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Nature guides new Hikvision DarkFighterX camera

Technology Expanding Human Senses

A business owner arrives at his office one morning to find a door open, windows broken, and property strewn about. After calling the police, he reviews the security video: not much more than blurry images of indiscernible shapes here and there. A car’s headlights flicker across the scene. Then nothing.

 

A night security officer hears an alarm, then sees a truck erratically driving away from a prohibited area. He calls in a report and requests law enforcement. After the area is secure, they review the security camera feed: black and white blurs; vaguely human silhouettes; darkness. The only witness says, I heard something, but I couldn’t see anyone.

 

Scenes like these are all too common. Of all known crimes, 70% happen at night, hidden under cover of darkness. To effectively reduce that crime statistic, video security systems must extend and enhance video security capabilities into the dark, alerting security personnel before an event occurs.

 

Today, Hikvision is equipping video security hardware to shatter that statistic and take night time video security deeper into the darkness, lifting the cover of night to capture the kind of information that will lead to the prosecution of criminals. Here’s one way we are doing it.

 

Learning from the Human Eye

In humans, two types of photoreceptive cells – rods and cones – sit on the rear inner surface of the eye, known as the retina. These two light-sensitive cell types independently perform different functions to capture the visible world around us. The rods respond to brightness while cones capture and identify colours. The brain fuses the information into a single image. 

 

Nature did it first, but emerging technology is going further. Hikvision’s DarkFighterX Series technology was developed from insight into the way human eyes see. Infrared sensors in the camera capture reflected Infrared light that is invisible to the human eye but very “bright” to the sensors – similar to the rods in our eyes. While these IR sensors only transmit in black and white, visible-light sensors in the camera are simultaneously detecting and decoding colours – like the cones mentioned above. Both sensors sit behind a single lens, just as the rods and cones in our eyes.

 

The camera combines the two spectrums of light to create video and images – the brightness of the IR sensors imbued with the low-light colour. Hikvision refers to this as bi-spectral technology. The result? DarkFighterX renders higher brightness, better color fidelity, sharper edges, and less noise and blur.

 

Extension, Expansion, and Application

Video security systems must extend and enhance video security capabilities into the darkness in order to reduce the overwhelming amount of night time crime. This has been the pursuit of Hikvision’s R&D teams for many years now, and many amazing technologies have resulted. Applications for this camera and its advanced technology range widely. Systems integrators will likely find adaptations for the DarkFighterX that even go beyond what Hikvision foresees. At first glance, applications include crime-prone areas of cities after dark: sidewalks and streets, alleyways and retail centres, for example. Tourist areas and scenic destinations can be monitored by the DarkFighterX, such as rivers, lakes and beaches, forests, public squares, historical monuments, and more. Critical infrastructure locations are often prime targets for criminals. Ports, electrical and other power plants, railways, airports, and other travel nodes, and international borders are just a few of the examples for this area of application. Wherever there exists a security weakness at night, that’s where the DarkFighterX Series shines.

 

The DarkFighterX Series cameras expand upon the human sense of sight by first mimicking the human eye – two distinct sensors capturing and combining brightness and colours – then extending that ability in extremely low-light environments. The technology results in colourful, bright, and accurate imaging on security monitors, making night time security video appear nearly as clear as daytime video. With the DarkFighterX Series, Hikvision can – almost literally – place hundreds of eyes over a wide expanse of space, giving security personnel “sight” that’s quite beyond anything they have seen before. Even in the dark.

 

You just might not believe it … until you see it.

 

Box information

Hikvision DarkFighterX technology can provide colourful, sharp images right down to the lowest light levels – in fact to 0.001 lux. The cameras support H.265+ smart codec, which vastly helps to increase bandwidth performance and lower data storage requirements.

And now, the Deep Learning algorithm also significantly improves the accuracy of Smart functions such as intrusion detection, line crossing detection, human body detection, and auto tracking, etc.

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