Table 1: Computation time of proposed results (Size : size of input image, computation time : sec).

Figure	Size	D	C	L ˜ *
9	600×450	15.3	13.1	2.2
10	220×147	1.7	1.5	0.6
11	336×339	6.3	5.5	1.8
12a	1024×683	41.3	5.5	1.8
12b	620×354	12.5	10.6	2.5