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model_zoo.py
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model_zoo.py
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import os
import pkg_resources
import torch
from detectron2.checkpoint import DetectionCheckpointer
from fsdet.config import get_cfg
from fsdet.modeling import build_model
class _ModelZooUrls(object):
"""
Mapping from names to our pre-trained models.
"""
URL_PREFIX = "http://dl.yf.io/fs-det/models/"
# format: {config_path.yaml} -> model_id/model_final.pth
CONFIG_PATH_TO_URL_SUFFIX = {
### PASCAL VOC Detection ###
# Base Model
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_base1.yaml": "voc/split1/base_model/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_base2.yaml": "voc/split2/base_model/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_base3.yaml": "voc/split3/base_model/model_final.pth",
# FRCN+ft-full
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_1shot_unfreeze.yaml": "voc/split1/FRCN+ft-full_1shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_2shot_unfreeze.yaml": "voc/split1/FRCN+ft-full_2shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_3shot_unfreeze.yaml": "voc/split1/FRCN+ft-full_3shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_5shot_unfreeze.yaml": "voc/split1/FRCN+ft-full_5shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_10shot_unfreeze.yaml": "voc/split1/FRCN+ft-full_10shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_1shot_unfreeze.yaml": "voc/split2/FRCN+ft-full_1shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_2shot_unfreeze.yaml": "voc/split2/FRCN+ft-full_2shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_3shot_unfreeze.yaml": "voc/split2/FRCN+ft-full_3shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_5shot_unfreeze.yaml": "voc/split2/FRCN+ft-full_5shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_10shot_unfreeze.yaml": "voc/split2/FRCN+ft-full_10shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_1shot_unfreeze.yaml": "voc/split3/FRCN+ft-full_1shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_2shot_unfreeze.yaml": "voc/split3/FRCN+ft-full_2shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_3shot_unfreeze.yaml": "voc/split3/FRCN+ft-full_3shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_5shot_unfreeze.yaml": "voc/split3/FRCN+ft-full_5shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_10shot_unfreeze.yaml": "voc/split3/FRCN+ft-full_10shot/model_final.pth",
# TFA w/ cos
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_1shot.yaml": "voc/split1/tfa_cos_1shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_2shot.yaml": "voc/split1/tfa_cos_2shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_3shot.yaml": "voc/split1/tfa_cos_3shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_5shot.yaml": "voc/split1/tfa_cos_5shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_all1_10shot.yaml": "voc/split1/tfa_cos_10shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_1shot.yaml": "voc/split2/tfa_cos_1shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_2shot.yaml": "voc/split2/tfa_cos_2shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_3shot.yaml": "voc/split2/tfa_cos_3shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_5shot.yaml": "voc/split2/tfa_cos_5shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_all2_10shot.yaml": "voc/split2/tfa_cos_10shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_1shot.yaml": "voc/split3/tfa_cos_1shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_2shot.yaml": "voc/split3/tfa_cos_2shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_3shot.yaml": "voc/split3/tfa_cos_3shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_5shot.yaml": "voc/split3/tfa_cos_5shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_all3_10shot.yaml": "voc/split3/tfa_cos_10shot/model_final.pth",
# TFA w/ fc
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_fc_all1_1shot.yaml": "voc/split1/tfa_fc_1shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_fc_all1_2shot.yaml": "voc/split1/tfa_fc_2shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_fc_all1_3shot.yaml": "voc/split1/tfa_fc_3shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_fc_all1_5shot.yaml": "voc/split1/tfa_fc_5shot/model_final.pth",
"PascalVOC-detection/split1/faster_rcnn_R_101_FPN_ft_fc_all1_10shot.yaml": "voc/split1/tfa_fc_10shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_fc_all2_1shot.yaml": "voc/split2/tfa_fc_1shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_fc_all2_2shot.yaml": "voc/split2/tfa_fc_2shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_fc_all2_3shot.yaml": "voc/split2/tfa_fc_3shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_fc_all2_5shot.yaml": "voc/split2/tfa_fc_5shot/model_final.pth",
"PascalVOC-detection/split2/faster_rcnn_R_101_FPN_ft_fc_all2_10shot.yaml": "voc/split2/tfa_fc_10shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_fc_all3_1shot.yaml": "voc/split3/tfa_fc_1shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_fc_all3_2shot.yaml": "voc/split3/tfa_fc_2shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_fc_all3_3shot.yaml": "voc/split3/tfa_fc_3shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_fc_all3_5shot.yaml": "voc/split3/tfa_fc_5shot/model_final.pth",
"PascalVOC-detection/split3/faster_rcnn_R_101_FPN_ft_fc_all3_10shot.yaml": "voc/split3/tfa_fc_10shot/model_final.pth",
### COCO Detection ###
# Base Model
"COCO-detection/faster_rcnn_R_101_FPN_base.yaml": "coco/base_model/model_final.pth",
# FRCN+ft-full
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_1shot_unfreeze.yaml": "coco/FRCN+ft-full_1shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_2shot_unfreeze.yaml": "coco/FRCN+ft-full_2shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_3shot_unfreeze.yaml": "coco/FRCN+ft-full_3shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_5shot_unfreeze.yaml": "coco/FRCN+ft-full_5shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_10shot_unfreeze.yaml": "coco/FRCN+ft-full_10shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_30shot_unfreeze.yaml": "coco/FRCN+ft-full_30shot/model_final.pth",
# TFA w/ cos
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_1shot.yaml": "coco/tfa_cos_1shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_2shot.yaml": "coco/tfa_cos_2shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_3shot.yaml": "coco/tfa_cos_3shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_5shot.yaml": "coco/tfa_cos_5shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_10shot.yaml": "coco/tfa_cos_10shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_all_30shot.yaml": "coco/tfa_cos_30shot/model_final.pth",
# TFA w/ fc
"COCO-detection/faster_rcnn_R_101_FPN_ft_fc_all_1shot.yaml": "coco/tfa_fc_1shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_fc_all_2shot.yaml": "coco/tfa_fc_2shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_fc_all_3shot.yaml": "coco/tfa_fc_3shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_fc_all_5shot.yaml": "coco/tfa_fc_5shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_fc_all_10shot.yaml": "coco/tfa_fc_10shot/model_final.pth",
"COCO-detection/faster_rcnn_R_101_FPN_ft_fc_all_30shot.yaml": "coco/tfa_fc_30shot/model_final.pth",
### LVIS Detection ###
# Base Models
## With repeat sampling
"LVIS-detection/faster_rcnn_R_50_FPN_base.yaml": "lvis/R_50_FPN_base_repeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_50_FPN_base_cosine.yaml": "lvis/R_50_FPN_base_repeat_cos/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_base.yaml": "lvis/R_101_FPN_base_repeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_base_cosine.yaml": "lvis/R_101_FPN_base_repeat_cos/model_final.pth",
## No repeat sampling
"LVIS-detection/faster_rcnn_R_50_FPN_base_norepeat.yaml": "lvis/R_50_FPN_base_norepeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_50_FPN_base_norepeat_cosine.yaml": "lvis/R_50_FPN_base_norepeat_cos/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_base_norepeat.yaml": "lvis/R_101_FPN_base_norepeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_base_norepeat_cosine.yaml": "lvis/R_101_FPN_base_norepeat_cos/model_final.pth",
# Fine-tuned Models
## With repeat sampling
"LVIS-detection/faster_rcnn_R_50_FPN_combined_all.yaml": "lvis/R_50_FPN_repeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_50_FPN_cosine_combined_all.yaml": "lvis/R_50_FPN_repeat_cos/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_combined_all.yaml": "lvis/R_101_FPN_repeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_cosine_combined_all.yaml": "lvis/R_101_FPN_repeat_cos/model_final.pth",
## No repeat sampling
"LVIS-detection/faster_rcnn_R_50_FPN_combined_all_norepeat.yaml": "lvis/R_50_FPN_norepeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_50_FPN_cosine_combined_all_norepeat.yaml": "lvis/R_50_FPN_norepeat_cos/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_combined_all_norepeat.yaml": "lvis/R_101_FPN_norepeat_fc/model_final.pth",
"LVIS-detection/faster_rcnn_R_101_FPN_cosine_combined_all_norepeat.yaml": "lvis/R_101_FPN_norepeat_cos/model_final.pth",
}
def get_checkpoint_url(config_path):
"""
Returns the URL to the model trained using the given config
Args:
config_path (str): config file name relative to FsDet's "configs/"
directory, e.g., "COCO-detection/faster_rcnn_R_101_FPN_ft_all_1shot.yaml"
Returns:
str: a URL to the model
"""
if config_path in _ModelZooUrls.CONFIG_PATH_TO_URL_SUFFIX:
suffix = _ModelZooUrls.CONFIG_PATH_TO_URL_SUFFIX[config_path]
return _ModelZooUrls.URL_PREFIX + suffix
raise RuntimeError("{} not available in Model Zoo!".format(config_path))
def get_config_file(config_path):
"""
Returns path to a builtin config file.
Args:
config_path (str): config file name relative to FsDet's "configs/"
directory, e.g., "COCO-detection/faster_rcnn_R_101_FPN_ft_all_1shot.yaml"
Returns:
str: the real path to the config file.
"""
cfg_file = pkg_resources.resource_filename(
"fsdet", os.path.join("..", "configs", config_path)
)
if not os.path.exists(cfg_file):
raise RuntimeError(
"{} not available in Model Zoo!".format(config_path)
)
return cfg_file
def get(config_path, trained: bool = False):
"""
Get a model specified by relative path under FsDet's official ``configs/`` directory.
Args:
config_path (str): config file name relative to FsDet's "configs/"
directory, e.g., "COCO-detection/faster_rcnn_R_101_FPN_ft_all_1shot.yaml"
trained (bool): If True, will initialize the model with the trained model zoo weights.
If False, the checkpoint specified in the config file's ``MODEL.WEIGHTS`` is used
instead; this will typically (though not always) initialize a subset of weights using
an ImageNet pre-trained model, while randomly initializing the other weights.
Example:
.. code-block:: python
from fsdet import model_zoo
model = model_zoo.get("COCO-detection/faster_rcnn_R_101_FPN_ft_all_1shot.yaml", trained=True)
"""
cfg_file = get_config_file(config_path)
cfg = get_cfg()
cfg.merge_from_file(cfg_file)
if trained:
cfg.MODEL.WEIGHTS = get_checkpoint_url(config_path)
if not torch.cuda.is_available():
cfg.MODEL.DEVICE = "cpu"
model = build_model(cfg)
DetectionCheckpointer(model).load(cfg.MODEL.WEIGHTS)
return model