High Definition Television (HDTV) and Video Surveillance

High Definition Television (HDTV) and Video Surveillance

Copyright: © 2014 |Pages: 5
DOI: 10.4018/978-1-4666-4896-8.ch018
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Abstract

High definition television is becoming ever more popular, opening up the market to new high-definition technologies. Image quality and color fidelity have experienced improvements faster than ever. The video surveillance market has been affected by high definition television demand. Since video surveillance calls for large amounts of image data, high-quality video frame rates are generally compromised. However, a network camera that conforms to high definition television standards shows good performance in high frame rate, resolution, and color fidelity. High quality network cameras are a good choice for surveillance video quality.
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1. Introduction

High definition television is becoming ever more popular, opening up the market to new high-definition technologies. Image quality and color fidelity have experienced improvements faster than ever.

High definition television resolution can be up to five times higher than analog TV resolution, and contains twice the amount of linear resolution. In addition, HDTV has DVD-quality audio capabilities and widescreen formatting. Thanks to all of these advantages, high definition television market growth has been huge.

35% of all U.S. households had an High Definition Television in 2007, and it was projected that by 2012, that number would rise to 85%. A huge amount of television products and accessories are already High Definition.

There are two important High Definition Television standards in existence today:

  • 1.

    The SMPTE 296M.

  • 2.

    The SMPTE 274M.

Where SMPTE stands for the Society of Motion Picture and Television Engineers, the organization who defines standards.

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4. How High Definition Television Works

High definition television represents huge progress in the world of TV transmission since its resolution is almost 5 times higher than analog TVs. This manifests itself as:

  • 1.

    A 16:9 widescreen ration.

  • 2.

    Improved color fidelity.

  • 3.

    Much sharper images.

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