《Table 1 Sea use object classification and resource consumption coefficients》

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《"Spatio-temporal Change and Carrying Capacity Evaluation of Human Coastal Utilization in Liaodong Bay,China from 1993 to 2015"》

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An object-based image analysis（OBIA）method was used to perform the extraction of different sea use objects（Blaschke，2010；Xu et al.，2013）.The main steps were as follows:1) segmentation；2) extraction of descriptive attributes；3) and classification.Segmentation was based upon a series of variables including the scale shape，and compactness of the objects.In the classification procedure，membership categories were assigned to each segment based on membership rules.As well as object shape，features based on spectral，textural，and contextual information were used to create membership rules for the classification.An automated extraction method based on edge detection and tidal correction was used to extract the coastlines（Liu et al.，2004；Zhang et al.，2013）.Coastline usage was confirmed by sea use data exported from China’s National Sea Dynamic Surveillance System.