[ Pacific Security Network News ]
Different application markets have different requirements for image quality. This is unquestionable; different compression formats are applied according to different image quality requirements, which is also the best choice for security video. Everyone knows that hard disk usage will be the only controllable space in the future DVR usage cost. Therefore, how to make reasonable use of limited hard disk space and maximize the optimization of hard disk usage is the most important factor for users when purchasing products. one.
The monitoring device first exists for security, and secondly it is applied to management. Network application is the development direction of future monitoring. I personally agree with this point of view. However, there are many manufacturers in the market to speculate. In the network technology and image compression technology, the image cannot be clearly transmitted on the network. Next, we have too many concepts to speculate on products, that is, we are doing a show.
As for the unique requirements of the real-time image of the Chinese mainland market, I believe that the current compression technology and transmission technology to discuss product development, to achieve clear video and ensure the real-time transmission of images, must adopt a variety of compression formats in one, a variety of maps In the same format, the video screen and network monitoring are separated, so that our products can ensure smooth and real-time network monitoring under the premise of clear real-time video.
In other words, the pure pursuit of the network, the current network resources and image compression technology applications often ignore the fundamentals of video and surveillance, that is, to collect clear and high-quality images for evidence; simple pursuit of clarity, guarantee forensics and The retrieval is true, but the transmission of images is a problem. The contradiction between the two can not be completely solved in the application of technology, our security personnel should be down-to-earth, pragmatic, do not forget the fundamentals of surveillance video.
Any compression format and image size have its advantages and disadvantages. The purpose of the video is to obtain evidence. Therefore, whether the video can be clearly obtained is the key to choosing a server. At present, CIF's screen recording format is used in the market. In general security engineering, it is still acceptable to use CIF format to display image quality; however, in certain industries, such as financial business monitoring, etc. The surveillance video of these business places, these places have frequent cash transactions, and often have disputes, the image quality requirements are very high, CIF quality is far from this requirement.
Obviously, the MPEG+D1 format represents a new generation of picture image requirements, a new concept of D1 (704+576) quality video playback, and the picture is four times higher than CIF (352+288), completely solving the business. The image of the scene monitoring image is not clear, and the problem of obtaining evidence is blurred.
To say whether this will become the future development direction depends mainly on people's understanding of the concept of security, the development of technology, and the current security products will become more and more popular in people's lives. Some people focus on its video forensics. Use it as a management tool. However, in the current market application of servers, in recent years, MPEG+D1 is definitely the development direction of business monitoring.
The monitoring device first exists for security, and secondly it is applied to management. Network application is the development direction of future monitoring. I personally agree with this point of view. However, there are many manufacturers in the market to speculate. In the network technology and image compression technology, the image cannot be clearly transmitted on the network. Next, we have too many concepts to speculate on products, that is, we are doing a show.
As for the unique requirements of the real-time image of the Chinese mainland market, I believe that the current compression technology and transmission technology to discuss product development, to achieve clear video and ensure the real-time transmission of images, must adopt a variety of compression formats in one, a variety of maps In the same format, the video screen and network monitoring are separated, so that our products can ensure smooth and real-time network monitoring under the premise of clear real-time video.
In other words, the pure pursuit of the network, the current network resources and image compression technology applications often ignore the fundamentals of video and surveillance, that is, to collect clear and high-quality images for evidence; simple pursuit of clarity, guarantee forensics and The retrieval is true, but the transmission of images is a problem. The contradiction between the two can not be completely solved in the application of technology, our security personnel should be down-to-earth, pragmatic, do not forget the fundamentals of surveillance video.
Any compression format and image size have its advantages and disadvantages. The purpose of the video is to obtain evidence. Therefore, whether the video can be clearly obtained is the key to choosing a server. At present, CIF's screen recording format is used in the market. In general security engineering, it is still acceptable to use CIF format to display image quality; however, in certain industries, such as financial business monitoring, etc. The surveillance video of these business places, these places have frequent cash transactions, and often have disputes, the image quality requirements are very high, CIF quality is far from this requirement.
Obviously, the MPEG+D1 format represents a new generation of picture image requirements, a new concept of D1 (704+576) quality video playback, and the picture is four times higher than CIF (352+288), completely solving the business. The image of the scene monitoring image is not clear, and the problem of obtaining evidence is blurred.
To say whether this will become the future development direction depends mainly on people's understanding of the concept of security, the development of technology, and the current security products will become more and more popular in people's lives. Some people focus on its video forensics. Use it as a management tool. However, in the current market application of servers, in recent years, MPEG+D1 is definitely the development direction of business monitoring.
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