Felix Marty
commited on
Commit
·
cd555aa
1
Parent(s):
74b941a
fix againg
Browse files- __init__.py +1 -0
- config.json +13 -10
- create_model.py +6 -3
- modeling/__pycache__/modeling_resnet.cpython-39.pyc +0 -0
- modeling/modeling_resnet.py +518 -0
- preprocessor_config.json +0 -18
- pytorch_model.bin +2 -2
__init__.py
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config.json
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{
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"_name_or_path": "/
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"architectures": [
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"ResNetCustomForImageClassification"
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],
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"depths": [
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],
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"downsample_in_first_stage": false,
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"embedding_size": 64,
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"hidden_act": "relu",
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"hidden_sizes": [
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],
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"id2label": {
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"0": "tench, Tinca tinca",
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"zebra": 340,
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"zucchini, courgette": 939
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},
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-
"layer_type": "
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"model_type": "resnet",
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"num_channels": 3,
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"out_features": null,
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{
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"_name_or_path": "microsoft/resnet-18",
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"architectures": [
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"ResNetCustomForImageClassification"
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],
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"auto_map": {
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"AutoModelForImageClassification": "modeling_resnet.ResNetCustomForImageClassification"
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},
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"depths": [
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2,
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2,
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2,
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2
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],
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"downsample_in_first_stage": false,
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"embedding_size": 64,
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"hidden_act": "relu",
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"hidden_sizes": [
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64,
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128,
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256,
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512
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],
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"id2label": {
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"0": "tench, Tinca tinca",
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"zebra": 340,
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"zucchini, courgette": 939
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},
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"layer_type": "basic",
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"model_type": "resnet",
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"num_channels": 3,
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"out_features": null,
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create_model.py
CHANGED
@@ -1,8 +1,11 @@
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from transformers import AutoConfig
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from modeling import ResNetCustomForImageClassification
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cfg = AutoConfig.from_pretrained("/home/fxmarty/hf_internship/tiny-testing-remote-code")
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model = ResNetCustomForImageClassification(cfg)
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model.save_pretrained("/home/fxmarty/hf_internship/tiny-testing-remote-code")
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from transformers import AutoConfig
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from modeling.modeling_resnet import ResNetCustomForImageClassification
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cfg = AutoConfig.from_pretrained("microsoft/resnet-18")
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ResNetCustomForImageClassification.register_for_auto_class("AutoModelForImageClassification")
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model = ResNetCustomForImageClassification(cfg)
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model.save_pretrained("/home/fxmarty/hf_internship/tiny-testing-remote-code")
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modeling/__pycache__/modeling_resnet.cpython-39.pyc
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Binary file (16.1 kB). View file
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modeling/modeling_resnet.py
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# coding=utf-8
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# Copyright 2022 Microsoft Research, Inc. and The HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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+
""" PyTorch ResNet model."""
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+
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from typing import Optional
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+
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import torch
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import torch.utils.checkpoint
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from torch import Tensor, nn
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from torch.nn import BCEWithLogitsLoss, CrossEntropyLoss, MSELoss
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23 |
+
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from transformers.activations import ACT2FN
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+
from transformers.modeling_outputs import (
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BackboneOutput,
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27 |
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BaseModelOutputWithNoAttention,
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28 |
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BaseModelOutputWithPoolingAndNoAttention,
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ImageClassifierOutputWithNoAttention,
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+
)
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from transformers.modeling_utils import BackboneMixin, PreTrainedModel
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32 |
+
from transformers.utils import (
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add_code_sample_docstrings,
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add_start_docstrings,
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add_start_docstrings_to_model_forward,
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36 |
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logging,
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replace_return_docstrings,
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)
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from transformers import ResNetConfig
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+
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+
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logger = logging.get_logger(__name__)
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+
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# General docstring
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_CONFIG_FOR_DOC = "ResNetConfig"
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_FEAT_EXTRACTOR_FOR_DOC = "AutoImageProcessor"
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+
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# Base docstring
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_CHECKPOINT_FOR_DOC = "microsoft/resnet-50"
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_EXPECTED_OUTPUT_SHAPE = [1, 2048, 7, 7]
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+
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# Image classification docstring
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_IMAGE_CLASS_CHECKPOINT = "microsoft/resnet-50"
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_IMAGE_CLASS_EXPECTED_OUTPUT = "tiger cat"
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+
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RESNET_PRETRAINED_MODEL_ARCHIVE_LIST = [
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"microsoft/resnet-50",
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# See all resnet models at https://huggingface.co/models?filter=resnet
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59 |
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]
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+
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+
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+
class ResNetConvLayer(nn.Module):
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+
def __init__(
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self, in_channels: int, out_channels: int, kernel_size: int = 3, stride: int = 1, activation: str = "relu"
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+
):
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+
super().__init__()
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+
self.convolution = nn.Conv2d(
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in_channels, out_channels, kernel_size=kernel_size, stride=stride, padding=kernel_size // 2, bias=False
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69 |
+
)
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+
self.normalization = nn.BatchNorm2d(out_channels)
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+
self.activation = ACT2FN[activation] if activation is not None else nn.Identity()
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72 |
+
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def forward(self, input: Tensor) -> Tensor:
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hidden_state = self.convolution(input)
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hidden_state = self.normalization(hidden_state)
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hidden_state = self.activation(hidden_state)
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return hidden_state
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+
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+
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class ResNetEmbeddings(nn.Module):
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"""
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ResNet Embeddings (stem) composed of a single aggressive convolution.
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"""
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+
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def __init__(self, config: ResNetConfig):
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super().__init__()
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self.embedder = ResNetConvLayer(
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config.num_channels, config.embedding_size, kernel_size=7, stride=2, activation=config.hidden_act
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+
)
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self.pooler = nn.MaxPool2d(kernel_size=3, stride=2, padding=1)
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self.num_channels = config.num_channels
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+
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def forward(self, pixel_values: Tensor) -> Tensor:
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num_channels = pixel_values.shape[1]
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95 |
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if num_channels != self.num_channels:
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96 |
+
raise ValueError(
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97 |
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"Make sure that the channel dimension of the pixel values match with the one set in the configuration."
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98 |
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)
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embedding = self.embedder(pixel_values)
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100 |
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embedding = self.pooler(embedding)
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return embedding
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102 |
+
|
103 |
+
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104 |
+
class ResNetShortCut(nn.Module):
|
105 |
+
"""
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106 |
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ResNet shortcut, used to project the residual features to the correct size. If needed, it is also used to
|
107 |
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downsample the input using `stride=2`.
|
108 |
+
"""
|
109 |
+
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110 |
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def __init__(self, in_channels: int, out_channels: int, stride: int = 2):
|
111 |
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super().__init__()
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112 |
+
self.convolution = nn.Conv2d(in_channels, out_channels, kernel_size=1, stride=stride, bias=False)
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113 |
+
self.normalization = nn.BatchNorm2d(out_channels)
|
114 |
+
|
115 |
+
def forward(self, input: Tensor) -> Tensor:
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116 |
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hidden_state = self.convolution(input)
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117 |
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hidden_state = self.normalization(hidden_state)
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118 |
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return hidden_state
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119 |
+
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120 |
+
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class ResNetBasicLayer(nn.Module):
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122 |
+
"""
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123 |
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A classic ResNet's residual layer composed by two `3x3` convolutions.
|
124 |
+
"""
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125 |
+
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126 |
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def __init__(self, in_channels: int, out_channels: int, stride: int = 1, activation: str = "relu"):
|
127 |
+
super().__init__()
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128 |
+
should_apply_shortcut = in_channels != out_channels or stride != 1
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129 |
+
self.shortcut = (
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130 |
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ResNetShortCut(in_channels, out_channels, stride=stride) if should_apply_shortcut else nn.Identity()
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131 |
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)
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132 |
+
self.layer = nn.Sequential(
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133 |
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ResNetConvLayer(in_channels, out_channels, stride=stride),
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134 |
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ResNetConvLayer(out_channels, out_channels, activation=None),
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)
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136 |
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self.activation = ACT2FN[activation]
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137 |
+
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138 |
+
def forward(self, hidden_state):
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139 |
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residual = hidden_state
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140 |
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hidden_state = self.layer(hidden_state)
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141 |
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residual = self.shortcut(residual)
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142 |
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hidden_state += residual
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143 |
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hidden_state = self.activation(hidden_state)
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return hidden_state
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+
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+
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+
class ResNetBottleNeckLayer(nn.Module):
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148 |
+
"""
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149 |
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A classic ResNet's bottleneck layer composed by three `3x3` convolutions.
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150 |
+
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151 |
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The first `1x1` convolution reduces the input by a factor of `reduction` in order to make the second `3x3`
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152 |
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convolution faster. The last `1x1` convolution remaps the reduced features to `out_channels`.
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153 |
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"""
|
154 |
+
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155 |
+
def __init__(
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156 |
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self, in_channels: int, out_channels: int, stride: int = 1, activation: str = "relu", reduction: int = 4
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157 |
+
):
|
158 |
+
super().__init__()
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159 |
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should_apply_shortcut = in_channels != out_channels or stride != 1
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160 |
+
reduces_channels = out_channels // reduction
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161 |
+
self.shortcut = (
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162 |
+
ResNetShortCut(in_channels, out_channels, stride=stride) if should_apply_shortcut else nn.Identity()
|
163 |
+
)
|
164 |
+
self.layer = nn.Sequential(
|
165 |
+
ResNetConvLayer(in_channels, reduces_channels, kernel_size=1),
|
166 |
+
ResNetConvLayer(reduces_channels, reduces_channels, stride=stride),
|
167 |
+
ResNetConvLayer(reduces_channels, out_channels, kernel_size=1, activation=None),
|
168 |
+
)
|
169 |
+
self.activation = ACT2FN[activation]
|
170 |
+
|
171 |
+
def forward(self, hidden_state):
|
172 |
+
residual = hidden_state
|
173 |
+
hidden_state = self.layer(hidden_state)
|
174 |
+
residual = self.shortcut(residual)
|
175 |
+
hidden_state += residual
|
176 |
+
hidden_state = self.activation(hidden_state)
|
177 |
+
return hidden_state
|
178 |
+
|
179 |
+
|
180 |
+
class ResNetStage(nn.Module):
|
181 |
+
"""
|
182 |
+
A ResNet stage composed by stacked layers.
|
183 |
+
"""
|
184 |
+
|
185 |
+
def __init__(
|
186 |
+
self,
|
187 |
+
config: ResNetConfig,
|
188 |
+
in_channels: int,
|
189 |
+
out_channels: int,
|
190 |
+
stride: int = 2,
|
191 |
+
depth: int = 2,
|
192 |
+
):
|
193 |
+
super().__init__()
|
194 |
+
|
195 |
+
layer = ResNetBottleNeckLayer if config.layer_type == "bottleneck" else ResNetBasicLayer
|
196 |
+
|
197 |
+
self.layers = nn.Sequential(
|
198 |
+
# downsampling is done in the first layer with stride of 2
|
199 |
+
layer(in_channels, out_channels, stride=stride, activation=config.hidden_act),
|
200 |
+
*[layer(out_channels, out_channels, activation=config.hidden_act) for _ in range(depth - 1)],
|
201 |
+
)
|
202 |
+
|
203 |
+
def forward(self, input: Tensor) -> Tensor:
|
204 |
+
hidden_state = input
|
205 |
+
for layer in self.layers:
|
206 |
+
hidden_state = layer(hidden_state)
|
207 |
+
hidden_state = hidden_state + 1
|
208 |
+
print("having fun in my custom code")
|
209 |
+
return hidden_state
|
210 |
+
|
211 |
+
|
212 |
+
class ResNetEncoder(nn.Module):
|
213 |
+
def __init__(self, config: ResNetConfig):
|
214 |
+
super().__init__()
|
215 |
+
self.stages = nn.ModuleList([])
|
216 |
+
# based on `downsample_in_first_stage` the first layer of the first stage may or may not downsample the input
|
217 |
+
self.stages.append(
|
218 |
+
ResNetStage(
|
219 |
+
config,
|
220 |
+
config.embedding_size,
|
221 |
+
config.hidden_sizes[0],
|
222 |
+
stride=2 if config.downsample_in_first_stage else 1,
|
223 |
+
depth=config.depths[0],
|
224 |
+
)
|
225 |
+
)
|
226 |
+
in_out_channels = zip(config.hidden_sizes, config.hidden_sizes[1:])
|
227 |
+
for (in_channels, out_channels), depth in zip(in_out_channels, config.depths[1:]):
|
228 |
+
self.stages.append(ResNetStage(config, in_channels, out_channels, depth=depth))
|
229 |
+
|
230 |
+
def forward(
|
231 |
+
self, hidden_state: Tensor, output_hidden_states: bool = False, return_dict: bool = True
|
232 |
+
) -> BaseModelOutputWithNoAttention:
|
233 |
+
hidden_states = () if output_hidden_states else None
|
234 |
+
|
235 |
+
for stage_module in self.stages:
|
236 |
+
if output_hidden_states:
|
237 |
+
hidden_states = hidden_states + (hidden_state,)
|
238 |
+
|
239 |
+
hidden_state = stage_module(hidden_state)
|
240 |
+
|
241 |
+
if output_hidden_states:
|
242 |
+
hidden_states = hidden_states + (hidden_state,)
|
243 |
+
|
244 |
+
if not return_dict:
|
245 |
+
return tuple(v for v in [hidden_state, hidden_states] if v is not None)
|
246 |
+
|
247 |
+
return BaseModelOutputWithNoAttention(
|
248 |
+
last_hidden_state=hidden_state,
|
249 |
+
hidden_states=hidden_states,
|
250 |
+
)
|
251 |
+
|
252 |
+
|
253 |
+
class ResNetPreTrainedModel(PreTrainedModel):
|
254 |
+
"""
|
255 |
+
An abstract class to handle weights initialization and a simple interface for downloading and loading pretrained
|
256 |
+
models.
|
257 |
+
"""
|
258 |
+
|
259 |
+
config_class = ResNetConfig
|
260 |
+
base_model_prefix = "resnet"
|
261 |
+
main_input_name = "pixel_values"
|
262 |
+
supports_gradient_checkpointing = True
|
263 |
+
|
264 |
+
def _init_weights(self, module):
|
265 |
+
if isinstance(module, nn.Conv2d):
|
266 |
+
nn.init.kaiming_normal_(module.weight, mode="fan_out", nonlinearity="relu")
|
267 |
+
elif isinstance(module, (nn.BatchNorm2d, nn.GroupNorm)):
|
268 |
+
nn.init.constant_(module.weight, 1)
|
269 |
+
nn.init.constant_(module.bias, 0)
|
270 |
+
|
271 |
+
def _set_gradient_checkpointing(self, module, value=False):
|
272 |
+
if isinstance(module, ResNetEncoder):
|
273 |
+
module.gradient_checkpointing = value
|
274 |
+
|
275 |
+
|
276 |
+
RESNET_START_DOCSTRING = r"""
|
277 |
+
This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) subclass. Use it
|
278 |
+
as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage and
|
279 |
+
behavior.
|
280 |
+
|
281 |
+
Parameters:
|
282 |
+
config ([`ResNetConfig`]): Model configuration class with all the parameters of the model.
|
283 |
+
Initializing with a config file does not load the weights associated with the model, only the
|
284 |
+
configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.
|
285 |
+
"""
|
286 |
+
|
287 |
+
RESNET_INPUTS_DOCSTRING = r"""
|
288 |
+
Args:
|
289 |
+
pixel_values (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)`):
|
290 |
+
Pixel values. Pixel values can be obtained using [`AutoImageProcessor`]. See
|
291 |
+
[`AutoImageProcessor.__call__`] for details.
|
292 |
+
|
293 |
+
output_hidden_states (`bool`, *optional*):
|
294 |
+
Whether or not to return the hidden states of all layers. See `hidden_states` under returned tensors for
|
295 |
+
more detail.
|
296 |
+
return_dict (`bool`, *optional*):
|
297 |
+
Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.
|
298 |
+
"""
|
299 |
+
|
300 |
+
|
301 |
+
@add_start_docstrings(
|
302 |
+
"The bare ResNet model outputting raw features without any specific head on top.",
|
303 |
+
RESNET_START_DOCSTRING,
|
304 |
+
)
|
305 |
+
class ResNetModel(ResNetPreTrainedModel):
|
306 |
+
def __init__(self, config):
|
307 |
+
super().__init__(config)
|
308 |
+
self.config = config
|
309 |
+
self.embedder = ResNetEmbeddings(config)
|
310 |
+
self.encoder = ResNetEncoder(config)
|
311 |
+
self.pooler = nn.AdaptiveAvgPool2d((1, 1))
|
312 |
+
# Initialize weights and apply final processing
|
313 |
+
self.post_init()
|
314 |
+
|
315 |
+
@add_start_docstrings_to_model_forward(RESNET_INPUTS_DOCSTRING)
|
316 |
+
@add_code_sample_docstrings(
|
317 |
+
processor_class=_FEAT_EXTRACTOR_FOR_DOC,
|
318 |
+
checkpoint=_CHECKPOINT_FOR_DOC,
|
319 |
+
output_type=BaseModelOutputWithPoolingAndNoAttention,
|
320 |
+
config_class=_CONFIG_FOR_DOC,
|
321 |
+
modality="vision",
|
322 |
+
expected_output=_EXPECTED_OUTPUT_SHAPE,
|
323 |
+
)
|
324 |
+
def forward(
|
325 |
+
self, pixel_values: Tensor, output_hidden_states: Optional[bool] = None, return_dict: Optional[bool] = None
|
326 |
+
) -> BaseModelOutputWithPoolingAndNoAttention:
|
327 |
+
output_hidden_states = (
|
328 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
329 |
+
)
|
330 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
331 |
+
|
332 |
+
embedding_output = self.embedder(pixel_values)
|
333 |
+
|
334 |
+
encoder_outputs = self.encoder(
|
335 |
+
embedding_output, output_hidden_states=output_hidden_states, return_dict=return_dict
|
336 |
+
)
|
337 |
+
|
338 |
+
last_hidden_state = encoder_outputs[0]
|
339 |
+
|
340 |
+
pooled_output = self.pooler(last_hidden_state)
|
341 |
+
|
342 |
+
if not return_dict:
|
343 |
+
return (last_hidden_state, pooled_output) + encoder_outputs[1:]
|
344 |
+
|
345 |
+
return BaseModelOutputWithPoolingAndNoAttention(
|
346 |
+
last_hidden_state=last_hidden_state,
|
347 |
+
pooler_output=pooled_output,
|
348 |
+
hidden_states=encoder_outputs.hidden_states,
|
349 |
+
)
|
350 |
+
|
351 |
+
|
352 |
+
@add_start_docstrings(
|
353 |
+
"""
|
354 |
+
ResNet Model with an image classification head on top (a linear layer on top of the pooled features), e.g. for
|
355 |
+
ImageNet.
|
356 |
+
""",
|
357 |
+
RESNET_START_DOCSTRING,
|
358 |
+
)
|
359 |
+
class ResNetCustomForImageClassification(ResNetPreTrainedModel):
|
360 |
+
def __init__(self, config):
|
361 |
+
super().__init__(config)
|
362 |
+
self.num_labels = config.num_labels
|
363 |
+
self.resnet = ResNetModel(config)
|
364 |
+
# classification head
|
365 |
+
self.classifier = nn.Sequential(
|
366 |
+
nn.Flatten(),
|
367 |
+
nn.Linear(config.hidden_sizes[-1], config.num_labels) if config.num_labels > 0 else nn.Identity(),
|
368 |
+
)
|
369 |
+
# initialize weights and apply final processing
|
370 |
+
self.post_init()
|
371 |
+
|
372 |
+
@add_start_docstrings_to_model_forward(RESNET_INPUTS_DOCSTRING)
|
373 |
+
@add_code_sample_docstrings(
|
374 |
+
processor_class=_FEAT_EXTRACTOR_FOR_DOC,
|
375 |
+
checkpoint=_IMAGE_CLASS_CHECKPOINT,
|
376 |
+
output_type=ImageClassifierOutputWithNoAttention,
|
377 |
+
config_class=_CONFIG_FOR_DOC,
|
378 |
+
expected_output=_IMAGE_CLASS_EXPECTED_OUTPUT,
|
379 |
+
)
|
380 |
+
def forward(
|
381 |
+
self,
|
382 |
+
pixel_values: Optional[torch.FloatTensor] = None,
|
383 |
+
labels: Optional[torch.LongTensor] = None,
|
384 |
+
output_hidden_states: Optional[bool] = None,
|
385 |
+
return_dict: Optional[bool] = None,
|
386 |
+
) -> ImageClassifierOutputWithNoAttention:
|
387 |
+
r"""
|
388 |
+
labels (`torch.LongTensor` of shape `(batch_size,)`, *optional*):
|
389 |
+
Labels for computing the image classification/regression loss. Indices should be in `[0, ...,
|
390 |
+
config.num_labels - 1]`. If `config.num_labels > 1` a classification loss is computed (Cross-Entropy).
|
391 |
+
"""
|
392 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
393 |
+
|
394 |
+
outputs = self.resnet(pixel_values, output_hidden_states=output_hidden_states, return_dict=return_dict)
|
395 |
+
|
396 |
+
pooled_output = outputs.pooler_output if return_dict else outputs[1]
|
397 |
+
|
398 |
+
logits = self.classifier(pooled_output)
|
399 |
+
|
400 |
+
loss = None
|
401 |
+
|
402 |
+
if labels is not None:
|
403 |
+
if self.config.problem_type is None:
|
404 |
+
if self.num_labels == 1:
|
405 |
+
self.config.problem_type = "regression"
|
406 |
+
elif self.num_labels > 1 and (labels.dtype == torch.long or labels.dtype == torch.int):
|
407 |
+
self.config.problem_type = "single_label_classification"
|
408 |
+
else:
|
409 |
+
self.config.problem_type = "multi_label_classification"
|
410 |
+
if self.config.problem_type == "regression":
|
411 |
+
loss_fct = MSELoss()
|
412 |
+
if self.num_labels == 1:
|
413 |
+
loss = loss_fct(logits.squeeze(), labels.squeeze())
|
414 |
+
else:
|
415 |
+
loss = loss_fct(logits, labels)
|
416 |
+
elif self.config.problem_type == "single_label_classification":
|
417 |
+
loss_fct = CrossEntropyLoss()
|
418 |
+
loss = loss_fct(logits.view(-1, self.num_labels), labels.view(-1))
|
419 |
+
elif self.config.problem_type == "multi_label_classification":
|
420 |
+
loss_fct = BCEWithLogitsLoss()
|
421 |
+
loss = loss_fct(logits, labels)
|
422 |
+
|
423 |
+
if not return_dict:
|
424 |
+
output = (logits,) + outputs[2:]
|
425 |
+
return (loss,) + output if loss is not None else output
|
426 |
+
|
427 |
+
return ImageClassifierOutputWithNoAttention(loss=loss, logits=logits, hidden_states=outputs.hidden_states)
|
428 |
+
|
429 |
+
|
430 |
+
@add_start_docstrings(
|
431 |
+
"""
|
432 |
+
ResNet backbone, to be used with frameworks like DETR and MaskFormer.
|
433 |
+
""",
|
434 |
+
RESNET_START_DOCSTRING,
|
435 |
+
)
|
436 |
+
class ResNetBackbone(ResNetPreTrainedModel, BackboneMixin):
|
437 |
+
def __init__(self, config):
|
438 |
+
super().__init__(config)
|
439 |
+
|
440 |
+
self.stage_names = config.stage_names
|
441 |
+
self.embedder = ResNetEmbeddings(config)
|
442 |
+
self.encoder = ResNetEncoder(config)
|
443 |
+
|
444 |
+
self.out_features = config.out_features if config.out_features is not None else [self.stage_names[-1]]
|
445 |
+
|
446 |
+
out_feature_channels = {}
|
447 |
+
out_feature_channels["stem"] = config.embedding_size
|
448 |
+
for idx, stage in enumerate(self.stage_names[1:]):
|
449 |
+
out_feature_channels[stage] = config.hidden_sizes[idx]
|
450 |
+
|
451 |
+
self.out_feature_channels = out_feature_channels
|
452 |
+
|
453 |
+
# initialize weights and apply final processing
|
454 |
+
self.post_init()
|
455 |
+
|
456 |
+
@property
|
457 |
+
def channels(self):
|
458 |
+
return [self.out_feature_channels[name] for name in self.out_features]
|
459 |
+
|
460 |
+
@add_start_docstrings_to_model_forward(RESNET_INPUTS_DOCSTRING)
|
461 |
+
@replace_return_docstrings(output_type=BackboneOutput, config_class=_CONFIG_FOR_DOC)
|
462 |
+
def forward(
|
463 |
+
self, pixel_values: Tensor, output_hidden_states: Optional[bool] = None, return_dict: Optional[bool] = None
|
464 |
+
) -> BackboneOutput:
|
465 |
+
"""
|
466 |
+
Returns:
|
467 |
+
|
468 |
+
Examples:
|
469 |
+
|
470 |
+
```python
|
471 |
+
>>> from transformers import AutoImageProcessor, AutoBackbone
|
472 |
+
>>> import torch
|
473 |
+
>>> from PIL import Image
|
474 |
+
>>> import requests
|
475 |
+
|
476 |
+
>>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
|
477 |
+
>>> image = Image.open(requests.get(url, stream=True).raw)
|
478 |
+
|
479 |
+
>>> processor = AutoImageProcessor.from_pretrained("microsoft/resnet-50")
|
480 |
+
>>> model = AutoBackbone.from_pretrained(
|
481 |
+
... "microsoft/resnet-50", out_features=["stage1", "stage2", "stage3", "stage4"]
|
482 |
+
... )
|
483 |
+
|
484 |
+
>>> inputs = processor(image, return_tensors="pt")
|
485 |
+
|
486 |
+
>>> outputs = model(**inputs)
|
487 |
+
>>> feature_maps = outputs.feature_maps
|
488 |
+
>>> list(feature_maps[-1].shape)
|
489 |
+
[1, 2048, 7, 7]
|
490 |
+
```"""
|
491 |
+
return_dict = return_dict if return_dict is not None else self.config.use_return_dict
|
492 |
+
output_hidden_states = (
|
493 |
+
output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
|
494 |
+
)
|
495 |
+
|
496 |
+
embedding_output = self.embedder(pixel_values)
|
497 |
+
|
498 |
+
outputs = self.encoder(embedding_output, output_hidden_states=True, return_dict=True)
|
499 |
+
|
500 |
+
hidden_states = outputs.hidden_states
|
501 |
+
|
502 |
+
feature_maps = ()
|
503 |
+
for idx, stage in enumerate(self.stage_names):
|
504 |
+
if stage in self.out_features:
|
505 |
+
feature_maps += (hidden_states[idx],)
|
506 |
+
|
507 |
+
if not return_dict:
|
508 |
+
output = (feature_maps,)
|
509 |
+
if output_hidden_states:
|
510 |
+
output += (outputs.hidden_states,)
|
511 |
+
return output
|
512 |
+
|
513 |
+
return BackboneOutput(
|
514 |
+
feature_maps=feature_maps,
|
515 |
+
hidden_states=outputs.hidden_states if output_hidden_states else None,
|
516 |
+
attentions=None,
|
517 |
+
)
|
518 |
+
|
preprocessor_config.json
DELETED
@@ -1,18 +0,0 @@
|
|
1 |
-
{
|
2 |
-
"crop_pct": 0.875,
|
3 |
-
"do_normalize": true,
|
4 |
-
"do_resize": true,
|
5 |
-
"feature_extractor_type": "ConvNextFeatureExtractor",
|
6 |
-
"image_mean": [
|
7 |
-
0.485,
|
8 |
-
0.456,
|
9 |
-
0.406
|
10 |
-
],
|
11 |
-
"image_std": [
|
12 |
-
0.229,
|
13 |
-
0.224,
|
14 |
-
0.225
|
15 |
-
],
|
16 |
-
"resample": 3,
|
17 |
-
"size": 224
|
18 |
-
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
pytorch_model.bin
CHANGED
@@ -1,3 +1,3 @@
|
|
1 |
version https://git-lfs.github.com/spec/v1
|
2 |
-
oid sha256:
|
3 |
-
size
|
|
|
1 |
version https://git-lfs.github.com/spec/v1
|
2 |
+
oid sha256:8f478b667de57399a36a48edda1a0c261b8370677f3b500f9dd740afc4967e15
|
3 |
+
size 46837749
|