Source code for kashgari.tasks.classification.bi_gru_model

# encoding: utf-8

# author: BrikerMan
# contact: eliyar917@gmail.com
# blog: https://eliyar.biz

# file: bi_gru_model.py
# time: 4:37 下午

from typing import Dict, Any

from tensorflow import keras

from kashgari.layers import L
from kashgari.tasks.classification.abc_model import ABCClassificationModel


[docs]class BiGRU_Model(ABCClassificationModel):
[docs] @classmethod def default_hyper_parameters(cls) -> Dict[str, Dict[str, Any]]: return { 'layer_bi_gru': { 'units': 128, 'return_sequences': False }, 'layer_output': { } }
[docs] def build_model_arc(self) -> None: output_dim = self.label_processor.vocab_size config = self.hyper_parameters embed_model = self.embedding.embed_model layer_stack = [ L.Bidirectional(L.GRU(**config['layer_bi_gru'])), L.Dense(output_dim, **config['layer_output']), self._activation_layer() ] tensor = embed_model.output for layer in layer_stack: tensor = layer(tensor) self.tf_model = keras.Model(embed_model.inputs, tensor)
if __name__ == "__main__": pass