Super-wide dynamic CS camera

November 2001 Surveillance

Featuring the same 'starlight' technology as the E-63V1/E-13V1 the E-63W1 from Eagle Technology is an advanced super-wide dynamic CCD camera. It is suited for use in lighting conditions where there is a major contrast between the lux level indoors and the lux level outdoors.

Super-wide dynamic range

It features a 280:1 dynamic range which is 90 times more than that of normal CCD cameras which only have a 3:1 dynamic range. Natural lighting outdoors can range from 120 000 lux to 0,00035 lux. While a camera can see from an indoor room to scenery outside a window, the indoor illumination may be 100 lux and the outdoor scenery may be 10 000 lux. The contrast is 100:1. This type of contrast is easy for the human eye, as it can handle a 1000:1 contrast ratio.

Double exposure technology

Using double exposure technology at 50 frames/s instead of the normal 25 frames/s, this problem is overcome. The camera first takes an image of the darker area with a slow shutter speed such as 1/100 s. This is stored in memory place one. It then uses a higher shutter speed such as 1/4000 s to get the bright zone of the image and stores it in memory place two. The two images are then processed by the DSP and merged to create one image which is replayed and appears to the user as normal 25 frames/s video.

Smear rejection function

Another feature of the E-63W1/E-13W1 is the smear-rejection function. This is particularly important when the camera is viewing an area where light is introduced into the picture that is much brighter than the norm. An example of this is monitoring a vehicle entrance/exit. On many normal CCD cameras, the vehicle's headlamps will cause the image to smear. With our camera, two images are taken at different shutter modes. The images are then processed by the DSP and merged to provide an image without smear.

For further details contact Nathan Bearman, Eagle Technology on tel: (021) 423 4943, e-mail: cctv@eagle.co.za



Credit(s)




Share this article:
Share via emailShare via LinkedInPrint this page



Further reading:

Pentagon appointed as Milestone distributor
Elvey Security Technologies News & Events Surveillance
Milestone Systems appointed Pentagon Distribution (an Elvey Group company within the Hudaco Group of Companies) as a distributor. XProtect’s open architecture means no lock-in and the ability to customise the connected video solution that will accomplish the job.

Read more...
Access & identity expectations for 2024
Technews Publishing IDEMIA ZKTeco Gallagher Salto Systems Africa Regal Distributors SA Reditron Editor's Choice Access Control & Identity Management Information Security AI & Data Analytics
What does 2024 have in store for the access and identity industry? SMART Security Solutions asked several industry players for their brief thoughts on what they expect this year.

Read more...
Access and identity in 2024
Technews Publishing Gallagher HID Global IDEMIA Ideco Biometrics Enkulu Technologies neaMetrics Editor's Choice Access Control & Identity Management Integrated Solutions
SMART Security Solutions hosted a round table discussion with various players in the access and identity market, to find out what they experienced in the last year, as well as their expectations for 2024.

Read more...
Prepare for cyber-physical attacks
Gallagher Information Security Access Control & Identity Management
As the security landscape continues to evolve, organisations must fortify their security solutions to embrace the changing needs of the security and technology industries. Nowhere is this more present than with regard to cybersecurity.

Read more...
Prioritising student safety and operational efficiency
Gallagher Education (Industry)
With an emphasis on student safety, cybersecurity, asset protection, and facility optimisation, Gallagher’s integrated security system provides a comprehensive solution for schools, ensuring the safety of students, staff, and visitors.

Read more...
Embracing next-generation surveillance for safer cities
Surveillance Integrated Solutions AI & Data Analytics
With the South African government highlighting the importance of building smart cities by integrating advanced technologies to make them more resilient and liveable, the role of next-generation network video and surveillance technologies cannot be ignored.

Read more...
Gallagher Security releases Command Centre v9
Gallagher News & Events Access Control & Identity Management Integrated Solutions
Richer features, greater integrations, with the release of Gallagher Security’s Command Centre v9 security site management software designed to integrate seamlessly with various systems and hardware.

Read more...
Hik-Connect for Teams released
Hikvision South Africa Products & Solutions Surveillance
Hikvision has released an update for its security management platform; Hik-Connect for Teams not only meets the specific needs of individual users, but also caters to various medium-sized businesses (SMBs) and multi-site management scenarios.

Read more...
The human factor side of video management systems
Leaderware Editor's Choice Surveillance Risk Management & Resilience
A video management system (VMS) is central to, and the most vital element to any control room operation using CCTV as part of its service delivery, however, all too often, it is seen as a technical solution rather than an operational solution.

Read more...
A simple system for complex protection
Surveillance AI & Data Analytics IoT & Automation
Reconeyez is a company that provides autonomous wireless visual verification systems with built-in artificial intelligence. Running on batteries, each device includes communication capabilities, creating a mesh network between the various devices, linking them to the control room.

Read more...