Neural networks are the crown jewel of the AI boom. They gorge on data and do things like transcribe speech or describe images with near-perfect accuracy (see “10 breakthrough technologies 2013: Deep learning”). The catch is that neural nets, which are modeled loosely on the structure of the human brain, are typically constructed in software rather than hardware, and the software runs on conventional computer chips. That slows things down. IBM has now shown that building key features of a neural net directly in silicon can make it 100 times more efficient. Chips built this way might turbocharge machine learning in coming years. The IBM chip, like a neural net written in software, mimics the synapses that connect individual neurons in a brain. The strength of these synaptic connections needs to be tuned in order for the network to learn. In a living brain, this happens in the form of connections growing or withering over time. That is easy to reproduce in software but has proved infuriatingly difficult to
Philippe J DEWOST's insight:
The human brain consumes 4.2 g of glucose per hour. Neural networks are trying to catch up and silicon might be the next step with a 100x efficiency factor
We’ve developed an approach to generate 3D adversarial objects that reliably fool neural networks in the real world, no matter how the objects are looked at.
Neural network based classifiers reach near-human performance in many tasks, and they’re used in high risk, real world systems. Yet, these same neural networks are particularly vulnerable to adversarial examples, carefully perturbed inputs that cause targeted misclassificatio
Philippe J DEWOST's insight:
The spirit of Magritte hides in neural networks : this team has been printing 3D objects that consistently fool machine vision object classifiers. A turtle becomes a rifle, while a cat is consistently recognized as guacamole.
This opens by the way a huge field in hide & seek and camouflage...
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