Two dimensional interpolation filter for HD-MAC is designed with 1.0 .mu.m CMOS standard cells and verified by logic simulation. The interpolator uses FMH(FIR-Median Hybrid) filter. The median filter, which is the most complicated part of FMH filtre, is simply implemented by modifying Hadian-Sobel algorithm. the filter generates accurately the missed pixel data of luminance and chrominance with the worst case simulation condition at 27MHz clock rates.
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