Artificial Mosaic Generation with Gradient Vector Flow and Tile Cutting

Table 1

Execution time (seconds) of the considered approaches on the test images.

Technique	Madonna	Peasant	Kodim04
	(1012×1351)	(910×1106)	(512×768)
Proposed approach	25 sec	20 sec	9 sec
Di Blasi and Gallo [22]	11 sec	8 sec	4 sec
Liu et al. [25]	420 sec	400 sec	155 sec