# -*- coding:utf-8 -*- {"isSuccess": 1, "imgs_info": [{"img_name": "1.png", "coordinate": [[477, 127, 1282, 524], [312, 557, 1500, 618], [322, 652, 1209, 695], [325, 695, 1382, 739], [328, 741, 755, 784], [176, 870, 1539, 1899], [1588, 143, 2820, 674], [1582, 667, 2779, 898], [1539, 880, 2767, 1348], [1591, 1334, 2141, 1377], [1553, 1415, 2812, 1859]], "cost_time": "3.59s"}]} # 顶点个数:4,矩阵变成4*1*2维 # OpenCV中需要将多边形的顶点坐标变成顶点数×1×2维的矩阵 # 这里 reshape 的第一个参数为-1, 表示“任意”,意思是这一维的值是根据后面的维度的计算出来的