SR Non-Uniform Interpolation
SR Non-Uniform Interpolation
SR Non-Uniform Interpolation
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www.ceva-dsp.com<br />
Performance Comparison<br />
Method<br />
Complexity<br />
[op / pixel]<br />
Real-time disadvantage<br />
Iterated Back-Projection More than 10,000 Iterative, high BW<br />
Robust Super Resolution More than 12,000 Iterative, high BW<br />
Structure Adaptive<br />
Normalized Convolution<br />
Very complex:<br />
Photo Acute 100-400<br />
SVD for every pixel<br />
CEVA <strong>SR</strong> Less than 100<br />
CEVA <strong>SR</strong> on MM3101 8 cycles/pixel<br />
www.ceva-dsp.com<br />
CEVA’s MM3101<br />
<strong>Non</strong>-Linear complexity<br />
> In order to achieve Real-Time performance we<br />
implemented solution on CEVA’s MM3101 core<br />
Parallelism<br />
> SIMD VLIW architecture<br />
> 32 multiply operation in one cycle<br />
Dedicated instructions<br />
> SAD x64 in one cycle<br />
> 4 tap filter x16 in one cycle<br />
Advance memory access<br />
> Wide 2D memory access<br />
> Complex data manipulations/permutations<br />
slide 23<br />
slide 24
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