Parallelized Dilate Algorithm for Remote Sensing Image

Table 1

Run speed in multiprocess and multithread.

The number of processes	The number of threads
	1	2	3	4	5	6	7	8	9	10
1	79.03	41.36	29.16	22.35	18.27	15.38	13.63	11.84	13	15.8
2	57.02	37.27	31.63	28.19	26.1	24.73	23.87	23.24	23.5	23.29
3	39.74	26.11	21.54	19.15	17.82	16.83	16.05	16.42	16.21	16.3
4	37.46	28.08	24.64	22.85	21.78	21.08	20.55	20.81	20.8	20.68
5	30.88	22.7	20.36	18.47	17.58	17.1	17.29	20.42	17.2	17.14
6	31.69	24.73	22.38	21.14	20.42	19.93	19.89	19.98	19.9	19.88
7	27.67	21.49	19.71	20.92	17.71	18.42	20.71	17.75	17.62	19.74
8	28.39	23.56	23.22	20.61	19.93	22.9	19.96	19.69	22.66	19.45
9	28.59	23.7	21.98	18.31	18.24	18.62	20.69	18.02	18.02	18.56
10	26.43	22.35	21.08	20.01	20.25	22.67	19.67	19.55	19.41	22.15