allegro对齐symbol,text,via,pin小工具。 allegro.ilinit和aln.il存入spb16.6\share\local\pcb\skill文件夹，align.form存入spb16.6\share\local\pcb\form文件夹 命令：ALN 快捷键：TAB 菜单：edit\align-allegro alignment symbol, text, via pin gadgets. The stored in spb16.6 allegro.i

一种用于非线性降维的流形学习算法，主要是先考虑用每一点处的局部切空间表示该点处的几何特征，然后都局部切空间进行排列-A manifold learning algorithm for nonlinear dimension reduction, mainly consider to use every bit of the local tangent space representation of geometric feature at that point, then the local t

C++ implementation of Face Alignment at 3000 FPS via Regressing Local Binary Features.