PaddleClas/ppcls/modeling/architectures/distillation_models.py

66 lines
2.1 KiB
Python

# 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 math
import paddle
import paddle.fluid as fluid
from paddle.fluid.param_attr import ParamAttr
from .resnet_vd import ResNet50_vd
from .mobilenet_v3 import MobileNetV3_large_x1_0
from .resnext101_wsl import ResNeXt101_32x16d_wsl
__all__ = [
'ResNet50_vd_distill_MobileNetV3_large_x1_0',
'ResNeXt101_32x16d_wsl_distill_ResNet50_vd'
]
class ResNet50_vd_distill_MobileNetV3_large_x1_0(fluid.dygraph.Layer):
def __init__(self, class_dim=1000, **args):
super(ResNet50_vd_distill_MobileNetV3_large_x1_0, self).__init__()
self.teacher = ResNet50_vd(class_dim=class_dim, **args)
self.student = MobileNetV3_large_x1_0(class_dim=class_dim, **args)
def forward(self, input):
teacher_label = self.teacher(input)
teacher_label.stop_gradient = True
student_label = self.student(input)
return teacher_label, student_label
class ResNeXt101_32x16d_wsl_distill_ResNet50_vd(fluid.dygraph.Layer):
def __init__(self, class_dim=1000, **args):
super(ResNet50_vd_distill_MobileNetV3_large_x1_0, self).__init__()
self.teacher = ResNeXt101_32x16d_wsl(class_dim=class_dim, **args)
self.student = ResNet50_vd(class_dim=class_dim, **args)
def forward(self, input):
teacher_label = self.teacher(input)
teacher_label.stop_gradient = True
student_label = self.student(input)
return teacher_label, student_label