Table 9: Hardware overheads of the edge-directed ADSW-based architecture (System 4) (image size = 800 × 600, max disparity range = 64, support window size = 11 × 11).

Design unitSlice LUTsSlice registersBlock RAMsDSP48EsFrequency
(69120)(69120)(148)(64)(MHz)

rgb2gray003 (~4.7%)0N/A
rgb2yuv261 (~0.4%)000N/A
Weight generator7056 (~10.2%)000N/A
Cost aggregator30691 (~44.4%)434 (~0.6%)00391
WTA83 (~0.1%)61 (~0.1%)00429
On-chip MA (left)228 (~0.3%)2304 (~3.3%)00632
On-chip MA (right)644 (~0.9%)2574 (~3.7%)00582
Canny detector2060 (~3%)947 (~1.4%)00165
Microblaze system & external memory Controller7754 (~11.2%)8562 (~12.4%)6 (~9.4%)30 (~20.3%)161

Complete system50539 (~73.1%)44802 (~64.8%)12 (~18.8%)30 (~20.3%)155