With the rapid development of video surveillance technology and the elimination of barriers between industries, especially the integration of security and IT, communication and network technology, the overall security video surveillance is also facing tremendous changes. New technological changes not only rapidly improve the quality of traditional video surveillance, such as higher pixels, wider monitoring range, higher resolution, etc., but also create new applications, such as the popularity of network broadband to enable video surveillance Gradually from local monitoring to remote monitoring, the introduction of IT software technology makes monitoring intelligence a reality. All of this has rapidly changed the traditional security industry and presented opportunities and challenges to security companies.
HD surveillance should improve image quality
In recent years, the most mentioned is "digital, high-definition", and HD has become one of the technical development indicators of various video surveillance vendors. For video surveillance, image clarity is undoubtedly the key to high-definition surveillance. The clearer the image, the more obvious the detail, the better the viewing experience, and the higher the accuracy of the smart app. However, one-sided pursuit of high pixels is meaningless, because image quality depends not only on pixel points, but also on image processing techniques (such as image correction, image processing, grayscale processing, gamma adjustment, 2A algorithm, etc.). At present, many manufacturers have begun to invest more attention to image quality and improve product differentiation and performance under the same pixel conditions, such as low illumination, 3D noise reduction processing, wide dynamics and so on. For example, Tyco's integrated security video surveillance solution not only achieves higher pixel density and larger field of view by covering the same area with higher resolution cameras, but also uses a variety of advanced image enhancement techniques to enhance images. quality:
Various resolutions
Wide Dynamics: Allows the camera to capture more detail in a scene with a clear light source for a clearer image.
Strong light suppression: effectively suppresses the large halo caused by direct illumination of strong light, blurs the video image, automatically distinguishes the strong light spot, and compensates the area near the strong light spot to obtain a clearer image.
3D noise reduction: Provides clearer, more accurate images even in low light conditions, saving disk space.
Binning mode: The image obtained under low illumination conditions is better.
Day and night mode: A mechanical infrared filter is provided to provide clear color images during the day and automatically convert to black and white in low light conditions.
Improve low-light performance: In addition to day and night conversion, it also provides Other technologies that improve low-light performance, such as pixel binning, dual sensor monitoring.
Customized exposure programming: This can set the programmed and customized exposure mode for easy configuration by preset environment, such as indoor and outdoor, mobile, noise reduction, etc. Through the shutter, the change of gain value, match your needs. The correlation value and the usage period allow the camera to obtain an optimized image according to the user's settings as the ambient light changes.
Network monitoring is based on saving bandwidth and storage
High-definition monitoring must be networked, because only the video compression processing of images and transmission over IP networks can control the transmission cost of high-definition video. The All-in-One feature of the network camera also greatly saves the cost of the auxiliary materials, making the integrated wiring cheaper and more efficient. However, network monitoring also faces the most direct problem, that is, image transmission is not smooth or storage space is insufficient, how can we save bandwidth and storage? These high cost-effective technologies provided by Tyco Integrated Security can bring greater customers. Return on investment:
New highlights of video surveillance technology
H.265 Video Compression: A new generation of image compression format that saves transmission bandwidth and storage space.
Intelligent image cropping: You can avoid some unimportant images on the sensor, and large images can be cropped horizontally and vertically. Allows only the required data to be transferred and stored, and the discarded data can reduce the use of large amounts of storage space and bandwidth.
TSE (Time Partition Engine): Different from the database index design used by general manufacturers, the time partition engine can directly obtain video data from pre-configured hard disk drives, ensuring synchronous real-time video browsing, recording and playback, when someone crosses the perimeter Or when moving an object, the user can navigate through each live scene with a few clicks of the mouse. Convenient and save bandwidth and storage.
Video staging area: Provides temporary backup space. By simply setting the backup time interval and tapping the mouse, users can easily export video/picture data to the temporary storage area. After the export is complete, the user can check the content of the video/snapshot one by one. After the validity is confirmed, the backup is performed again to save the overall backup time.
Sub-channel: Use the multi-video streaming function of the IP camera to set low frame rate/low video quality full-screen image, and use high frame rate/high RF quality to mark important areas, thus reducing total storage.
Multi-stream design: Users can use the window segmentation function to distinguish important monitoring from 1 to 2 sub-pictures according to the original video. The main video and sub-video are different code streams, and the frame rate and image quality can be adjusted independently. Video recording can be done separately to maximize NVR storage or network bandwidth utilization.
Video surveillance will be more intelligent
Extensive video surveillance applications have brought explosive growth of video data. It is far from enough to identify suspicious signs by human eyes. It is more and more difficult to manually check manually afterwards, turning passive monitoring into active mode and monitoring intelligent applications. Bear the brunt. Therefore, under the premise of meeting high-definition monitoring, monitoring must be combined with intelligent analysis technology, chip technology, image sensor technology, video technology, and communication technology to improve monitoring performance, optimize system architecture, and improve early warning capabilities. Tyco Integrated Security's intelligent video surveillance solution combines security, surveillance and event management, freeing monitors from the tedious and tedious “screen-to-screen†task, providing an easy and customizable operating experience. Ensuring the security of the entire organization is reflected in:
Intelligent monitoring
ROI (interest area) + ePTZ: Select ROI for fast control PTZ camera, users can flexibly view different areas of megapixel camera shooting without sacrificing resolution.
Turbo demo mode: reduce the camera's real resolution to match the browser window size, so that live video recording of multiple megapixel cameras can be played in real time; when a camera screen is expanded to full screen, the best image effect of the actual resolution can be demonstrated.
Transcoding: Provides smooth Internet video browsing with easy remote management, real-time browsing, playback and PTZ control via iPad/iPhone or IE.
Customized user notifications: Support any map downloaded and stored in HTML format, for example, Google Maps, can be re-edited to configure the camera; when the alarm occurs, the map will pop up, users can click on the relevant camera directly on the map , view the real-time picture; also can view and play back the same camera in real time.
Real-time video analytics: Intelligent video analysis based on standard video to identify people, vehicles, and other suspicious behaviors and activities.
Smart Search: Search for videos in a few days in a matter of seconds.
Comprehensive system health monitoring: Provides users with device status in real time and in a visible way.
The future video surveillance will further develop towards high-definition, network and intelligent. At present, the good market development momentum and broad market prospects are beginning to appear. It is believed that with the advancement of the technology wave, video surveillance will help security personnel to deal with the crisis to a greater extent, and become a powerful auxiliary tool for responding to attacks and handling emergencies, giving users a greater return on investment.
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