| 摘要 |
<p>The system produces compatible interlined High Definition TV - HDTV - images, which have twice the number of lines per frame as a conventional TV images. The conventional TV line signals for a number of consecutive frames are extracted from a similar number of HDTV frames. The normal TV image signals A'i and B'i for two consecutive rasters, A and B, correspond to the HDTV image signals Ai and Bi for respective consecutive rasters according to the equations: A'i = 3/4 A2i - 1 + 1/4 A2i B'i = 1/4 B2i - 1 + 3/4 B2i, i = 1, 2, .. @(37pp Dwg.No.2/7)@.</p> |
