metadata
title: Im2col Layer
im2col
- File type:
Im2col - Header:
./include/caffe/layers/im2col_layer.hpp - CPU implementation:
./src/caffe/layers/im2col_layer.cpp - CUDA GPU implementation:
./src/caffe/layers/im2col_layer.cu
Im2col is a helper for doing the image-to-column transformation that you most
likely do not need to know about. This is used in Caffe's original convolution
to do matrix multiplication by laying out all patches into a matrix.