Prophesee Unveil Innovative GenX320 Event-Based Vision Sensor

by | Oct 16, 2023

PROPHESEE Event-Based Metavision GenX320 size

Prophesee has launched the GenX320, the world’s smallest and most power-efficient event-based vision sensor, bringing more intelligence, privacy and safety than ever to consumer Edge-AI devices.

The latest event-based Metavision® sensor, the GenX320, from Prophesee, delivers new levels of performance including ultra-low power, low latency, high flexibility for efficient integration in AR/VR, wearables, security and monitoring systems, touch-free interfaces, always-on IoT and many more.

The GenX320 Event-based Metavision sensor is the industry’s first event-based vision sensor developed specifically for integration into ultra-low-power Edge AI vision devices. The fifth generation Metavision sensor, available in a tiny 3x4mm die size, expands the reach of the company’s pioneering technology platform into a vast range of fast-growing intelligent Edge market segments, including AR/VR headsets, security and monitoring/detection systems, touchless displays, eye tracking features, always-on smart IoT devices and many more.

The GenX320 event-based vision sensor builds on Prophesee’s track record of proven success and expertise in delivering the speed, low latency, dynamic range power efficiency and privacy benefits of event-based vision to a diverse array of applications.

The 320×320 6.3μm pixel BSI stacked event-based vision sensor offers a tiny 1/5” optical format. It has been developed with a specific focus on the unique requirements of efficient integration of innovative event sensing in energy-, compute- and size-constrained embedded at-the-edge vision systems. The GenX320 enables robust, high-speed vision at ultra-low power and in challenging operating and lighting conditions.

genx320

GenX320 benefits include:

• Low latency µsec resolution timestamping of events with flexible data formatting.

• On-chip intelligent power management modes reduce power consumption to as low as 36uW and enable smart wake-on-events. Deep sleep and standby modes are also featured.

• Easy integrability/interfacing with standard SoCs with multiple integrated event data pre-processing, filtering, and formatting functions to minimize external processing overhead.

• MIPI or CPI data output interfaces offer low-latency connectivity to embedded processing platforms, including low-power microcontrollers and modern neuromorphic processor architectures.

• AI-ready: on-chip histogram output compatible with multiple AI accelerators;

• Sensor-level privacy-enabled thanks to event sensor’s inherent sparse frameless event data with inherent static scene removal.

• Native compatibility with Prophesee Metavision Intelligence, the most comprehensive, free, event-based vision software suite, used by a fast-growing community of 10,000+ users.

Luca Verre, CEO and co-founder of Prophesee, said:

“The low-power Edge-AI market offers a diverse range of applications where the power efficiency and performance characteristics of event sensors are ideally suited. We have built on our foundation of commercial success in other application areas and developed this new event-based Metavision sensor to address the needs of Edge system developers with a sensor that is easy to integrate, configure and optimize for multiple compelling use cases in motion and object detection, presence awareness, gesture recognition, eye tracking, and other high growth areas,” 

Specific use case potential

· High speed eye-tracking for foveated rendering for seamless interaction in AR/VR/XR headsets

· Low latency touch-free human machine interface in consumer devices (TVs, laptops, game consoles, smart home appliances and devices, smart displays and more)

· Smart presence detection and people counting in IoT cameras and other devices

· Ultra-low power always-on area monitoring systems

· Fall detection cameras in homes and health facilities

Availability

The GenX320 is available for purchase from Prophesee and its sales partners. It is supported by a complete range of development tools for easy exploration and optimization, including a comprehensive Evaluation Kit housing a chip on board (COB) GenX320 module, or a compact optical flex module. In addition, Prophesee is offering a range of adapter kits that enable seamless connectivity to a large range of embedded platforms, such as a STM32 MCU, enabling faster time-to-market.

Early Adopters

Zinn Labs

PROPHESEE Event-Based Metavision GenX320 ZinnLabs Eye Tracking

Kevin Boyle, CEO & Founder of Zinn Labs, said:

“Zinn Labs is developing the next generation of gaze tracking systems built on the unique capabilities of Prophesee’s Metavision event sensors. The new GenX320 sensor meets the demands of eye and gaze movements that change on millisecond timescales. Unlike traditional video-based gaze tracking pipelines, Zinn Labs is able to leverage the GenX320 sensor to track features of the eye with a fraction of the power and compute required for full-blown computer vision algorithms, bringing the footprint of the gaze tracking system below 20 mW.

“The small package size of the new sensor makes this the first time an event-based vision sensor can be applied to space-constrained head-mounted applications in AR/VR products. Zinn Labs is happy to be working with Prophesee and the GenX320 sensor as we move towards integrating this new sensor into upcoming customer projects.”

 

XPERI

Petronel Bigioi, Chief Technology Officer at XPERI, said:

“Privacy continues to be one of the biggest consumer concerns when vision-based technology is used in our products such as DMS and TV services. Prophesee’s event-based Metavision technology enables us to take our ‘privacy by design’ principle to an even more secure level by allowing scene understanding without the need to have explicit visual representation of the scene. By capturing only changes in every pixel, rather than the entire scene as with traditional frame-based imaging sensors, our algorithms can derive knowledge to sense what is in the scene, without a detailed representation of it.

“We have developed a proof-of-concept demo that demonstrates DMS is fully possible using neuromorphic sensors. Using a 1MP neuromorphic sensor we can infer similar performance as an active NIR illumination 2MP vision sensor-based solution. Going forward, we focus on the GenX320 neuromorphic sensor that can be used in privacy sensitive smart devices to improve user experience.”

 

Ultraleap

Tom Carter, CEO & Co-founder of Ultraleap, said:

“We have seen the benefits of Prophesee’s event-based sensors in enabling hands-free interaction via highly accurate gesture recognition and hand tracking capabilities in Ultra Leap’s TouchFree application. Their ability to operate in challenging environmental conditions, at very efficient power levels, and with low system latency enhances the overall user experience and intuitiveness of our touch free UIs.

“With the new Genx320 sensor, these benefits of robustness, low power consumption and latency and high dynamic range can be extended to more types of applications and devices, including battery-operated and small form factors systems, proliferating hands-free use cases for increased convenience and ease of use in interacting with all sorts of digital content.”

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