in Dassl.pytorch/dassl/modeling/backbone/efficientnet/utils.py [0:0]
def _decode_block_string(block_string):
"""Gets a block through a string notation of arguments."""
assert isinstance(block_string, str)
ops = block_string.split("_")
options = {}
for op in ops:
splits = re.split(r"(\d.*)", op)
if len(splits) >= 2:
key, value = splits[:2]
options[key] = value
# Check stride
assert ("s" in options and len(options["s"]) == 1) or (
len(options["s"]) == 2 and options["s"][0] == options["s"][1]
)
return BlockArgs(
kernel_size=int(options["k"]),
num_repeat=int(options["r"]),
input_filters=int(options["i"]),
output_filters=int(options["o"]),
expand_ratio=int(options["e"]),
id_skip=("noskip" not in block_string),
se_ratio=float(options["se"]) if "se" in options else None,
stride=[int(options["s"][0])],
)