Filtering meaning

See filter.
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Also known as image decimation. In video compression, a step that reduces the total frequency of the analog signal through a process of averaging the values of neighboring pixels or lines. For example, adjoining black and white pixels become gray pixels.Taps are the number of lines or pixels considered in this process. MPEG, for example, uses a seven-tap filter. See also analog, compression, frequency, MPEG, pixel, signal, and video.
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Present participle of filter.
verb
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Sentence Examples

  • The Monterey mists were in full effect, filtering the sunlight.

  • "You won't kill me," he remarked, hope and frustration filtering through him.

  • He guided her through the fog, and they emerged in a dark room with the light of streetlamps filtering through two windows across what looked another hotel room.

  • The total alkali is determined by incinerating a weighed sample in a platinum dish, dissolving the residue in water, filtering and titrating the filtrate with standard acid.

  • Briefly, sugar-refining consists of melting raw or unrefined sugar with water into a syrup of 27° to 28° Beaume, or 1230 specific gravity, passing it through filtering cloth to remove the sand and other matters in mechanical suspension, and then through animal charcoal to remove all traces of colouring matter and lime, thus producing a perfectly clear white syrup, which, cooked in the vacuum pan and crystallized, becomes the refined sugar of commerce.

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Words near filtering in the Dictionary