Research Article
Optimized Architecture Using a Novel Subexpression Elimination on Loeffler Algorithm for DCT-Based Image Compression
Table 6
Performance analysis of the 2D DCT design using Loeffler algorithm.
| Constant multiplication design | Slice | MULT18x18SIOs | Power dissipation (mW) | Delay (ns) | ACT (μs) | EoC (nJ) |
| Xilinx-embedded multipliers (Block) | 960 | 20 | 176 | 20.58 | 1.769 | 311.344 | Xilinx-embedded multipliers (LUT) | 1836 | 0 | 66.4 | 24.02 | 2.065 | 137.116 | CSD | 1423 | 0 | 74 | 22.39 | 1.925 | 142.45 | CSD-CSE | 1048 | 0 | 76 | 19.94 | 1.714 | 130.264 | CSD-CSE and quantization | | 0 | | | | |
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