Fig. 6: Intelligibility analysis results of the four periods.
From: HGIS based analysis of urban morphological evolution in historic Kaifeng
a AD 1120-1367. b AD 1368-1642. c AD1662-1911. d AD1912-1942. (Source: Drawn by the author).
Fig. 6: Intelligibility analysis results of the four periods. | npj Heritage Science
