HDTV has experienced enormous success the past years, driven by the consumer electronics market and its shift from CRT-based television sets to LCD- and plasma-based TV screens. As HDTV is now starting to be adopted in the video surveillance arena it promises outstanding image quality compared to analog CCTV systems.
HDTV provides up to five times higher resolution than standard analog TV. HDTV also has better color fidelity and a 16:9 format. Defined by SMPTE (Society of Motion Picture and Television Engineers), the two most important HDTV standards are SMPTE 296M and SMPTE 274M.
A camera that complies with the SMPTE standards indicates adherence to HDTV quality and should provide all the benefits of HDTV in resolution, color fidelity and frame rate.
HDTVs are based on square pixels—similar to computer screens, so HDTV video from network video products can be shown on either HDTV screens or standard computer monitors. With progressive scan HDTV video, no conversion or deinterlacing technique needs to be applied when the video is to be processed by a computer or displayed on a computer screen.
See also: Axis HDTV cameras
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