作者: Bruce Plotnick , Joseph Ellis Augenbraun , Chuanming Wang
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摘要: A method and apparatus for digitally encoding video image data, which is particularly suited Internet Web pages, eliminates the need performing time consuming, computationally intensive motion vector searches by taking advantage of prior knowledge regarding page movement. In a first preferred embodiment, digital encoder (22), such as an MPEG encoder, employs scrolling coordinates obtained from browser application (20) to determine, through calculation instead searching, estimation all macroblocks present frame relative previous frame. second (22) receives information that indicates certain portions (52), animation window (53), are continuously changing, thus should be encoded intra The invention may employed in cable television system (10) includes access capabilities permit users download pages viewing on their televisions (26) remote located system's headend (12).