Hitachi VK-S454 Block Camera ‘sets new standards for image quality’

Advanced digital signal processing (DSP) technology ensures outstanding colour reproduction and low light performance, capable of capturing details such as facial features, clothing, and automobile colours that can serve as vital evidence. Setting a new standard for imaging quality, night or day, the Hitachi VK-S454N/EN marks another phase in the evolution of digital surveillance systems.

A newly designed 23x auto/manual focus optical zoom lens delivers enhanced resolution, clearly capturing subject details at long distance. Proprietary Hitachi auto-focus control makes it possible to track rapidly moving subjects, while the addition of a 12x digital zoom delivers a maximum zoom factor of 276x. The improved lens design produces crisp clear details, even in peripheral areas of the image. Advanced digital signal processing ensures outstanding colour reproduction and combined with the latest CCD technology provided quality pictures in challenging viewing conditions. Special frame noise reduction techniques minimize random noise and after-images often associated with moving subjects. Conventional surveillance camera systems using interlaced scanning are not capable of producing clearly identifiable images of moving cars or people. The interlace method uses two scans to create a single image frame, producing jittery, poorly defined images when still images are pulled from the video feed. Progressive scanning incorporated in the Hitachi VK-S454N/EN records the frame in a single sequential scan, creating sharp, high resolution still images, with clearly defined lines and contours. It is possible to mask the camera’s view of areas subject to privacy concerns, such as windows and entrances. The position and size of the mask is maintained, even when the camera pans, tilts or zooms, making this unit particularly suitable for surveillance of public areas. To further enhance the picture quality frame noise reduction is built in combined with wide dynamic range enabling you see into dark areas of brightly lit areas. The digital output provides lossless, noise-free data maximising the camera performance whil;st standard analogue is also available in both PAL or NTSC version of the camera. The operational temperature has been extended to –20 ~ +60 degrees allowing it to be utilised in colder areas.

The Hitachi VK-S545 offers superb features for the security market with straightforward effective interfaces to meet current market demands whilst providing a green solution.

 

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