Table 1.

Slices, memory requirements, number of cycles and performance for the implementation of Low-level vision. Optical flow scheme.

Low-level Vision Stage (Optical flow)	FIR Temporal Filtering I	FIR Spatial Filtering II	Steering III	Product & Taylor IV	Quotient V	Primitives VI
Slices (%)	190 (1%)	1307 (7%)	1206 (6%)	3139 (19%)	3646 (20%)	2354 (12%)
Block RAM (%)	1%	31%	2%	13%	16%	19%
MC	13	17	19	23	21	19
Throughput (Kpixels/s)/Frequency limited by ISE tool (MHz)	4,846/63	3,235/55	2,526/48	1,782/41	1,695/39	2,000/38