Download Digital Video Surveillance and Security by Anthony C. Caputo PDF

By Anthony C. Caputo

The use of electronic surveillance expertise is quickly turning out to be because it turns into considerably more affordable for stay and distant tracking. the second one variation of Digital Video Surveillance and Security offers the most up-tp-date and whole reference for defense pros and experts as they plan, layout, and enforce surveillance platforms to safe their locations of business.

By delivering the mandatory factors of phrases, techniques, and technological services, this revised version addresses the latest applied sciences and suggestions available to buy at the present time. With transparent descriptions and targeted illustrations, Digital Video Surveillance and Security is the one ebook that indicates the necessity for an total realizing of the electronic video surveillance (DVS) ecosystem.

  • Highly visible with easy-to-read diagrams, schematics, tables, troubleshooting charts, and graphs
  • Includes layout and implementation case reports and top practices
  • Uses vendor-neutral comparisons of the most recent digicam gear and recording options

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4–119mm zoom lens. 4, allowing the maximum amount of light through the lens and providing an area of coverage of about 50 degrees. 7 degrees. 5 Zooming. 56 DIGITAL VIDEO SURVEILLANCE AND SECURITY This 35× optical zoom factor is impressive enough, but the camera also provides additional 12× digital zoom capabilities, whereas once the maximum optical zoom is reached, the camera will enlarge the image to simulate another 12 times its size. The quality of digital zooms is limited to the number of pixels available to upsample.

More pixels provide more detail in the video imagery, thus providing a more valuable archive for video forensics. The issues were bandwidth and storage. The initial network infrastructure was designed using wireless mesh networking and WiFi radios. The system requirements for the 5 MP cameras required up to 680 Mbps of bandwidth, when wireless infrastructure was capable of achieving about 15% of that required bandwidth. Furthermore, the storage requirements were in the petabytes, outside the scope and budget.

The naked eye blends these three color dots into a single color on the phosphor CRT screen. The phosphor emits light in direct proportion to the intensity of the electron beam hitting the screen. 8 million colors (16,777,216). The same holds true for liquid crystal display (LCD) monitors, only the result is achieved differently. The LCD monitor is a thin, flat display of liquid crystals sandwiched between two pieces of polarized glass called the substrate. A small fluorescent bulb (the backlight) illuminates the first substrate, and when the electric current from a thin-film transistor activates the crystals to align at various levels of light and color, it passes through the second substrate, creating what you see on the screen.

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