Our code is based on https://github.com/marvis/pytorch-yolo2 and developed with Python 2.7 & PyTorch 0.3.1.
$PROJ_ROOT : project root$DATA_ROOT : dataset root
Get the NWPU VHR-10 data from https://1drv.ms/u/s!AmgKYzARBl5cczaUNysmiFRH4eE
Preprocess data
cd $PROJ_ROOT
python scripts/ImgSplit_nwpu.py $DATA_ROOT
Generate labels for NWPU VHR-10
python scripts/label_nwpu.py $DATA_ROOT
Generate per-class labels for NWPU VHR-10 (used for the Reweighting Module input)
python scripts/label_1c_nwpu.py $DATA_ROOT
Generate few-shot datasets
Change the ''DROOT'' varibale in scripts/gen_fewlist_nwpu.py to $DATA_ROOT
python scripts/gen_fewlist_nwpu.py
Generate training dictionary
python scripts/gen_dict_file.py $DATA_ROOT nwpu
Modify Config for NWPU VHR-10 Data
Change the cfg/fewyolov3_nwpu.data file
metayolo = 1
metain_type = 2
data = nwpu
neg = 1
rand = 0
novel = data/nwpu_novels.txt
novelid = 0
learning_rate = 0.001
steps = -1,64000
scales = 1,0.1
meta = data/nwpu_traindict_full.txt
train = $DATA_ROOT/training.txt
valid = $DATA_ROOT/evaluation.txt
backup = backup/fewyolov3_nwpu
gpus = 0,1,2,3
Train the Model
python train.py cfg/fewyolov3_nwpu.data cfg/darknet_yolov3_spp.cfg cfg/reweighting_net.cfg
Evaluate the Model
python valid.py cfg/fewyolov3_nwpu.data cfg/darknet_yolov3_spp.cfg cfg/reweighting_net.cfg path/toweightfile
python scripts/voc_eval.py results/path/to/comp4_det_test_ cfg/metayolo.data
Modify Config for NWPU VHR-10 Data
Change the cfg/fewtunev3_nwpu_10shot.data file (change the shot number to try different shots)
metayolo = 1
metain_type = 2
data = nwpu
tuning = 1
neg = 0
rand = 0
novel = data/nwpu_novels.txt
novelid = 0
max_epoch = 2000
repeat = 200
dynamic = 0
scale = 1
learning_rate = 0.0001
steps = -1,64000
scales = 1,0.1
train = $DATA_ROOT/training.txt
meta = data/nwpu_traindict_bbox_10shot.txt
valid = $DATA_ROOT/evaluation.txt
backup = backup/fewtunetestv3_nwpu_10shot
gpus = 0,1,2,3
Train the Model with 10 shot
python train.py cfg/fewtunev3_nwpu_10shot.data cfg/darknet_yolov3_spp.cfg cfg/reweighting_net.cfg path/to/base/weightfile
Evaluate the Model
python valid.py cfg/fewtunev3_nwpu_10shot.data cfg/darknet_yolov3_spp.cfg cfg/reweighting_net.cfg path/to/tuned/weightfile
python scripts/voc_eval.py results/path/to/comp4_det_test_ cfg/fewtunev3_nwpu_10shot.data
Large part of the code is borrowed from YOLO-Low-Shot
If you find this useful in your research, please consider citing:
@article{deng2020few, title={Few-shot Object Detection on Remote Sensing Images}, author={Deng, Jingyu and Li, Xiang and Fang, Yi}, journal={arXiv preprint arXiv:2006.07826}, year={2020} }
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