Intelligent Network Video: Understanding Modern Video - download pdf or read online

By Fredrik Nilsson

Providing prepared entry to the protection industry’s state of the art electronic destiny, clever community Video presents the 1st entire reference for all these concerned with constructing, enforcing, and retaining the newest surveillance structures. Pioneering specialist Fredrik Nilsson explains how IP-based video surveillance platforms supply larger photograph caliber, and a extra scalable and versatile method at lower price. a whole and sensible reference for all these within the box, this quantity: Describes all elements appropriate to fashionable IP video surveillance structures offers in-depth information regarding snapshot, audio, networking, and compression applied sciences Discusses clever video architectures and functions deals a accomplished list for these designing a community video process, in addition to a platforms layout instrument on DVD Nilsson courses readers via a well-organized journey of the construction blocks of recent video surveillance platforms, together with community cameras, video encoders, garage, servers, sensors, and video administration. From there, he explains clever video, the architectures and normal functions linked to this fascinating know-how. Taking a hands-on process that meets the wishes of these operating within the undefined, this well timed quantity, illustrated with greater than three hundred colour images, offers readers with a deeper knowing of ways surveillance expertise has built and, via program, demonstrates why its destiny is all approximately clever community video.

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Sample text

Network video, often also called IP-based video surveillance or IP-Surveillance, is a system that gives users the ability to monitor and record video, as well as audio, over an IP network (LAN, WAN, or Internet). Unlike analog video systems, network video uses an IP-based network rather than dedicated point-to-point cabling as the backbone for transporting video and audio. 1 A network video system consists of many different components, including network cameras, video encoders, and video management software.

It also is possible to use special lenses that compensate motion during the exposure time. 7). 7 Video without EIS (top), and video with EIS (bottom). 8 Many network dome cameras have as many as 100 preset positions that can be set. 8). Once the preset positions have been set in the camera, it is very quick for the operator to go from one position to the next. 9). A guard tour enables the camera to automatically move from one preset position to the next in a predetermined order or at random. The viewing time between one position and the next is configurable.

In addition, the DVR offered limited scalability. Most DVRs offered 16 or 32 inputs, which made it difficult to cost-effectively build systems that were not multiples of 16, for example, systems with 10 or 35 cameras. 4 Video Encoder-Based Network Video Systems The first step into a networked video system based on an open platform came with the introduction of the video encoder, which is also often called a video server. A video encoder connects to analog cameras and digitizes and compresses the video.

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