问题遇到的现象和发生背景
使用ret, corners = cv2.findChessboardCorners(gray, (w, h), None)获得角点，输出的角点数值是什么呀？怎么数值会那么大？
问题相关代码，请勿粘贴截图
ret, corners = cv2.findChessboardCorners(gray, (w, h), None)
print(corners)
运行结果及报错内容
[[ 716.2117 2943.5056 ]]
[[ 709.41736 2676.481 ]]
[[ 703.24384 2411.7031 ]]
[[ 696.4385 2152.4392 ]]
[[ 688.2856 1895.3826 ]]
[[ 679.82025 1642.4823 ]]
[[ 670.2012 1389.2274 ]]
[[ 660.79926 1139.9988 ]]
[[ 652.21625 898.9729 ]]
[[ 645.1817 661.06976]]
[[ 985.2185 2920.8606 ]]
[[ 976.5784 2656.043 ]]
[[ 968.11163 2397.0415 ]]
[[ 959.076 2142.8015 ]]
[[ 950.39 1891.5505 ]]
[[ 940.21625 1642.856 ]]
[[ 929.8413 1395.1393 ]]
[[ 920.0536 1148.8367 ]]
[[ 909.4962 910.5989 ]]
[[ 898.9653 677.4927 ]]
[[1242.8951 2896.0356 ]]
[[1233.3308 2637.3188 ]]
[[1221.7677 2383.0845 ]]
[[1211.8604 2133.8882 ]]
[[1201.459 1886.7721 ]]
[[1190.6633 1642.8894 ]]
[[1179.9802 1399.5621 ]]
[[1169.1428 1157.948 ]]
[[1157.1902 920.3797 ]]
[[1145.5448 689.74274]]
[[1491.4808 2872.8328 ]]
[[1479.301 2619.0515 ]]
[[1467.4825 2370.1016 ]]
[[1455.0327 2124.5168 ]]
[[1444.0891 1882.0181 ]]
[[1432.5956 1641.7921 ]]
[[1421.1002 1404.2285 ]]
[[1409.3799 1166.9521 ]]
[[1396.5479 932.0931 ]]
[[1383.6058 703.0012 ]]
[[1730.7164 2851.7544 ]]
[[1718.9502 2602.7036 ]]
[[1705.052 2357.4292 ]]
[[1691.3925 2116.759 ]]
[[1678.6263 1877.2054 ]]
[[1666.7684 1641.6891 ]]
[[1653.7039 1407.353 ]]
[[1641.0518 1174.501 ]]
[[1628.3427 944.14813]]
[[1615.149 717.2025 ]]
[[1962.6299 2831.3198 ]]
[[1949.1844 2586.8257 ]]
[[1934.8043 2345.495 ]]
[[1918.7975 2108.2437 ]]
[[1905.7075 1873.0522 ]]
[[1891.2942 1641.3005 ]]
[[1878.7029 1410.4421 ]]
[[1865.5284 1181.5627 ]]
[[1851.518 955.67487]]
[[1836.6879 732.0186 ]]
[[2185.907 2812.4673 ]]
[[2171.7852 2572.0408 ]]
[[2156.7842 2333.9023 ]]
[[2139.3655 2100.281 ]]
[[2124.7422 1868.9177 ]]
[[2110.5981 1640.4541 ]]
[[2095.78 1413.8475 ]]
[[2082.4246 1188.3906 ]]
[[2066.2795 967.3683 ]]
[[2050.9456 749.1845 ]]]
我的解答思路和尝试过的方法
无
我想要达到的结果
我想知道这些数值是什么，并且把它转换为相机坐标系的长度单位的数值
