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Contouring learning rate to optimize neural nets

#artificialintelligence

Check out Siddha Ganju's talk on embedded deep learning at the Artificial Intelligence Conference in San Francisco, Sept. 17-20, 2017. Learning rate is the rate at which the accumulation of information in a neural network progresses over time. The learning rate determines how quickly (and whether at all) the network reaches the optimum, most conducive location in the network for the specific output desired. In plain Stochastic Gradient Descent (SGD), the learning rate is not related to the shape of the error gradient because a global learning rate is used, which is independent of the error gradient. However, there are many modifications that can be made to the original SGD update rule that relates the learning rate to the magnitude and orientation of the error gradient.


AI writes Yelp reviews that pass for the real thing

Engadget

On any given day, hordes of people consult online reviews to help them pick out where to eat, what to watch, and products to buy. We trust that these reviews are reliable because they come from everyday folk just like us. But, what if the feedback blurbs on sites ranging from Amazon to iTunes could be faked -- not just by nefarious humans, but by AI? That's what researchers from University of Chicago tried to do, with surprising results. Not only did the Yelp restaurant reviews written by their neural network manage to pass for the real thing, but people even found the posts to be useful. As part of their attack method, the researchers utilized a deep learning program known as a recurrent neural network (RNN).


Google and Microsoft Can Use AI to Extract Many More Ad Dollar from Our Clicks

WIRED

When Google and Microsoft boast of their deep investments in artificial intelligence and machine learning, they highlight flashy ideas like unbeatable Go players and sociable chatbots. They talk less often about one of the most profitable, and more mundane, uses for recent improvements in machine learning: boosting ad revenue. AI-powered moonshots like driverless cars and relatable robots will doubtless be lucrative when--or if--they hit the market. There's a whole lot of money to be made right now by getting fractionally more accurate at predicting your clicks. Many online ads are only paid for when someone clicks on them, so showing you the right ones translates very directly into revenue.


Facebook will use AI to help correct skewed 360-degree photos

Engadget

Ever since Facebook added 360-degree photos to your news feed last year, more and more images of this type have appeared. You can even take and share these full-circle images right from your mobile device, as well, making them even more ubiquitous. Finding them is even easier with Facebook's Gear VR app, too. As reported by VentureBeat, the social network is now using deep neural networks to analyze 360-degree photos to fix the image orientation for a better viewing experience, especially in VR. When you take a 360-degree photo, it's easy to end up with a tilted shot if you don't hold the camera in line with the horizon for the full capture, says VentureBeat's Blair Hanley Frank.


Samsung gets DMV's OK to test autonomous cars in California

Engadget

The California DMV has just updated the list of companies that can test self-driving technologies in the state, and there's one notable addition: Samsung Electronics. In a statement, a company spokesperson confirmed that it's participating in California's Autonomous Vehicle Tester Program. However, he clarified that the Korean conglomerate still has "no plans to enter the car-manufacturing business." Samsung will instead continue to develop sensors that use its AI and deep learning software, as well as other components for autonomous vehicles. Samsung first got a permit to test self-driving technologies in its home country earlier this year.


Transitioning from Academic Machine Learning to AI in Industry

#artificialintelligence

It requires more than just taking online courses or being able to implement papers to get a job in the modern AI industry. After speaking with over 50 top Applied AI teams all over the Bay Area and New York, who come to Insight to find Applied AI practitioners, we have distilled our conversations into a set of actionable items outlined below. If you want to make yourself competitive and break into AI, not only do you have to understand the fundamentals of ML and statistics, but you must push yourself to restructure your ML workflow and leverage best software engineering practices. This means you need to be comfortable with system design, ML module implementation, software testing, integration with data infrastructure, and model serving. Frequent advice for people trying to break into ML or deep learning roles is to pick up the required skills by taking online courses which provide some of the basic elements (e.g.


AI robots are sexist and racist, experts warn

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He said the deep learning algorithms which drive AI software are "not transparent", making it difficult to to redress the problem. Currently approximately 9 per cent of the engineering workforce in the UK is female, with women making up only 20 per cent of those taking A Level physics. "We have a problem," Professor Sharkey told Today. "We need many more women coming into this field to solve it." His warning came as it was revealed a prototype programme developed to short-list candidates for a UK medical school had negatively selected against women and black and other ethnic minority candidates.


Building health AIs should be UK ambition, says strategy review

#artificialintelligence

A wide-ranging, UK government-commissioned industrial strategy review of the life sciences sector, conducted by Oxford University's Sir John Bell, has underlined the value locked up in publicly funded data held by the country's National Health Service -- and called for a new regulatory framework to be established in order to "capture for the UK the value in algorithms generated using NHS data". The NHS is a free-at-the-point of use national health service covering some 65 million users -- which gives you an idea of the unique depth and granularity of the patient data it holds. And how much potential value could therefore be created for the nation by utilizing patient data-sets to develop machine learning algorithms for medical diagnosis and tracking. "AI is likely to be used widely in healthcare and it should be the ambition for the UK to develop and test integrated AI systems that provide real-time data better than human monitoring and prediction of a wide range of patient outcomes in conditions such as mental health, cancer and inflammatory disease," writes Bell in the report. His recommendation for the government and the NHS to be pro-active about creating and capturing AI-enabled value off of valuable, taxpayer-funded health data-sets comes hard on the heels of the conclusion of a lengthy investigation by the UK's data protection watchdog, the ICO, into a controversial 2015 data-sharing arrangement between Google-DeepMind and a London-based NHS Trust, the Royal Free Hospitals Trust, to co-develop a clinical task management app.


Applications of AI in Niche and Emerging Areas – Hacker Noon

#artificialintelligence

There is no denying the fact that Artificial Intelligence is the breakthrough technology of recent times. The machines have come a long way from assisting humans in mechanical operations to performing smarter tasks using cognitive intelligence. Every day, we are coming across interesting applications of AI. The ability of Deep Learning algorithms to learn and predict efficiently has opened the doors of possibilities. Nowadays, AI is impacting many other areas as well.


Reaching new records in speech recognition - Watson

#artificialintelligence

Depending on whom you ask, humans miss one to two words out of every 20 they hear. In a five-minute conversation, that could be as many 80 words. Imagine, though, how difficult it is for a computer? Last year, IBM announced a major milestone in conversational speech recognition: a system that achieved a 6.9 percent word error rate. Since then, we have continued to push the boundaries of speech recognition, and today we've reached a new industry record of 5.5 percent.