Table 1.

Computation time (μs) for an A-scan

	pre-computed mode Gaussian and KB				on-the-fly mode Gaussian
NUFFT-CS	R=1.5		R=2		R=1.5		R=2
	W=3	W=5	W=3	W=5	W=3	W=5	W=3	W=5
	99.17	122.27	100.03	122.87	154.47	199.92	167.15	223.84