Samsung SHC-730N/P User Manual download pdf (Page 5)

CAMERA TERMS & FEATURES

SAMSUNG DIGITAL CCTV SYSTEMS_09

HLC (Highlight Compensation Capability)

HLC (Highlight Compensation) is Samsung Techwin's unique BLC

technology that detects if any strong spots of light exist and

compensates for the area as needed to produce clearer images.

Spotlight BLC is especially effective for reading the number-plates of

cars in streets or parking lots at night.

MD (Motion Detection)

This is a function where the camera analyzes successive frames of video

and can detect movement in the scene. Units that use MD utilize various

types of thresholds that can be programmed by the user to prevent or

reduce false alarms. If the type or level of motion crosses these

thresholds, the unit can automatically react in a way that benefits the

system. In cameras with MD, a visible alert message can appear on the

screen. In some models, a contact output

from the camera can be used to switch a

picture to a particular

monitor, calling the

attention of the operator.

Auto Digital Flip

The auto digital flip feature allows for more convenient way to view an

objects that pass directly below the camera. As the camera pans in the

vertical direction to follow the object, the digital flip feature will

automatically flip the image 180° as the object passes beneath the

camera, and continue to follow the subject without delay.

Smart Zoom

The advanced smart zoom feature provides a quick way to automatically

pan, tilt and optically zoom in to an area where the motion is detected.

This allows the operator quickly identify a subject that is in a restricted

area.

Auto Tracking

The advanced auto tracking feature provides high-accuracy detection of

moving objects in targeted area by identifying the characteristics of the

subject including color, shape and contrast using advanced algorithm.

This feature will automatically pan, tilt and optically zoom to identify a

subject clearly. This allows the operator easily identify and lock a subject

on the screen at

a push of a button.

Resolution

The ability of the camera to resolve fine detail can make the difference in

obtaining evidence or not. Resolution is measured by a chart with

converging lines of higher and higher density. The resolution is the line

density where the camera is no longer able to reproduce individual lines.

For this reason, resolution is expressed in terms of TV lines (TVL). The

higher this number is, the better the picture.

Dual Power

Units with dual power accept either 24V AC or 12V DC power sources and

will automatically switch to the appropriate mode upon receiving power.

580TVL530TVL

STANDARD TEST CHART

Automatic White Balance

Accurate color reproduction requires that the camera compensate for

the color temperature of the light source. Automatic white balance is a

feature that the camera uses to do color compensation. For indoor

applications incandescent, fluorescent, and quartz lighting all have

different color temperatures. Outdoors there is sunlight, mercury vapor,

and low pressure sodium lighting, all of which have drastically different

color temperatures. In many applications the color temperature can

change as lighting conditions change. Samsung Techwin cameras offer

white balance functions that can be tailored to provide superior color

reproduction over a wide range of color temperature conditions.

Auto Tracking

Auto Digital Flip

Privacy Masking

This function allows for areas in the picture to be masked so that they

cannot be viewed or recorded. The size and position of these masks are

programmable. This feature is useful in

applications where a camera can see into

areas that are not relevant to the security

purposes for the

camera and the owner does

not want to be subject to privacy invasion claims.

Smart Zoom

STREET 1

Motion Detected

CAMERA

Automatic White BalanceNormal

HLC OnHLC Off

>> >

SAMSUNG DIGITAL CCTV SYSTEMS_08

CAMERA TERMS & FEATURES

CCD (Charged Coupled Device)

Charged Coupled Device. This is a solid state semiconductor imaging

device often referred to as an integrated circuit, chip or "imager" solid

state cameras are sometimes referred to as CCD cameras.

CCD

Pixel

Short for Picture Element. A pixel is the smallest area of a television

picture capable of being delineated by an electrical signal passed

through the system. The number of picture elements (pixels) in a

complete picture, and their geometric characteristics of vertical height

and horizontal width, provide information on the total amount of detail

which the raster can display and on the sharpness of the detail,

respectively.

Day & Night

Day & Night refers to a function which helps the camera adapt to low

lighting conditions. In low light, it switches the camera from color to

monochrome automatically, allowing for much greater light sensitivity.

ICR (Infrared Cutfilter Removal)

The IR cut filter is on when the camera is operating as a color camera for

precise color reproduction. With ICR, the filter is removed which allows

for much greater light sensitivity in monochrome mode.

Sensitivity

A camera's ability to reproduce a given scene with a given amount of

light. Usually expressed in footcandles or lux. The sensitivity of a CCD

camera, broadly speaking, is a measure of its performance in low light

conditions.

WDR (Wide Dynamic Range)

Wide Dynamic Range (WDR) technology helps to get detailed information

from the dark part of the image without saturation from the bright part.

There is no limitation of zone area with the WDR function and the color

image is crisper than when using traditional BLC functions. It combines

two fields which are high shutter speed exposure in bright areas and low

shutter speed exposure in dark areas into one composite image.

Normal WDR

Day

Format sizes in mm

LIGHTING LUX LEVEL

Unobstructed sun 100,000

Sun with light cloud 70,000

Sun with heavy cloud 20,000

Home / office lighting 100-1000

Sunrise / sunset 500

Street lighting 1-10

Twilight 4

Full moon 0.2

Quarter moon 0.02

Overcast moon 0.007

Clear night sky 0.001

Average starlight 0.0007

Overcast night sky 0.00005

6.4

4.8

1/2”

1/3”

4.8

3.6

Night

BLC (Back Light Compensation)

In CCTV applications it is common to have a bright light source behind

the subject of interest. A person at an ATM or entering through an

outside door are common examples. Without compensation, these

subjects would normally appear as dark silhouettes. The aim of backlight

compensation technology is to allow the camera to find the best picture

conditions and automatically give the necessary light level compensation,

so that users can obtain good identification of a subject in the foreground

when there is a bright light source in the background. BLC works by

enhancing specific zones in the picture which usually contains the subject

of interest. WDR is a more effective alternative to BLC that does not

depend on the subject being in a specific zone.

Normal BLC

3.2

1/4”

2.4

1.6

1/8”

0.7

PIXEL

1 2 3 4 5 6 7 8 9 10 ... 30 31

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Samsung SHC-730N/P User Manual Page 5

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