General Coastline Extraction Based on an Improved Active Contour Model in Jiaozhou Bay, Qingdao, China, from 1990 to 2018 Using Landsat Satellite Images

Figure 8

Extracted coastline and corresponding reference coastline of (a) 1990, (b) 2000, (c) 2010, and (d) 2018.

(a)

(b)

(c)

(d)