Unsupervised Texture Segmentation Using Active Contour Model and Oscillating Information

Table 1

Time consumption comparison of the Split-Bregman method with traditional gradient descent method.

Methods	CPU time of every step (s)					Total CPU time (s)					Iteration number
	First	Second	Third	Fourth	Fifth	First	Second	Third	Fourth	Fifth	First	Second	Third	Fourth	Fifth
Traditional gradient descent	3.107	2.954	3.077	3.094	3.102	372.86	147.73	153.80	495.12	465.28	120	50	50	160	150
Split-Bregman method	2.446	2.181	2.223	2.289	2.314	122.38	43.64	45.81	137.32	138.85	50	20	20	60	60