow online. I like my code the same way I like my team of POWr Rangers… DRY. And no, I don’t mean dull and unexciting! (If you haven’t heard this acronym before, DRY stands for Don’t Repeat Yourself, the single most important principle in software engineering. Because, as a mentor once…

User retention at Pinterest: tackling an ambiguous problem

Revant Kapoor | Technical Lead, Engagement Growth User retention is an important but nebulous idea. It’s hard to acquire users and even harder to help them feel at home through an engaging and relevant experience. So when some of those users start to leave the platform, your first thought is to re-engage them. It’s important, though, to understand what they liked about Pinterest and help them reconnect with the platform. As Pinterest has gone global with hundreds of millions of…

Crashes increase when speed limits dip far below engineering recommendation

Speed limits set only five miles per hour below engineering recommendations produce a statistically significant decrease in total, fatal and injury crashes, and property-damage-only crashes, according to a group of Penn State researchers. “If (however) you lower the speed limit by 10, 15, 25 miles per hour, or more, drivers stop paying attention,” said Vikash Gayah, assistant professor of civil engineering. “We found there was an increase in fatal and injury crashes at locations with posted speed limits set 10…

Facebook joins MLPerf, open-sources Mask R-CNN2Go

Facebook has long supported open standards and interoperability between frameworks and hardware for driving machine learning (ML) innovation with projects like Open Neural Network Exchange (ONNX) and PyTorch. Developing industry-standard ML models and benchmarks will enable researchers and engineers to better evaluate and demonstrate the impact of their work. This is why we are supporting the MLPerf initiative. As part of this support, we are also open-sourcing Mask R-CNN2Go, our leading-edge computer vision model optimized for embedded and mobile devices.…

Innovation in Mixed Reality – Wayfair Tech Blog

At Wayfair, we’re always looking forward and we’re always exploring new and promising technology. Through our partnership with Magic Leap we’ve made some groundbreaking contributions to an emerging computing paradigm – spatial computing. In August, we launched our first experience on Magic Leap One. We created a web experience for Helio, Magic Leap’s spatial web browser, that applies the idea of spatial computing to the traditionally 2D world of the web, bringing 3D content, and digital replicas of our products…

Hearing loss is a risk factor for premature death — ScienceDaily

A new study links hearing loss with an increased risk for mortality before the age of 75 due to cardiovascular disease. Researchers at the Robert N. Butler Columbia Aging Center at Columbia University Mailman School of Public Health found that mortality among those with hearing loss is elevated, particularly among men and women younger than age 75 and those who are divorced or separated. However, mortality risk was diminished in adults with a well-hearing partner. This is the first study…

Scaling Cash Payments in Uber Eats

By Steven Austin This article is the fourth in a series covering how Uber’s mobile engineering team developed the newest version of our driver app, codenamed Carbon, a core component of our ridesharing business. Among other new features, the app lets our population of over three million driver-partners find fares, get directions, and track their earnings. We began designing the new app in conjunction with feedback from our driver-partners in 2017 and began rolling it out for production in September…

MU Engineering faculty member lands pair of campus awards

Ronny Bazan Antequera recently earned two campus awards, one from the Online Teaching Foundations Program and one from Student Teaching as Research. Photo courtesy of Ronny Bazan Antequera. Ronny Bazan Antequera recently earned two campus awards, one from the Online Teaching Foundations Program and one from Student Teaching as Research. Online Teaching Foundations Program Award The new assistant professor of Electrical Engineering and Computer Science participated in the ET@MO Online Teaching Foundation Program (OTF), a program for Mizzou instructors interested…

To guide cancer therapy, device quickly tests drugs on tumor tissue

MIT researchers have 3-D printed a novel microfluidic device that simulates cancer treatments on biopsied tumor tissue — and keeps the tissue alive for days — so clinicians can better examine how individual patients will respond to different therapeutics. Credit: Massachusetts Institute of Technology MIT researchers have 3-D printed a novel microfluidic device that simulates cancer treatments on biopsied tumor tissue, so clinicians can better examine how individual patients will respond to different therapeutics—before administering a single dose. Testing cancer…