Table 8:
Hardware overheads of the edge-directed fixed-support-based architecture (System 2) (image size = 1280 × 1024, max disparity range = 120, window size = 11 × 11).
Design unit
Slice LUTs
Slice registers
Block RAMs
DSP48Es
Frequency
(69120)
(69120)
(148)
(64)
(MHz)
Edge Detection Unit (EDU)
2812 (~4%)
1008 (~3%)
0
0
134.6
ABDIF and BTA
129 (~0.2%)
0
0
0
N/A
Tree Comparators
1760 (~2.5%)
329 (~0.5%)
0
0
174.3
Disparity Computation Unit (DCU)
47331 (~68%)
31863 (~46%)
0
0
109
Microblaze system and external Memory CONTROLLER
7754 (~11%)
8562 (~12%)
30 (~20%)
6 (~9%)
161.2
Entire system
66882 (~83.8%)
41559 (~60%)
30 (~20%)
6 (~9%)
100