Ten Reasons to Buy a Network Camera

Focus 10 of the most important functional differences between analog and network cameras

End to interlace problems 1

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 clear images even with a high degree of motion in the scene Progressive scan Entire image captured 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 Progressive scan 1. End to interlace problems

Power over Ethernet increases savings and reliability 2

No need for power outlet at camera location IEEE802.3af Industry standard 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-in support for PoE can take advantage of a UPS device

Megapixel resolution 3

Many resolutions Different aspect ratios 1 megapixel is 10x the resolution of CIF, 2 megapixel is 20x! Digital 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 CIFMegapixel

3. Megapixel resolution Resolution comparisonsAspect ratios

Intelligence at the camera level 4

Intelligent video Purpose-built, highly integrated hardware Intelligent features: Built-in VMD, Alarm management, Image enhancement 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 Hallway Door Excluded Included

Integrated PTZ input/output control 5

Integrated I/O can trigger anything and be triggered by anything PTZ control over the same network that transports the video PTZ commands sent over the IP 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 audio 6

Audio captured at the camera Synchronized with the video Can be integrated into the same video stream 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 and open a door remotely

Secure communication 7

Video encryption Authentication using encrypted certificates Authorization: to verify and approve the identity of the device Privacy 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 8

IP = established, standardized, interoperable Digital images = no quality reduction Many streams transmitted over the same line 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 - Security convergence IP in Industrial Solutions IP in Security IP in Voice Over IP IP in Building Management Systems The IP way

True digital solution 9

Images digitalized once Stay digital No unnecessary conversions No 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 10

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 future belongs 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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