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eradio_model.py

@@ -24,9 +24,6 @@ import numpy as np
 import torch.nn.functional as F
 import warnings
 
-# Register extra models
-from . import extra_timm_models
-
 SIMPLER_UP_TOWER = False
 
 #######################

extra_timm_models.py

@@ -0,0 +1,66 @@
+# Copyright (c) 2023-2024, NVIDIA CORPORATION.  All rights reserved.
+#
+# NVIDIA CORPORATION and its licensors retain all intellectual property
+# and proprietary rights in and to this software, related documentation
+# and any modifications thereto.  Any use, reproduction, disclosure or
+# distribution of this software and related documentation without an express
+# license agreement from NVIDIA CORPORATION is strictly prohibited.
+
+from torch import nn
+
+from timm.models import register_model
+from timm.models.vision_transformer import VisionTransformer, _create_vision_transformer, Mlp
+
+
+@register_model
+def vit_tiny_patch14_224(pretrained=False, **kwargs) -> VisionTransformer:
+    """ ViT-Tiny (Vit-Ti/16)
+    """
+    model_args = dict(patch_size=14, embed_dim=192, depth=12, num_heads=3)
+    model = _create_vision_transformer('vit_tiny_patch14_224', pretrained=pretrained, **dict(model_args, **kwargs))
+    return model
+
+
+@register_model
+def vit_small_patch14_224(pretrained=False, **kwargs) -> VisionTransformer:
+    """ ViT-Small (ViT-S/16)
+    """
+    model_args = dict(patch_size=14, embed_dim=384, depth=12, num_heads=6)
+    model = _create_vision_transformer('vit_small_patch16_224', pretrained=pretrained, **dict(model_args, **kwargs))
+    return model
+
+
+@register_model
+def vit_base_patch14_224(pretrained=False, **kwargs) -> VisionTransformer:
+    """ ViT-Base (ViT-B/14) from original paper (https://arxiv.org/abs/2010.11929).
+    ImageNet-1k weights fine-tuned from in21k @ 224x224, source https://github.com/google-research/vision_transformer.
+    """
+    model_args = dict(patch_size=14, embed_dim=768, depth=12, num_heads=12)
+    model = _create_vision_transformer('vit_base_patch14_224', pretrained=pretrained, **dict(model_args, **kwargs))
+    return model
+
+
+@register_model
+def vit_huge_patch16_224(pretrained=False, **kwargs) -> VisionTransformer:
+    """ ViT-Huge model (ViT-H/16) from original paper (https://arxiv.org/abs/2010.11929).
+    """
+    model_args = dict(patch_size=16, embed_dim=1280, depth=32, num_heads=16)
+    if pretrained:
+        # There is no pretrained version of ViT-H/16, but we can adapt a ViT-H/14 for this purpose
+        model = _create_vision_transformer('vit_huge_patch14_clip_336', pretrained=True, **dict(model_args, pre_norm=True, **kwargs))
+    else:
+        model = _create_vision_transformer('vit_huge_patch16_224', pretrained=False, **dict(model_args, **kwargs))
+    return model
+
+
+@register_model
+def vit_huge_patch16_224_mlpnorm(pretrained=False, **kwargs) -> VisionTransformer:
+    """ ViT-Huge model (ViT-H/16) from original paper (https://arxiv.org/abs/2010.11929).
+    """
+    model = vit_huge_patch16_224(pretrained=pretrained, **kwargs)
+
+    for m in model.modules():
+        if isinstance(m, Mlp) and not isinstance(m.norm, nn.LayerNorm):
+            m.norm = nn.LayerNorm(m.fc1.out_features)
+
+    return model

hf_model.py

@@ -23,7 +23,8 @@ from .eradio_model import eradio
 from .radio_model import create_model_from_args
 from .radio_model import RADIOModel as RADIOModelBase
 from .input_conditioner import get_default_conditioner, InputConditioner
-
+# Register extra models
+from .extra_timm_models import *
 
 class RADIOConfig(PretrainedConfig):
     """Pretrained Hugging Face configuration for RADIO models."""