On the wards in Chartres

August 2012 Surveillance, Healthcare (Industry)

Hikvision’s network speed dome cameras and 4CIF IP cameras are being used at the Louis Pasteur Hospital in the city of Chartres in northern France to protect patients, staff and visitors.

This district general hospital, situated to the southwest of Paris, is a 528-bed facility offering general surgery, convalescence and a maternity unit. There is also emergency in-patient accommodation and a specialist respiratory department.

The Hikvision products being used here offer real-time compression, allow network transmission to multiple clients simultaneously and have the flexibility of optical performance – including wide dynamic range (WDR) – required at a site with activity as varied as that of a hospital.

At the Chartres application, Hikvision’s technology partner, ARGOS Technologies, has integrated the cameras with its own NVR and multiplexer solutions to enable hospital authorities to monitor visitor activity, alert on possible intruders and assess the efficiency of hospital logistics including patient admission and use of emergency vehicles.

All hospitals present broad video surveillance requirements, with camera footage being used to record interaction between patients and reception staff, monitor flow of people and use of ambulance bays, and protect crucial high-value items such as controlled drugs in pharmacies.

Many of the Hikvision network speed domes are located in foyer and reception areas where extremes of shadow and highlight have presented a major challenge.

Similarly, the 4CIF IP box cameras are being used externally at approach areas, on walkways and in car parks, all on a 24/7 basis and thus with varying illumination. The hospital therefore required cameras offering true day-night functionality which could accommodate IR focus switch, trigger alarms on motion detection in areas prone to loiterers and allow control of saturation, brightness and contrast through client software. Problems associated with fluctuating lighting conditions, even during the day, and the hospital’s requirements as to the graduation of exterior to interior light levels have been solved by the versatility of the Hikvision speed dome cameras.

Features such as 128x WDR have allowed the integrator to provide hospital management with clear images and filter out the ‘noise’ caused by contrast between bright sunlight and muted interior lighting. As with other hospitals, lighting contrast has been increased by the presence of large glazed doors which are crucial to allow surgical teams and wheelchair-users easy access.

With 36x zoom and horizontal resolution of up to 540TVL, the speed dome cameras also help to observe interaction between patients and staff – to the point of capturing a clear image of people’s faces and close analysis of incidents.

The Hikvision 4CIF network cameras are benefiting hospital security staff. In remote car park areas and the hospital perimeter, the cameras can operate in B/W mode at very low light levels. The camera’s IR cut filter ensures the correct focal shift as the transition is made from day to night operation. In addition to motion detection, security officers at the hospital can receive alarms on video loss, network disconnection, IP address conflict and storage exceptions.

The camera footage is recorded on ARGOS’ own ‘MUX’ dual-redundant network video recorder (NVR) and images are viewed on ARGOS’s SEFVMX 4232 multiplexer with mouse-driven or joystick control. The MUX recorder is an open-protocol solution which operates with IP and megapixel cameras as well as encoded streams from analogue devices. The ARGOS NVR allows precise PTZ control over IP, and offers high-capacity storage on disk with easy export to removable media including USB devices.

Polo Cai, vice president of Hikvision, said: “Few organisations make more complex demands on their security equipment than hospitals or are more aware of social obligations in ensuring that best-of-breed technology protects patients and staff. Installed by one of our trusted technology partners, the Hikvision cameras are forming part of a versatile and robust solution.”

For more information contact Hikvision, +86 571 8700 6060, [email protected], www.hikvision.com



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