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# Copyright (c) 2021 Soohwan Kim and Sangchun Ha and Soyoung Cho
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from dataclasses import dataclass, field
from ...dataclass.configurations import OpenspeechDataclass
[docs]@dataclass
class CTCLossConfigs(OpenspeechDataclass):
"""
This is the configuration class to store the configuration of
a :class:`~openspeech.criterion.CTCLoss`.
It is used to initiated an `CTCLoss` criterion.
Configuration objects inherit from :class: `~openspeech.dataclass.configs.OpenspeechDataclass`.
Configurations:
criterion_name (str): name of criterion. (default: ctc)
reduction (str): reduction method of criterion. (default: mean)
zero_infibity (bool): whether to zero infinite losses and the associated gradients. (default: True)
"""
criterion_name: str = field(
default="ctc", metadata={"help": "Criterion name for training"}
)
reduction: str = field(
default="mean", metadata={"help": "Reduction method of criterion"}
)
zero_infinity: bool = field(
default=True, metadata={"help": "Whether to zero infinite losses and the associated gradients."}
)