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<p>standards, H.263 is a block-based hybrid video coding scheme using 16×16 <a href="page.php?w=macroblock">macroblock</a>s of <a href="page.php?w=YCbCr">YCbCr</a> color sample arrays, <a href="page.php?w=motion_compensation">motion-compensated prediction</a>, an 8×8 <a href="page.php?w=discrete_cosine_transform">discrete cosine transform</a> for prediction differences, zig-zag scanning of transform coefficients, <a href="page.php?w=scalar_quantization">scalar quantization</a>, <a href="page.php?w=run-length_encoding">run-length transform coefficient symbols</a>,</p><p>
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