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Digital Video Processing, Second Edition by A. Murat Tekalp

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Chapter 2. Digital Images and Video

Advances in ultra high-definition and 3D video technologies as well as high-speed Internet and mobile computing have led to introduction of new video services.

Digital images and video refer to 2D or 3D still and moving (time-varying) visual information, respectively. A still image is a 2D/3D spatial distribution of intensity that is constant with respect to time. A video is a 3D/4D spatio-temporal intensity pattern, that is, a spatial intensity pattern which varies with time. Another term that is commonly used for video is image sequence, since a video is represented by a time sequence of still images (pictures). The spatio-temporal intensity pattern of this time sequence of images is ordered into a 1D analog ...

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