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Interpolation Filter<br />
Luma<br />
o ¼ pel interpolation<br />
o 7/8 tap filter<br />
Figure 3C 4-tap DCT/IF Luma Filter, and 8 tap<br />
<br />
Chroma<br />
o 1/8 pel interpolation<br />
o 4 tap filter<br />
Deblock Filtering<br />
Overall Process<br />
<br />
<br />
<br />
Boundary strength calculation<br />
o Based on if P or Q is intra, P<br />
or Q has nonzero coef, Pand<br />
Q have different ref, P and Q<br />
have different num of MVs..<br />
o 3 levels of strength 0, 1, 2<br />
Threshold value β and Tc calculation<br />
from input Q<br />
Filter on/off Decision<br />
<strong>Deliver</strong> <strong>High</strong> <strong>Quality</strong>, <strong>High</strong> <strong>Performance</strong> <strong>HEVC</strong> <strong>via</strong> <strong>Intel®</strong> <strong>Media</strong> <strong>Server</strong> <strong>Studio</strong><br />
Figure 3D Deblock filtering in <strong>HEVC</strong><br />
11<br />
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