Finally, the closed triangles in ridgeandvalley axes are broken and the short branches are removed.
最后,将山脊线或山谷线“雏形”中封闭的三角形断开,并剔除过短的山脊线和山谷线。
2
By analyzing the way each line rises and falls, the software builds a 3-d model of the surface of the finger in less than a second, with each ridgeandvalley in its proper place.