Video monitoring is a long-distance real-time monitoring system, through the
visual field of the condition monitoring and electron optics remote real-time
video collection, low delay) for monitoring field of information. The
traditional video monitoring has been widely used in scientific research,
exploration, transportation, medical, etc. Video monitor's main purpose is to
achieve through mechanical control of property protection. Our every huge input
in video monitoring system. Along with the development of technology, although
the traditional video monitoring system also has made progress, but the system
itself, but difficult to get rid of the characteristic construction cost is
high, construction period longer difficult. These obstacles video monitoring
system, further restrict the application in the field to more on economic
development, especially the effect of civil field.
Video monitoring systems (1)
Video monitoring system, by the camera, transmission equipment, monitor
coder. Traditional system has the following characteristics.
Responding to image signal: simulation, MPEG encoding used in part, the
rate varied.
Responding to image quality: general or higher clarity.
Characteristics: the second-ranking dispersed network, to form a
network.simple.
Responding to exchange properties: no, program-controlled exchange air
links.
Storage: simulation method adopts video.
Adopts fixed characteristics: direction control functions are part of
late.
Source: the second-ranking channel or leased private network.
Adopts fixed position: the deployment of speed, deploy cycle is long, slow
speed.
Traditional video monitoring system.
Responding to monitor function: single function, main node to monitor.
Responding to control functions: occasionally USES, using in difficulty.
Application: use the second-ranking, according to individual enterprise to
narrow the scope of construction, the user.
Adopts information: information using a single utilization efficiency,
low, difficult to share.
Responding to network system: various network system and technology exists
in the network.
Construction scale: single second-ranking network, network, and network
into smaller grading structure.
Responding to construction and maintenance cost, input.
Wireless video monitoring system (2)
Using video monitoring system, wireless network as the network
transmission system, has the following characteristics.
Digital image signal: mainly adopts, MPEG, h.264 or AVS.
Responding to image quality: according to deploy and upgrade
high-definition or low resolution images.
Characteristics: ShengJu second-ranking network, and consequently, the
city bureau bureau (people), cut in.
Responding to exchange properties: streaming media IP packet switching.
Storage: according to demand responding to select different grade rate
digital storage.
Responding to control characteristics: an authorized user access control
anywhere, anytime.
Source: networks, responding to channel, dial-up access, rent wireless
access.
Using 3G wireless network video monitoring system for transmission has the
following advantages.
Functions: the second-ranking surveillance function is diversiform, can
monitor to different site.
Responding to control access control functions: anytime.
Scope of application: the second-ranking widely used, networks and the
public network by using authorized users.
Adopts information for private network and utilization: can use, can be
fixed tele-and datacom solutions to every minute value. Deep
Responding to network system, network system, technical wide adaptability.
Responding to government and enterprise network scale: the monitoring
network can organically, forming process cut in.
Responding to construction: high efficiency, can put in use in networks
and the public network for investment balance.
Wireless video monitoring system, 3 cases of application
(1) the family economic monitoring system
The development of 3G technology for video monitoring system, provides the
opportunity to take a family. Using low cost of video camera terminal, through
the family network, to 3G wireless hand-held terminals outer office users of
transmission of real-time video signal.
Family and monitoring system of special video monitoring system, video
monitoring system for different video signal collecting long-term continuous
monitoring. Families because of cost and monitoring system of practical
application, no long-term continuous monitoring in an accident, only for a short
period of time, to monitor and assist users pictures, alarm.
Family monitoring system processes:
1 the camera at the gate of the house, when the abnormal condition,
surveillance camera system by physical startup,
2 after the start, similar to the camera, calling subscriber householder,
3 the wireless network video cameras will call forwarding to householders
mobile,
4 users receive video call in on mobile phones, can watch the house, and
through the camera phone control. When is confirmed after abnormalities, can
immediately alarm.
Family monitoring system, only need low input user purchase video
monitoring. Video surveillance video detection system, the user when going out
in the open system.
(2) rapid low cost of distal road monitoring system
Radio surveillance system is another useful feature in the use of wireless
remote places, or difficult to lay lines of the construction of local cable
radio monitoring. Because of this place is not big, so you can telephone traffic
for wireless bandwidth to occupy video monitoring, low cost, and reduce the
damage of equipment, the risk of pilferage.
(3) recycling disaster monitoring system
Meet disaster, can build the wireless monitoring. Radio surveillance
system construction, can be avoided, and system control cable length of cable
systems, winding knot. And after the disaster, the system can be recycled.
4 wireless video monitoring system of zte solution
Using the current td-scdma 3G network operators, zte for wireless
surveillance system provides end-to-end solutions, including can control the
camera, starting from the core network, wireless network, and a series of
products such as business platform fixed-line and mobile network solutions. Td-scdma
as wireless surveillance system network advantages as follows:
(1) 3GTD make full use of network resources, td-scdma 3G technology
business operators, as rich characteristics for greater investment returns,
(2) to help users to enjoy more of the family business, especially the 3G
security operations,
(3) help monitor system of regional development to the broader public
security, transportation, career development,
(4) construction safety monitoring system, public traffic, reduce
equipment, lines, stolen, destroy the risk control, steal, especially the
important link of starting technology in China, to national security vendors
hand,
(5) wireless surveillance system costs low, save the country vast
resources, and civil and utilities, improve the network resources utilization,
and make a new network investment interests.
As monitoring technology, image processing technology, the communication
technology development, monitoring system, and also to the further development
of future wireless surveillance system will be more intelligent combine multiple
video monitoring technology, make more timely. And with motion detection,
pattern recognition, facial recognition technology development, the wireless
surveillance system will continuously reducing video alarm for the country,
invalid national security, low cost, provide more effective monitoring method.
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