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Intraframe compression

Before a frame is quantized, it is desirable to eliminate redundant data in the frame. There are many techniques for reducing the spatial redundancy, but by far, DPCM and discrete cosine transformation-(DCT-) based coding are the most widely used techniques for intraframe compression. (Rabbani and Jones (1991) discuss many image compression techniques. See Further Information.)... [Pg.1475]

The Quality slider can affect the quality for some formats and is usually an intraframe variable. It is rare for the quality to improve significantly above 80 percent for compressed fdes without dramatically increasing the file size. [Pg.244]

See other pages where Intraframe compression is mentioned: [Pg.1354]    [Pg.1475]    [Pg.240]    [Pg.1354]    [Pg.1475]    [Pg.240]    [Pg.1475]    [Pg.1480]   
See also in sourсe #XX -- [ Pg.240 ]



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