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Assessment methods are, this intelligent products belong to which level. Assessing the grade of the product range of intelligent video analysis software algorithms play a role which would basically to solve the level of intelligent video surveillance system in question. In this way, users can choose according to your own security needs, to safeguard as far as possible the greatest safety benefits. Assessment method, described in the theory of the specific evaluation criteria and methods of intelligent video surveillance system article. That is, "5 grade scores of intelligent assessment method for classification of" intelligent video analysis to evaluate the function. As first a grade range of products, its intelligent video analysis of role very difference, fundamental cannot practical; second a grade range of products, although can recognition out people and property (is target of size or shape), but cannot discriminant people and property of behavior exception, its intelligent video analysis of role does not pass, thus the products also cannot reached practical; third a grade range of products, can in at room temperature, indoor conditions Xia recognition out people and property of some exception behavior, its intelligent video analysis of role also can, is reached pass, Therefore the product can only be limited to indoors at room temperature and other conditions of application; fourth grade range of products, can be detected in crowded scenes video surveillance of abandoned (discards), can be very effective in detecting such as airport baggage of being left alone, or kept in museums and warehouses of stolen goods. Generally and guard against theft, fire, access control system, and more accurate detection and recognition of human face, gait, or sound, and so on. This a grade range of products or system can in General outdoor, conditions Xia recognition out people and property of behavior exception, its intelligent video analysis of role good, anti-interference of ability better, is reached good, thus the products can obtained indoor outside using; fifth a grade range of products, can than 4th a grade range more bad of climate conditions Xia detection to above grade of people and property of behavior exception outside, and can detection to more full more of people and property of behavior exception, as people of masked, and took out knife or gun alignment people,, And accurately and guard against theft, fire, access control system, can accurately detect recognize human face, gait, and voice, and so on. Because it can eliminate all interference and can be used in extreme circumstances, and thus the level for the outstanding level, its intelligent video analysis is very good, intelligent level is extremely high (this is our diligently direction).
Evaluation method wireless security camera and the second is from intelligent software algorithms for assessing the role of intelligent video analysis and recognition technology. Because intelligent video analysis and recognition technology is the core of intelligent software algorithms (may refer to the intelligent software in 2008 I published article is the core of intelligent video surveillance system). Therefore, from intelligent software algorithms to assess the effects of intelligent video analysis and recognition technology really applies. In General, intelligent video analysis and recognition technology works, namely practical algorithm of intelligent software, mainly to see if we can meet several of the following requirements.
1, for different monitoring scenarios between the mathematical model of intelligent software algorithms and degree of match. Mathematical model of the intelligent software algorithms take into account the influence of different monitoring scenarios, that is, whether the monitoring environment with intelligent software algorithm model for maximum consistency. Classification of the target size as an important feature, usually in great depth in the scene, size change by a big margin targets, target classification accuracy will be greatly reduced at this time. This can be accomplished in reducing the depth of the scene, or join scene calibration algorithm, or reduce size characteristics in classification algorithm of weight in a way.
2, on the intelligent software algorithm framework is attached under the different scenes in a number of software modules:
2010 and the 16th Asian Games Guangzhou Asian Games in Guangzhou, China on November 12, 2010 go smoothly, and was a complete success! 199 gold medals in China, total number of medals won 416 honors top, once again demonstrates video surveillance our sports power China style!
To carry forward the spirit of the Asian Games Sports, and show the style of the black cats Defender! On November 28, organized by the black cats Defender cultural friendship badminton tournament at the Shenzhen sunshine and sports center of SACF successfully held. The contest is divided into men's singles group, the women's singles groups, mixed groups, taking three wireless security camera games won the second race. By three hours after the first round, and the knockout stages by 5 players entered the final heads-up for hegemony. All strength, after a brilliant, passionate, tough few rounds back, and ultimately by Tang Director Cheng Tengfeng won the combined title, Cheng Tengfeng won the men's singles champion of the Sales Department, customer service department Zhang Lifeng won the women's Singles Champion! Here, for their warm congratulations to the triumph of!!
This contest is the guardian of the black cat culture since the team formed, another style of competitive activity in the holding, which enriches all spare time, reach the purpose of strengthening, more have enhanced the cohesion of the team!
Group of mixed double champion, men's Singles Champion (right)
Tang Director for the women's Singles Champion Award
Competition photo
author:Nita Hoak, security-cctv-camera.com's commentator
source:http://www.security-cctv-camera.com/
http://community.mtv.com/profile/wolfj29/Content/Post/MyPosts2.aspxhttp://mckissack.allmyblog.com/
2010 and the 16th Asian Games Guangzhou Asian Games in Guangzhou, China on November 12, 2010 go smoothly, and was a complete success! 199 gold medals in China, total number of medals won 416 honors top, once again demonstrates video surveillance our sports power China style!
To carry forward the spirit of the Asian Games Sports, and show the style of the black cats Defender! On November 28, organized by the black cats Defender cultural friendship badminton tournament at the Shenzhen sunshine and sports center of SACF successfully held. The contest is divided into men's singles group, the women's singles groups, mixed groups, taking three wireless security camera games won the second race. By three hours after the first round, and the knockout stages by 5 players entered the final heads-up for hegemony. All strength, after a brilliant, passionate, tough few rounds back, and ultimately by Tang Director Cheng Tengfeng won the combined title, Cheng Tengfeng won the men's singles champion of the Sales Department, customer service department Zhang Lifeng won the women's Singles Champion! Here, for their warm congratulations to the triumph of!!
This contest is the guardian of the black cat culture since the team formed, another style of competitive activity in the holding, which enriches all spare time, reach the purpose of strengthening, more have enhanced the cohesion of the team!
Group of mixed double champion, men's Singles Champion (right)
Tang Director for the women's Singles Champion Award
Competition photo
author:Nita Hoak, security-cctv-camera.com's commentator
source:http://www.security-cctv-camera.com/
http://community.mtv.com/profile/wolfj29/Content/Post/MyPosts2.aspxhttp://mckissack.allmyblog.com/
Tags: video surveillance wireless security camera video surveillance wireless security camera video surveillance wireless security camera
Currently on the market there have been many brands and types of digital video recorder (DVR), both for foreign brands, there are also domestic brands of; PC, there are embedded;-PC can be further divided into LINUX-based operating systems and WINDOWS operating systems, and so on. Facing numerous Digital hard disk video recorder on the market (DVR), how people should choose?
Based on many years of work experience in the security industry, it is recommended that project developers and users at large should examine and choose from the following six aspects meeting the requirements of their own DVR.
A common fallacy, exclude views
Fallacy 1:Windows operating system instability, affecting stability of hard disk recorders
The stability of the system depends on two aspects: hardware and software, software, operating system and video software in two parts, either Windows98,Windows NT,Windows2000 or the Windows XP, are common throughout the world very good software, and as a DVR using just a small part of the operating system functions, there is no reason to doubt the stability of any operating system.
But video surveillance the use occurs during job insecurity, panic, what is causing the problem? It can be said that 100% is unreasonable or video hardware configuration software (application software) and nonstandard programming is causing the lockup.
Fallacy 2: machine card is causing a hardware conflict, affecting the stability of the system.
This problem often is the use of technology not mature or pirated wireless security camera video compression card card caused by, another reason is that hardware system setup has a problem. Machine cards are widely used industry standard, there is no reason to doubt their stability.
Fallacy 3: DVR Association "system halted"
Next-generation digital hard disk video recorders generally have a software or hardware watchdog protection system, when a hardware failure occurs, it will issue a warning prompt when software fails, it will automatically restart and automatic recovery. Therefore, no one's practice to keep the control room can rest assured that use.
Fallacy 4: DVR would not "system halted"
Although DVR from PC machine's software environment, on the surface completely solved the crash problem, however, if the hard drive fails, it as dead right. In fact a hard drive failure is one of the major fault of the DVR.
Fallacy-5:PC DVR has fallen behind, DVR is the development direction
PC-DVR forever with IT industry developments, network transmission, image quality, video processing speed far superior embedded systems, and on the action using the intuitive, flexible, fast and so on is incomparable for embedded systems, but its greatest weakness is vulnerable to malicious destruction of human, and this is precisely the advantage of embedded systems. So for now the two types of hard disk recorders their own strength, there will be a coexistence period.
Second, select a brand with intellectual property protection
Buy brand DVR mean selecting the qualified hardware devices, select licensed software, software upgrades are available in the future, if the system needs to be changed or expanded to the developer for technical support, will not be wasted investment, protect their investment interests.
Third, select after legitimate body inspection and certification of qualified
DVR detection in China at present, the only legal bodies are: the Ministry of public security police and security electronic products quality inspection center
Truly effective inspection report on its inspection of categories should be: type inspection
DVR production license in China at present, the only legitimate authority is: provincial public security Department
Four times, choose to adopt the latest video compression technology
Broken down by video compression technology, has entered its fourth generation of the today's hard disk video recorder:
First generation using Motion JPEG compression algorithm, which is characterized by large amount of files, consume system resources, so the network transfer speed slow; advantage is clear.
Second generation MPEG-1 compression algorithm, video compression process all done by the video card (hardware compression), do not consume CPU resources, so performance is very stable, is characterized by the amount of data is large, it is difficult to transmit over the currently used in a wide area network.
The third generation of MPEG-4 compression algorithm, characterized by a stream of smaller, very suitable for real-time audio and video image transmission network pure hardware compression, performance is more stable, so you can integrate greater functionality.
The fourth generation product is that we are the most popular H.264, also some other non-mainstream compression algorithm, which is not a presentation.
Five, Optional powerful integration of intelligent machines
Six friendly machine, easy to choose easy to use and manage
author:Kelly Brummond, security-cctv-camera.com's commentator
source:http://www.security-cctv-camera.com/
http://azwraith1007.hazblog.com/http://www.photoblog.com/Kyllonen/
Tags: video surveillance wireless security camera video surveillance wireless security camera video surveillance wireless security camera video surveillance wireless security camera
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