Digital Surveillance is the next big wave in video
surveillance industry, and will bring the fundamental changes in home
monitoring, business surveillance and safety.
The following chart compared 3 main types of digital
surveillance system to aid make decision when purchasing digital surveillance system.
|
|
Strength
|
Weakness
|
Application
|
|
DVR
|
- User
friendly interface
- Full
features
- Easy
to operate
- Support
local storage
|
- No
or limit networking function
- Hard
to scale
|
- Local
monitoring
- High
density of monitored spots
|
|
NVS
(Network Video Server)
|
- Small
dimension
- Reliable
Network
- High
Extensibility
|
- Less
operability
- No
local storage
|
- Distributed
monitoring
- Centralized
management
- No
attendant working environment
|
|
IP Camera
|
- Integrated
device
- Easy
to deploy
- Lower
cost
|
- Only
support one input channel
- Reliability
need to improve
|
- Low
end application like family and enterprise
|