Group parameter #778
Description
I can't find anywhere what the meaning of the "group" parameter is. It seems to halve the number of locations a filter gets applied when set to 2?
layers {
name: "conv2"
type: CONVOLUTION
bottom: "norm1"
top: "conv2"
blobs_lr: 1
blobs_lr: 2
weight_decay: 1
weight_decay: 0
convolution_param {
num_output: 256
pad: 2
kernel_size: 5
group: 2
}
}