Machine learning for sensors: Page 2 of 4

August 12, 2019 //By Julien Happich
Machine learning
Researchers at the Fraunhofer Institute for Microelectronic Circuits and Systems IMS have developed an artificial intelligence (AI) concept for microcontrollers and sensors that contains a completely configurable artificial neural network.

Protection of privacy

Until now artificial intelligence and neural networks have been used primarily for image processing and speech recognition, sometimes with the data leaving the local systems. For example, voice profiles are processed in the cloud on external servers, since the computing power of the local system is not always adequate.

“It’s difficult to protect privacy in this process, and enormous amounts of data are transmitted. That’s why we’ve chosen a different approach and are turning away from machine learning processes in the cloud in favor of machine learning directly in the embedded system. Since no sensitive data leave the system, data protection can be guaranteed and the amounts of data to be transferred are significantly reduced,” explains Burkhard Heidemann, Embedded Systems group manager at Fraunhofer IMS. “Of course it’s not possible to implement giant deep learning models on an embedded system, so we’re increasing our efforts toward making an elegant feature extraction to reduce input signals.” By embedding the AI directly in the microcontroller, the researchers make it possible to equip a device with additional functions without the need for expensive hardware modifications.

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