Vista QP04 series User Manual download pdf (Page 6)

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6

PRODUCT CBC Genie CCTV Honeywell

VSC-22610 VRD83TSPX HD4USX

FEATURES & FUNCTIONS 75% 80% 81%

EASE OF INSTALLATION 80% 80% 80%

BRIGHTNESS COMPENSATION 85% 86% 85%

DARKNESS COMPENSATION 84% 84% 86%

OVERALL RATING 81% 82% 83%

WDR Static Dome Cameras

O

ne of the main problems with video

surveillance has been the capture of

detailed images in applications with

unbalanced illumination. The issue of both

dark and bright areas in one scene has been

addressed by wide dynamic range

functionality. The test was split into two parts:

Brightness Compensation and Darkness

Compensation.

Samsung SCD-3080

Samsung’s SCD-3080 uses the manufacturer’s

SV-5 chipset to deliver high resolution WDR

performance. Resolution is claimed as 600 TV

lines; that’s in standard old-fashioned

horizontal resolution. Sensitivity is quoted as

0.3 lux for a 50IRE image.

Functionality is high, as many have come to

expect from the SV-5 enabled products, and

options include day/night switching, simple

profiles for varying conditions, virtual

progressive scan, SSNR 3D noise reduction,

SSDR, image stabilisation and intelligent

video analysis. WDR can be configured as Low

Middle or High, with Level settings and indoor

or outdoor bias!

A point of note here is that SSDR (Samsung

Super Dynamic Range) is not the same as

WDR. Despite this, some manufacturers like to

pit their WDR offering against cameras with

just SSDR. SSDR is very much for levelling out

subtle shading differences that might affect

detail in a scene. If you try using SSDR instead

of WDR, you will be disappointed, as it simply

isn’t designed for hostile illumination issues.

Switch from SSDR and WDR, and you’ll soon

spot the difference.

The camera is fitted with a 2.8-11mm

varifocal lens. The housing is a simple twist on

plastic unit, and the camera is intended for

internal applications only. Connections are

carried out via three flyleads. These are video

out (BNC), power in (screw-type connectors)

and an output for motion detection alarms, as

well as an input to switch day/night operation

externally, which is welcomed.

Traditionally, SV-5 cameras from Samsung

do offer a high level of flexibility, and rushing

in can result in a poor image. It’s not just a

Wide dynamic range is a hot topic in video

surveillance. Benchmark tested a number of

cameras to see what the technology delivers.

Samsung_pp06-07_000_Benchmark_dec11 13/04/2012 11:11 Page 2

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