See passage, feeling very image.
caffe's lofty towers (Net) is in accordance with our design drawings (prototxt), with the Blob these bricks built into a layer (Layer) buildings, and finally Jian Zhuangxiu (Train) by SGD method (Solver), decoration (Finetune) achieved.
A, Blob
1.4-dimensional array, for storing and exchanging data. The basic storage unit caffe. (W, h, c, n) for storing data or a value (data), and incremental weights (diff).
2. mutable_cpu [gpu] _data [diff] can modify the value inside;