Generative AI
New algorithm lets AI learn from mistakes, become a little more human
In recent months, researchers at OpenAI have been focusing on developing artificial intelligence (AI) that learns better. Their machine learning algorithms are now capable of training themselves, so to speak, thanks to the reinforcement learning methods of their OpenAI Baselines. Now, a new algorithm lets their AI learn from its own mistakes, almost as human beings do. The development comes from a new open-source algorithm called Hindsight Experience Replay (HER), which OpenAI researchers released earlier this week. As its name suggests, HER helps an AI agent "look back" in hindsight, so to speak, as it completes a task.
AI are Learning to Compete
Researchers at Elon Musk's startup, OpenAI, think they have discovered the most efficient way to train artificial neural networks: have them compete against each other. For more videos, subscribe to Mashable News: http://on.mash.to/SubscribeNews Give us a follow: Facebook: https://www.facebook.com/mashable/
[P] New Robotics environments in OpenAI Gym โข r/MachineLearning
Mujoco is mostly a physics engine, and I'm willing to bet that whatever parts you're thinking of when you say it's "more" than a physics engine either exist in some form in Bullet and the rest, or aren't relevant for RL. The things you listed are engines that delegate to other projects for their physics simulation, and come with a ton of heavyweight baggage that you don't need to do RL.
Ingredients for Robotics Research
This release includes four environments using the Fetch research platform and four environments using the ShadowHand robot. The manipulation tasks contained in these environments are significantly more difficult than the MuJoCo continuous control environments currently available in Gym, all of which are now easily solvable using recently released algorithms like PPO. Furthermore, our newly released environments use models of real robots and require the agent to solve realistic tasks. FetchReach-v0: Fetch has to move its end-effector to the desired goal position. FetchSlide-v0: Fetch has to hit a puck across a long table such that it slides and comes to rest on the desired goal.
Wanna build an AI robot? Don't have an actual robot yet? Try this Holodeck for droids
OpenAI today updated Gym โ its system for training intelligent software โ so that developers can teach physical robots to hold pens, pick up and move objects, and so on. Gym was launched in 2016, and is a toolkit for teaching programs new tricks, such as playing Atari games and balancing poles, via reinforcement learning (RL). Now, OpenAI has added a bunch of simulated environments designed to train physical robots how to move and interact with things around them albeit in a virtual world. For example, the simulated environments can be used to teach robotic fingers to play an instrument, or pick and lift an object from the table. This is useful for folks interested in rapidly training intelligent robots over thousands of exercises, without having to rig up a relatively slow-moving physical bot, or before they have a chance to get hold of the hardware.
OpenAI Releases Algorithm That Helps Robots Learn from Hindsight
Being able to learn from mistakes is a powerful ability that humans (being mistake-prone) take advantage of all the time. Even if we screw something up that we're trying to do, we probably got parts of it at least a little bit correct, and we can build off of the things that we did not to do better next time. Robots can use similar trial-and-error techniques to learn new tasks. With reinforcement learning, a robot tries different ways of doing a thing, and gets rewarded whenever an attempt helps it to get closer to the goal. Based on the reinforcement provided by that reward, the robot tries more of those same sorts of things until it succeeds. Where humans differ is in how we're able to learn from our failures as well as our successes.
[Research] โข r/MachineLearning
I'm a High School student with a reasonably basic research project where I am to implement an AI Agent to learn and master games and graph a linear regression of its time to mastery versus the task complexity. My partner and I have decided task complexity is to be based on the number of state spaces (or different inputs) the AI can use. We would like to find a good primary AI and have been using public OpenAi templates. Do any of you guys have suggestions on an efficient and effective way to make a "cookie cutter" algorithm? We'd like for it to be as easy to understand as possible.
Why Elon Musk Is Stepping Down from AI Safety Group He Co-Founded
Entrepreneur and CEO of Tesla and SpaceX, Elon Musk may have a little more time on his hands (maybe), as he's departing his spot on the board of the artificial-intelligence safety group OpenAI, according to a blog post. The departure is likely the result of Tesla's move into the realm of A.I., which he said in 2017 would be the "best in the world" and would even be able to "predict your destination." Musk will continue to "donate and advise the organization," OpenAI said in a blog post Feb. 20, adding that "As Tesla continues to become more focused on AI, this will eliminate a potential future conflict for Elon." Musk and Y Combinator CEO Sam Altman co-founded the nonprofit venture in December 2015, with backing from the likes of Peter Thiel (an early backer of Facebook), Reid Hoffman (who co-founded LinkedIn), Jessica Livingston (founding partner of Y Combinator), Greg Brockman and computer scientist Ilya Sutskever, according to the OpenAI website. OpenAI's mission is to develop safe AGI (artificial general intelligence) and ensure those developments are made public; its 60 or so researchers are tasked with long-term research, according to the company.
A.I. experts warn of a 'Black Mirror'-esque future with swarms of micro-drones, autonomous weapons
Such attacks fall into three categories of violations: digital, physical and political, according to the report. AI will allow the automation of tasks involved in digital cyberattacks that will make those offensives easier to carry out, larger and more efficient. They authors expect new varieties of attacks using speech synthesis for impersonation and automated hacking too. In the physical ream, using AI to automate tasks involved in drone and autonomous weapon attacks "may expand the threats associated with these attacks," the report says. Further, the report predicts new attacks that "subvert" the signals to autonomous vehicles, causing them to crash.
Elon Musk's departure from OpenAI's board might mean big things for Tesla
On Tuesday, OpenAI announced that Elon Musk, one of the non-profit AI research company's founding members and foremost benefactors, would be vacating his position on the OpenAI board of directors. Musk helped craft OpenAI's vision and financed much of the nonprofit's growth. Elon Musk will depart the OpenAI Board but will continue to donate and advise the organization. As Tesla continues to become more focused on AI, this will eliminate a potential future conflict for Elon. The OpenAI board of directors now consists of Greg Brockman, Ilya Sutskever, Holden Karnofsky, and Sam Altman, with whom Musk co-founded the venture.