Artificial Mosaic Generation with Gradient Vector Flow and Tile Cutting

Table 2

Execution time (seconds) of the considered approaches on the test images employing tile cutting strategies.

Technique	Madonna	Peasant	Kodim04
	(1012×1351)	(910×1106)	(512×768)
Proposed approach	70 sec	50 sec	20 sec
Di Blasi and Gallo [22]	40 sec	45 sec	20 sec