Table 2: Comparison of OPSD1 2D FFT with regular RCD-based implementation.

Platform SEAR2 Precision RT3  (ms)
Yes/No bits 512 × 512 1024 × 1024

Kintex 7, 28nm (ours)Yes16 (fixed)1.54.8
Kintex 7, 28nm (ours)No16 (fixed)0.94.1
Kintex 7, 28mm [8] Yes 16 (fixed) 32.4 116.7
Stratix IV [5] No 64 (double) - 6.1
Virtex-5-BEE3, 65nm[14] No 32 (single) 24.9 102.6
Virtex-E, 180nm [21] No 16 (fixed) 28.6 76.9
ASIC, 180nm No 32 (single) 21.0 -

Optimized periodic + smooth decomposition (OPSD)
Simultaneous edge artifact removal
Runtime (ms).