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News

Advanced imaging capabilities of 4K security camera

Sony Professional Europe : 14 April, 2015  (New Product)
Sony has taken security surveillance to the next level of detail with 4K imaging capabilities with intelligent scene capture
Advanced imaging capabilities of 4K security camera

Sony is adding 4K imaging to its line of security technologies, with the new SNC-VM772R camera. The new model combines the enhanced resolution of 4K with low-light sensitivity using 1.0 type back Illuminated Exmor R CMOS image sensor, bandwidth optimization features, and intelligent scene capture capability to adopt the best picture quality, ideal for city surveillance, transportation, railway, traffic monitoring and airport surveillance applications.

4K technology gives security users the ability to capture content at four times the resolution of Full HD (1080p). With the exceptional detail provided by 4K technology, security professionals can expand their wide area surveillance and still capture, magnify and examine the smallest parts of a scene like a face or a car licence plate number – all with a single camera. The SNC-VM772R camera combines these benefits with enhanced visibility, reduced total system costs and flexible and easy installation.

"4K is the new video security standard," said Katsunori Yamanouchi, Vice President, Sony Professional Solutions Europe. "But 4K imaging is about more than just increased resolution. It's also expanding the application potential of security cameras and helping to transform security and surveillance. The increased resolution covers a larger area, improving situational awareness and ensuring nothing is missed. These benefits help security professionals reduce installation and operating costs as fewer cameras are needed for specific areas."

The introduction of the SNC-VM772R to the security industry extends Sony’s 4K leadership in the broadcast and production industries, where Sony’s 4K cameras are shooting blockbuster movies, popular television shows and major sporting events. Sony’s 4K digital cinema projectors are in cinemas worldwide and Sony’s 4K TVs bring content to consumers.

Sony has developed several unique technologies to overcome the challenges of 4K cameras in the market: improving visibility and light sensitivity while reducing the amount of bandwidth needed to handle large 4K files.

Low-light Sensitivity

Higher-resolution imaging has traditionally come at the expense of low-light sensitivity.  The new SNC-VM772R uses a 1.0 type 20MP Exmor R sensor and is capable of 0.1 lx sensitivity for clear image capture in light and dark conditions.

A back-lit structure doubles the camera’s light sensitivity and a built-in infrared (IR) light source -- not available on any other 4K security camera in the market – enhances low-light use and nighttime shooting with visibility at longer distances.

In wide area coverage, various lighting conditions exist during the day and night.  SNC-VM772R also has 90dB wide dynamic range and 30fps to deliver clear, sharp images for better visibility and recognition.

Finally, an industry-leading 2.9-times motorized zoom lens is matched to the image sensor to maximize video resolution. The lens features optical image stabilization and helps capture images with low distortion.

Flexible settings and optimised streaming

The new camera uses Sony’s unique bandwidth optimization technologies so users can customize streaming settings and the camera’s operation.

An Intelligent Coding feature reduces storage and bandwidth consumption by adopting different compression depending on the area of interest. Intelligent Cropping and Multi-Tracking show an overview of an area and allows for “region of interest” selection of up to a maximum four areas at a time, so users can select only the portion of an image they want to see in 4K resolution, while also streaming a scaled full HD image. This results in 50 percent less bandwidth consumption by reducing the amount of video transmitted in 4K resolution, and makes wide area monitoring more effective and targeted.

Intelligent Cropping has two patterns for selecting the size and number of areas, and also employs two modes: Static, to view multiple fixed areas in one scene; and Dynamic, to detect moving objects.

Evidence Shot lets users see critical moments in the camera’s highest resolution of 20MP in still shot mode, which is 2.4 times more pixel resolution of 4K. Alarms can be sent with Video Motion Detection for specified scenes.

Wide selections for setting best images

The Intelligent Scene Capture function automatically adjusts and adapts picture quality (brightness and color) depending on time, weather and lighting conditions. The SNC-VM772R camera also allows users to customize picture parameter presets for the best settings between day/night and multiple picture configurations can be saved and switched either manually (using the Picture Profile mode) or according to schedule (Picture Profile Scheduler).

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