hmr2/configs/__init__.py

import os
from typing import Dict
from yacs.config import CfgNode as CN


def to_lower(x: Dict) -> Dict:
 """
 Convert all dictionary keys to lowercase
 Args:
 x (dict): Input dictionary
 Returns:
 dict: Output dictionary with all keys converted to lowercase
 """
 return {k.lower(): v for k, v in x.items()}

_C = CN(new_allowed=True)

_C.GENERAL = CN(new_allowed=True)
_C.GENERAL.RESUME = True
_C.GENERAL.TIME_TO_RUN = 3300
_C.GENERAL.VAL_STEPS = 100
_C.GENERAL.LOG_STEPS = 100
_C.GENERAL.CHECKPOINT_STEPS = 20000
_C.GENERAL.CHECKPOINT_DIR = "checkpoints"
_C.GENERAL.SUMMARY_DIR = "tensorboard"
_C.GENERAL.NUM_GPUS = 1
_C.GENERAL.NUM_WORKERS = 4
_C.GENERAL.MIXED_PRECISION = True
_C.GENERAL.ALLOW_CUDA = True
_C.GENERAL.PIN_MEMORY = False
_C.GENERAL.DISTRIBUTED = False
_C.GENERAL.LOCAL_RANK = 0
_C.GENERAL.USE_SYNCBN = False
_C.GENERAL.WORLD_SIZE = 1

_C.TRAIN = CN(new_allowed=True)
_C.TRAIN.NUM_EPOCHS = 100
_C.TRAIN.BATCH_SIZE = 32
_C.TRAIN.SHUFFLE = True
_C.TRAIN.WARMUP = False
_C.TRAIN.NORMALIZE_PER_IMAGE = False
_C.TRAIN.CLIP_GRAD = False
_C.TRAIN.CLIP_GRAD_VALUE = 1.0
_C.LOSS_WEIGHTS = CN(new_allowed=True)

_C.DATASETS = CN(new_allowed=True)

_C.MODEL = CN(new_allowed=True)
_C.MODEL.IMAGE_SIZE = 224

_C.EXTRA = CN(new_allowed=True)
_C.EXTRA.FOCAL_LENGTH = 5000

_C.DATASETS.CONFIG = CN(new_allowed=True)
_C.DATASETS.CONFIG.SCALE_FACTOR = 0.3
_C.DATASETS.CONFIG.ROT_FACTOR = 30
_C.DATASETS.CONFIG.TRANS_FACTOR = 0.02
_C.DATASETS.CONFIG.COLOR_SCALE = 0.2
_C.DATASETS.CONFIG.ROT_AUG_RATE = 0.6
_C.DATASETS.CONFIG.TRANS_AUG_RATE = 0.5
_C.DATASETS.CONFIG.DO_FLIP = True
_C.DATASETS.CONFIG.FLIP_AUG_RATE = 0.5
_C.DATASETS.CONFIG.EXTREME_CROP_AUG_RATE = 0.10

def default_config() -> CN:
 """
 Get a yacs CfgNode object with the default config values.
 """
 # Return a clone so that the defaults will not be altered
 # This is for the "local variable" use pattern
 return _C.clone()

def get_config(config_file: str, merge: bool = True) -> CN:
 """
 Read a config file and optionally merge it with the default config file.
 Args:
 config_file (str): Path to config file.
 merge (bool): Whether to merge with the default config or not.
 Returns:
 CfgNode: Config as a yacs CfgNode object.
 """
 if merge:
 cfg = default_config()
 else:
 cfg = CN(new_allowed=True)
 cfg.merge_from_file(config_file)
 cfg.freeze()
 return cfg