interlacing


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Related to interlacing: Deinterlacing

interlacing

(hardware)
A video display system which builds an image on the VDU in two phases, known as "fields", consisting of even and odd horizontal lines.

The complete image (a "frame") is created by scanning an electron beam horizontally across the screen, starting at the top and moving down after each horizontal scan until the bottom of the screen is reached, at which point the scan starts again at the top. On an interlaced display, even numbered scan lines are displayed in the first field and then odd numbered lines in the second field.

For a given screen resolution, refresh rate (frames per second) and phosphor persistence, interlacing reduces flicker because the top and bottom of the screen are redrawn twice as often as if the scan simply proceded from top to bottom in a single vertical sweep.

interlacing

(graphics)
References in periodicals archive ?
Our first four results consider cases when Stieljes interlacing occurs between the zeros of Jacobi polynomials from different sequences whose degrees differ by two.
Our next two results prove that Stieltjes interlacing of the zeros of Jacobi polynomials from different sequences also holds when both the parameters [alpha] and [beta] change within certain constraints.
The interlacing and the textual echoes used to narrate these tales suggest to Quint numerous and important insights.
This critic writes with precision and careful analogy, weaving and interlacing his arguments to show that Part One of the novel truly moves towards a more modern world, but ends in an impasse.
Customer trials can also be undertaken in air texturing, false twist texturing, air interlacing, covering and splicing so they can see the benefits for themselves.
Saurer Components produces world-leading air interlacing (PolyJet, SlideJet) and air texturing jets (TextJet-ATY) for synthetic continuous filament yarns.
If there is minimal or no motion, there is little or no difference between the two fields, so no interlacing artifacts to start with.