ten reasons to buy a network camera. focus 10 of the most important functional differences between...

Ten Reasons to Buy a Network Camera

Focus

10 of the most importantfunctional differences

between analogand network cameras

End to interlace problems

11

1. End to interlace problems

Interlaced scan Each image formed from two interlace fields Blurriness from capturing moving objects, even

when connected to a DVR

Crystal clearimages evenwith a high

degree of motionin the scene

Crystal clearimages evenwith a high

degree of motionin the scene

Progressivescan

Progressivescan

Entire imagecaptured at

one time

Entire imagecaptured at

one time

BENEFITS• Superior image quality • Full image details• Precise, accurate information

1. End to interlace problems

One complete frame using progressive scan

Interlaced scan Interlaced scan Interlaced scan Interlaced scan Progressive scan Progressive scan

1. End to interlace problems

Power over Ethernet increases savingsand reliability

22

No need forpower outlet at

cameralocation

No need forpower outlet at

cameralocation

IEEE802.3afIEEE802.3af IndustrystandardIndustrystandard

BENEFITS• Cost savings • Reliability with centralized power backup• Simple installation

2. Power over Ethernet

Not available

2. Power over Ethernet

Both network cameras with and without built-insupport for PoE can take advantage of a UPS device

Megapixel resolution33

Many resolutionsMany resolutions Different aspect ratiosDifferent aspect ratios

1 megapixel is 10x theresolution of CIF,

2 megapixel is 20x!

1 megapixel is 10x theresolution of CIF,

2 megapixel is 20x!Digital PTZDigital PTZ

BENEFITS• More details, easy identification • Digital PTZ, higher reliability and

simultaneous pan/tilt

3. Megapixel resolution

Stuck with NTSC/PAL resolution 0.4 Megapixel at 4CIF and 0.1 at CIF Limited image details

3. Megapixel resolution

CIF CIF MegapixelMegapixel

3. Megapixel resolution

Resolution comparisons Aspect ratios

Intelligence at the camera level

44

Intelligent videoIntelligent video Purpose-built, highlyintegrated hardwarePurpose-built, highlyintegrated hardware

Intelligent features: Built-inVMD, Alarm management,

Image enhancement

Intelligent features: Built-inVMD, Alarm management,

Image enhancement

Intelligent algorithms:Number plate recognition,

People counting

Intelligent algorithms:Number plate recognition,

People counting

BENEFITS• More details, easy identification • More productive and effective means of surveillance• Event-driven• Scalable systems

4. Intelligence at the camera level

Not available

4. Intelligence at the camera level

HallwayDoor

Excluded

Excluded

Included

Included

Integrated PTZ input/output control

55

Integrated I/O cantrigger anythingand be triggered

by anything

Integrated I/O cantrigger anythingand be triggered

by anything

PTZ control overthe same network

that transportsthe video

PTZ control overthe same network

that transportsthe video

PTZ commandssent over theIP network

PTZ commandssent over theIP network

BENEFITS• Less cabling, cost savings, increased

functionality and integration potential

5. Integrated PTZ and I/O control

Cabling separate from the video signal Costly and cumbersome

Example: Typical I/O use –integration with alarm

5. Integrated PTZ and I/O control

Integrated audio66

Audio captured atthe camera

Audio captured atthe camera

Synchronized withthe video

Synchronized withthe video

Can be integrated intothe same video streamCan be integrated intothe same video stream

Two-way audio (duplex,half duplex, simplex)

Two-way audio (duplex,half duplex, simplex)

BENEFITS• Many possibilities: simplex, half duplex, full duplex • Synchronized audio and video• Easy to install, cost savings

6. Audio

Only possible with separate audio lines to the DVR

6. Integrated audio

Entrance control Remote dialogue and gate/door control

Listen in on remote sounds Audio surveillance

Provide audio feedback to surveillance scenes

Example: Communicate andopen a door remotely

Securecommunication

77

Video encryptionVideo encryption Authentication usingencrypted certificatesAuthentication usingencrypted certificates

Authorization: to verify andapprove the identity of the device

Authorization: to verify andapprove the identity of the device

PrivacyPrivacy

BENEFITS• Secure image capture• Secure transmission • Evidence trail secured

7. Secure communication

No encryption No authentication Anyone can tap into the video or replace the signal

from a camera with another video signal

7. Secure communication

Examples of achieving privacy VPN SSL/TLS (HTTPS)

Flexible, cost-effective infrastructure choices

88

IP = established,standardized, interoperable

IP = established,standardized, interoperable

Digital images =no quality reduction

Digital images =no quality reduction

Many streams transmittedover the same line

Many streams transmittedover the same line

A single network wire =hundreds of simultaneous

full frame rate video streams

A single network wire =hundreds of simultaneous

full frame rate video streams

BENEFITS• Image quality, flexibility, scalability,

future-proof• Resulting costs comparatively low

8. Flexible, cost-effective infrastructure

Expensive coax, proprietary fiber, wireless Distance affects image quality Adding power, I/O and audio further

complicates this situation

8. Flexible, cost-effective infrastructure

IT - SecurityconvergenceIP

inIn

dust

rial

Solut

ions

IP inSecurity

IP in Voice

Over IPIP in Building

Management

SystemsTheIP way

True digital solution99

Images digitalized onceImages digitalized once Stay digitalStay digital

No unnecessaryconversions

No unnecessaryconversions No image degradationNo image degradation

BENEFITS• Superior image quality

9. True digital solution

With every conversion image quality is lost: Analog signal digitized in camera’s DSP Digital signal converted back to analog for transport over coax Signal once again digitized at the DVR for recording

9. True digital solution

Lower total cost of ownership

1010

10. Lower total cost of ownership

COMPARE

The cost per channel Flexibility and performance

CONSIDER

Back end applications and storage

Industry standard, open-system based servers vs. proprietary hardware like a DVR

Infrastructure used Can it be leveraged for other applications?

The futurebelongs to

network cameras

Conclusion

The future belongs to network cameras

Market reports

Remote accessibility

Easy, future-proof integration

Scalability and flexibility

Cost-effectiveness

Distributed intelligence

Proven technology

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The world’s leading expert Broadest product portfolio in the industry The largest installed base of network video

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Over 20 years of networking excellence

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*Updated Q1, 2007

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