channel-attention

Gluon implementation of some channel attention modules.

Method	Paper	Overview
SE	https://arxiv.org/abs/1709.01507
ECA	https://arxiv.org/abs/1910.03151
GCT	https://arxiv.org/abs/1909.11519

CIFAR-10 experiments

Usage

Example of training resnet20_v1 with ECA:

python3 train_cifar10.py --mode hybrid --num-gpus 1 -j 8 --batch-size 128 --num-epochs 186 --lr 0.003 --lr-decay 0.1 --lr-decay-epoch 81,122 --wd 0.0001 --optimizer adam --random-crop --model cifar_resnet20_v1 --attention eca

Results: validation loss and accuracy

Model	Vanilla		SE		ECA		GCT
	loss	acc	loss	acc	loss	acc	loss	acc
cifar_resnet20_v1	0.0344	0.9171	0.0325	0.9161	0.0302	0.9189	0.0292	0.9150
cifar_resnet20_v2	0.1088	0.9133	0.0316	0.9162	0.0328	0.9194	0.0354	0.9172
cifar_resnet56_v1	0.0431	0.9154	0.0280	0.9238	0.0170	0.9243	0.0244	0.9238
cifar_resnet56_v2	0.0629	0.9165	0.0268	0.9243	0.0235	0.9218	0.0330	0.9200