Sunday, July 21, 2024

Fast And Low-Power IoT Face Detection System Having High Efficiency

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MAX78000 AI microcontroller and Detectum neural network detects and localises faces in video and images at just 12ms per inference

Maxim Integrated Products, Inc. and Xailient Inc., a company focused on artificial intelligence (AI) for the edge, have announced that Maxim Integrated’s MAX78000 ultra-low power neural-network microcontroller detects and localises faces in video and images using Xailient’s proprietary Detectum neural network. Xailient’s neural network draws 250x lower power (at just 280 microJoules) than conventional embedded solutions and at 12 milliseconds (ms) per inference, the network performs in real-time and is faster than the most efficient face-detection solution available for the edge. 

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Battery-powered AI systems that require face detection, such as home cameras, industrial-grade smart security cameras and retail solutions, require a low-power solution to provide the longest possible operation between charges. In addition to supporting standalone applications, Maxim Integrated’s microcontroller paired with Xailient’s neural network improves overall power efficiency and battery life of hybrid edge/cloud applications that employ a low-power ‘listening’ mode which then awakens more complex systems when a face is detected.

Xailient’s Detectum neural network includes focus, zoom and visual wake-word technologies to detect and localize faces in video and images at 76x faster rates than conventional software solutions, at similar or better accuracy. In addition, the flexible network can be extended to applications other than facial recognition, such as livestock inventory and monitoring, parking spot occupancy, inventory levels and more.

Key Advantages

  • Longest Battery Life/Highest Energy Efficiency: Xailient’s neural network optimises the computational efficiency and flexible low power sleep modes offered by Maxim Integrated’s ultra-low power MAX78000 microcontroller. Together, the products extend the operating time of coin cell battery-powered, hybrid edge/cloud applications for many years.
  • Fastest Inference Speed for Improved Accuracy: Speed is a significant factor for AI because with faster inferencing, you can react in real-time or quickly average multiple inferences to improve accuracy. Detecting faces in an image in just 12ms provides that flexibility between response time and accuracy.

“With the Xailient Detectum neural network, the MAX78000 is capable of both classification and localisation, so in addition to seeing faces in the image or video you can also determine where those faces are in the image’s field of view,” said Robert Muchsel, Maxim Integrated Fellow and architect of the MAX78000 microcontroller. “Advanced applications include person, vehicle and object counting, presence or obstruction detection, as well as path mapping and footfall heatmaps.” 

“AI is on track to be the second-largest carbon-emitting industry,” said Dr Shivy Yohanandan, Xailient CTO and inventor of Xailient’s Detectum neural network technology. “Replacing 14 legacy Internet protocol cameras that use traditional cloud AI with edge-based cameras equipped with the Maxim Integrated MAX78000 paired with Xailient’s neural network has the equivalent carbon impact of taking one gasoline-powered car off the road.” 

The MAX78000 and the MAX78000EVKIT# evaluation kit are available on Maxim Integrated’s website and also from authorised distributors. The Detected neural network, series models, tools, services as well as focus, zoom and visual wake word technologies are available directly from Xailient.


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