Camera SoC for edge AI sensing

November 03, 2020 //By Rich Pell
Camera SoC targets new class of smart edge devices
AI vision processor developer Ambarella has introduced a camera system on chip (SoC) for artificial intelligence (AI) sensing at the edge.

The CV28M CVflow processor combines advanced image processing, high-resolution video encoding, and the company's CVflow computer vision processing in a single, low-power design. The CV28M’s highly efficient artificial intelligence (AI) processing architecture, says the company, provides the flexibility required to enable a new class of smart edge devices for applications including smart home security, retail monitoring, consumer robotics, and occupancy monitoring.

"All around us, devices are becoming smarter, and with our newest CV28M SoC, our customers can develop a new generation of intelligent sensing cameras for a variety of new applications," says Chris Day, vice president of marketing and business development at Ambarella. "In privacy-sensitive applications - such as monitoring retail stores, workplaces, rental properties, or the elderly at home - edge-based AI processing can support intelligent monitoring and fast decision-making without the requirement to record or stream video to the cloud."

The CV28M, says the company, provides the AI performance to make all decisions in the camera, preserving privacy and avoiding heavy video processing running on back-end servers. For IP security cameras, the device features AI-based rate control to optimize image quality while reducing video storage and network bandwidth requirements.

In addition, the company’s AI Timelapse scene-aware recording avoids the time needed to scan through video timelines to retrieve moments of interest. In consumer robotics applications, the CV28M can be connected to a wide range of sensors such as visible, structured light, and time-of-flight (ToF) to capture, and then process, the data required for navigation.

The CV28M delivers efficient video encoding in both AVC and HEVC formats. A high-performance image signal processor (ISP) delivers outstanding imaging in low-light conditions, and high dynamic range (HDR) processing extracts maximum image detail in high-contrast scenes, says the company.

The CV28M includes a full suite of advanced cybersecurity features to protect against hacking including secure boot, TrustZone, and I/O virtualization. Fabricated in 10-nm ultralow-power process technology, the CV28M chip is optimized for wire-free

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