2011年12月6日 星期二

What Are an IP Camera and a PTZ Camera?

The difference between an IP camera and a CCTV camera (Closed Circuit Television) is that though both capture and record movements and can be played back, IP camera can enable transmission of the data over the internet. If an organization with several offices across countries, in order to trace activities in all these offices, an IP Camera comes in handy. That's why all international companies employ IP camera as their security system in their regional offices.


Benefits of using IP Camera:


One can view live video over the internet from any corner of the world.


With an IP camera, the images are more clear as you get rid of interlace problem. You will get better resolution so that you will get easier identification when the subject is moving. Unlike CCTV camera, IP camera is smart and has more functionality such as alarm management, image enhancement, license plate, face recognition. PTZ features can be done with same network and you need not use separate cable for this. Internet P cameras come with various mounting types such as pole mounts, wall mounts, ceiling mounts and corner mounts. So, they can be easily and effectively installed in any environment


Other appealing features of IP Camera are built in audio, flexibility and cost effective. The features like digital zoom, remote administration from any location, progressive scanning, two ways communication makes IP Cameras superior to CCTV cameras.


PTZ Camera:


PTZ stands for pan, tilt and zoom. A camera that can pan, tilt and zoom automatically is a PTZ Camera and is used in the security system. These are high tech surveillance cameras that are used by big organizations. The special feature of PTZ camera is it can easily focus on a license plate or the face of the passerby surrounded in a crowd. Thus, it helps to catch the criminals red handed as you can easily zoom and focus on the face of the intruder easily.


PTZ Camera has intelligent processor that helps to find the suspicious activities such as trespassing, shoplifting automatically. PTZ Camera offers remote monitoring and control abilities. Its RS485 protocol helps to perform various functions. PTZ cameras can be flush or surface mounted and can be used in indoor and outdoor usage.


Uses of PTZ Camera:


Since PTZ Camera can able to pan and tilt, it can cover a wider. You can auto track objects or people of interest.


PTZ Camera is used for public access in meetings. It helps to record various angles of a meeting. It can be even incorporated to capture what they need to. area than the lens might allow. With its zoom function, you can get closer view of trespassers or other items.


PTZ Cameras are used for watching wildlife. Since these are less intrusive, it is used to monitor hunting bait piles or other wildlife scenery.


Using an IP system with PTZ equipment, big organizations can certainly have the ability to monitor their system from any part of the world.

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