Tech Xplore - neural networks

Large language models use a surprisingly simple mechanism to retrieve some stored knowledge

Large language models, such as those that power popular artificial intelligence chatbots like ChatGPT, are incredibly complex. Even though these models are being used as tools in many areas, such as customer support, code ...

Mar 25, 2024

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Engineers recreate Star Trek's Holodeck using ChatGPT and video game assets

In "Star Trek: The Next Generation," Captain Picard and the crew of the U.S.S. Enterprise leverage the Holodeck, an empty room capable of generating 3D environments, of preparing for missions and entertaining them, simulating ...

Apr 11, 2024

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Brain-inspired computing may boil down to information transfer

The biological brain, especially the human brain, is a desirable computing system that consumes little energy and runs at high efficiency. To build a computing system just as good, many neuromorphic scientists focus on designing ...

Apr 8, 2024

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Using sound waves for photonic machine learning: Study lays foundation for reconfigurable neuromorphic building blocks

Optical neural networks may provide the high-speed and large-capacity solution necessary to tackle challenging computing tasks. However, tapping their full potential will require further advances. One challenge is the reconfigurability ...

Apr 16, 2024

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Training artificial neural networks to process images from a child's perspective

Psychology studies have demonstrated that by the age of 4–5, young children have developed intricate visual models of the world around them. These internal visual models allow them to outperform advanced computer vision ...

Mar 20, 2024 feature

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Computer scientists show the way: AI models need not be so power hungry

The fact that colossal amounts of energy are needed to Google away, talk to Siri, ask ChatGPT to get something done, or use AI in any sense, has gradually become common knowledge.

Apr 3, 2024

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Wristband uses echoes and AI to track hand positions for VR and more

Cornell researchers have developed a wristband device that continuously detects hand positioning—as well as objects the hand interacts with—using AI-powered, inaudible soundwaves.

Apr 2, 2024

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Brain-inspired chaotic spiking backpropagation

Since it was discovered in the 1980s that learning in the rabbit brain utilizes chaos, this nonlinear and initially value-sensitive dynamical behavior has been increasingly recognized as integral to brain learning.

Mar 29, 2024

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Introducing Floorlocator, a system that enhances indoor navigation

Indoor positioning is transforming with applications demanding precise location tracking. Traditional methods, including fingerprinting and sensor-based techniques, though widely used, face significant drawbacks, such as ...

Mar 20, 2024

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Machine learning tools can predict emotion in voices in just over a second

Words are important to express ourselves. What we don't say, however, may be even more instrumental in conveying emotions. Humans can often tell how people around them feel through non-verbal cues embedded in our voice.