ACM之路

1.1 install ubuntu 16.04 with win10 choose [UEFI both]1.2 update download source2 install caffe[https://github.com/BVLC/caffe/wiki/Ubuntu-16

1.caffe blobsdiff 是梯度num 是数量Blob数据维度为 number N x channel K x height H x width W

这里比较trick的就是_ratio_enum了，这里是要生成面积一样下，高宽比=0.5, 1, 2的所有矩形。x是宽，x * x * 0.5 = area => x * x = area * 2def _ratio_enum(anchor, ratios): """ Enumerate a set of anchors for each aspect ratio wrt an