PaddleOCR/ppocr/optimizer.py

37 lines
1.2 KiB
Python
Executable File

#copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
#Licensed under the Apache License, Version 2.0 (the "License");
#you may not use this file except in compliance with the License.
#You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing, software
#distributed under the License is distributed on an "AS IS" BASIS,
#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#See the License for the specific language governing permissions and
#limitations under the License.
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import paddle.fluid as fluid
def AdamDecay(params, parameter_list=None):
"""
define optimizer function
args:
params(dict): the super parameters
parameter_list (list): list of Variable names to update to minimize loss
return:
"""
base_lr = params['base_lr']
beta1 = params['beta1']
beta2 = params['beta2']
optimizer = fluid.optimizer.Adam(
learning_rate=base_lr,
beta1=beta1,
beta2=beta2,
parameter_list=parameter_list)
return optimizer