With the advancement of society and the development of science and technology, video surveillance has also undergone a revolution from analog to digital, networked, and intelligent. At the industrial production site, monitoring and monitoring can be performed quickly and in real time through a video surveillance system.
As a leading supplier of image sensors, ON Semiconductor's products are used in security and are also used in similar markets, maintaining a broad base of advanced technologies that can be leveraged and used across a wide range of applications. To this end, this issue of electronic enthusiasts "Intelligent Industry Special" invites Brian BenamaTI, security marketing manager of the Image Sensor Division of ON Semiconductor to discuss the development of industrial monitoring and surveillance.
Brian BenamaTI, Marketing Manager, Security Segment, Image Sensors Division, ON Semiconductor
Network cameras are the focus of future video surveillance industry development, and its continuous innovation and development depends on the performance of key component image sensors. For the technical requirements of image sensors used in surveillance, Brian BenamaTI of ON Semiconductor said that camera manufacturers and system integrators in the surveillance/security market have two key performance requirements: superior low-light imaging (in low-light scenes) Provide sufficient signal-to-noise ratio under conditions) and high dynamic range (HDR to simultaneously capture images in bright highlights and dark shadows). Once these key parameters are achieved, the next performance factors include extended near-infrared (NIR) quantum efficiency (for imaging with NIR illuminators), and excellent modulation transfer function (MTF) (for image sharpness).
Super-light image sensor highlights competitive advantage
As an "affordable low-light image sensor" supplier, ON Semiconductor will provide key technical performance that meets or exceeds market requirements with a relatively competitive price point. According to Brian BenamaTI, this balance is often very challenging, considering the competitive nature of the surveillance/security market, and enabling system integrators, camera manufacturers, image signal processor (ISP) vendors and image sensor vendors to Long-term and continuous cooperation.
The small pixel platform developed by ON Semiconductor for mobile and consumer applications combines the rugged design and reliability required for automotive applications to develop cost-effective, reliable image sensors designed for security. Brian Benamati emphasizes that this is the winning combination of ON Semiconductor and will continue.
Intelligent video surveillance system can be used to enhance situational awareness
Pixel technologies such as back-illuminated (for smaller pixels to boost sensitivity) and output interfaces such as MIPI and HiSPi (supporting HDR mode in ISP chipsets) are now customer requirements. Brian Benamati said that continuous improvement in performance will always be important, with technologies such as ON Semiconductor's Clarity+ color filter array mode that will continue to increase the sensitivity of the customer.
In response to the ongoing development of the market, it will be important to manage networking and increase the bandwidth required for these higher resolution solutions. Brian Benamati pointed out that intelligent monitoring systems have emerged for security cameras, intelligent transportation systems, and even continuous airborne surveillance networks. Image sensors with resolutions beyond VGA/720p/1080p, such as 300-500 megapixels, 5-6 million pixels, and 8-12 million pixels (for 4K video), have begun to support fisheye, wide-angle viewing and panoramic views (180 degrees) Or 360 degrees) imagery to enhance the perception of the state of the situation.
Finally, Brian Benamati emphasized that the surveillance/security market will continue to grow steadily in the coming years, especially as image signal processing compression standards such as H.264 and H.265 dominate. This enables the transmission of higher resolution, faster frame rate video for video analysis such as face recognition. ON Semiconductor is well positioned to achieve high product adoption rates with a wide range of resolutions, optical formats and performance levels.
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