Upload 6 files
Browse files- config.json +35 -26
- model.safetensors +2 -2
- modeling_keep.py +29 -17
- pytorch_model.bin +1 -1
config.json
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@@ -1,34 +1,43 @@
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{
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"
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"
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"
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"num_heads": 16,
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"num_layers": 24,
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"mlp_ratio": 4.0,
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"qkv_bias": true,
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"drop_rate": 0.0,
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"attn_drop_rate": 0.0,
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"init_values": 1e-5,
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"num_classes": 0,
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"dynamic_img_size": true
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},
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"text_config": {
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"
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"vocab_size": 30522,
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"hidden_size": 768,
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"num_hidden_layers": 12,
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"num_attention_heads": 12,
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"intermediate_size": 3072,
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"hidden_act": "gelu",
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"hidden_dropout_prob": 0.1,
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"
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"max_position_embeddings": 512,
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"type_vocab_size": 2,
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"
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"layer_norm_eps": 1e-12
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},
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"
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{
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"architectures": [
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"KEEPModel"
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],
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"auto_map": {
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"AutoConfig": "modeling_keep.KEEPConfig",
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"AutoModel": "modeling_keep.KEEPModel"
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},
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"model_type": "keep",
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"projection_dim": 768,
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"text_config": {
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"attention_probs_dropout_prob": 0.1,
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"hidden_act": "gelu",
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"hidden_dropout_prob": 0.1,
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"hidden_size": 768,
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"initializer_range": 0.02,
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"intermediate_size": 3072,
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"layer_norm_eps": 1e-12,
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"max_position_embeddings": 512,
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"model_type": "bert",
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"num_attention_heads": 12,
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"num_hidden_layers": 12,
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"type_vocab_size": 2,
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"vocab_size": 30522
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},
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"torch_dtype": "float32",
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"transformers_version": "4.46.3",
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"vision_config": {
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"attn_drop_rate": 0.0,
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"drop_rate": 0.0,
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"dynamic_img_size": true,
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"hidden_size": 1024,
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"img_size": 224,
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"init_values": 1e-05,
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"mlp_ratio": 4.0,
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"model_type": "vit",
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"num_classes": 0,
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"num_heads": 16,
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"num_layers": 24,
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"patch_size": 16,
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"qkv_bias": true
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}
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}
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model.safetensors
CHANGED
@@ -1,3 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:
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size
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version https://git-lfs.github.com/spec/v1
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oid sha256:82f610d5359aca67b5fd5d841009f26db430ae78d0693743589c0a727b0a146d
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size 1656902084
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modeling_keep.py
CHANGED
@@ -6,48 +6,61 @@ import numpy
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from torchvision import transforms
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from PIL import Image
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class KEEPConfig(PretrainedConfig):
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model_type = "keep" #
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def __init__(
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self,
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vision_config=None, # Vision Encoder
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text_config=None, # Text Encoder
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projection_dim=768,
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**kwargs,
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):
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super().__init__(**kwargs)
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self.vision_config = vision_config
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self.text_config = text_config
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self.projection_dim = projection_dim
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class KEEPModel(PreTrainedModel):
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config_class = KEEPConfig #
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def __init__(self, config):
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super().__init__(config)
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# Vision Encoder
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vision_config = config.vision_config
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self.visual = timm.create_model(
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"vit_large_patch16_224",
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pretrained=False,
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img_size=vision_config
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patch_size=vision_config
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init_values=vision_config
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num_classes=vision_config
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dynamic_img_size=vision_config.get("dynamic_img_size", True),
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)
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# 线性投影层,将 Vision Encoder 的输出投影到 768 维
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self.visual_head = nn.Sequential(
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nn.Linear(self.visual.num_features, config.projection_dim),
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nn.GELU(),
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nn.Linear(config.projection_dim, config.projection_dim)
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)
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# Text Encoder
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text_config = BertConfig(**config.text_config)
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self.text = BertModel(text_config)
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@@ -69,8 +82,7 @@ class KEEPModel(PreTrainedModel):
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text_features = self.encode_text(text_inputs)
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# 返回两个独立的特征
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return {
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"vision_features": vision_features,
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"text_features": text_features
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}
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from torchvision import transforms
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from PIL import Image
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class RenameLayerScale(nn.Module):
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def __init__(
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self,
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dim: int,
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init_values: float = 1e-5,
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inplace: bool = False,
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) -> None:
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super().__init__()
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self.inplace = inplace
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self.weight = nn.Parameter(init_values * torch.ones(dim))
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def forward(self, x: torch.Tensor) -> torch.Tensor:
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return x.mul_(self.weight) if self.inplace else x * self.weight
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timm.models.vision_transformer.LayerScale = RenameLayerScale
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class KEEPConfig(PretrainedConfig):
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model_type = "keep" #
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def __init__(
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self,
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vision_config=None, # Vision Encoder
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text_config=None, # Text Encoder
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projection_dim=768,
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**kwargs,
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):
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super().__init__(**kwargs)
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self.vision_config = vision_config
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self.text_config = text_config
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self.projection_dim = projection_dim
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class KEEPModel(PreTrainedModel):
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config_class = KEEPConfig #
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def __init__(self, config):
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super().__init__(config)
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# Vision Encoder
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vision_config = config.vision_config
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self.visual = timm.create_model(
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"vit_large_patch16_224",
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pretrained=False,
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img_size=vision_config["img_size"],
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patch_size=vision_config["patch_size"],
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init_values=vision_config["init_values"],
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num_classes=vision_config["num_classes"],
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)
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self.visual_head = nn.Sequential(
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nn.Linear(self.visual.num_features, config.projection_dim),
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nn.GELU(),
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nn.Linear(config.projection_dim, config.projection_dim)
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)
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# Text Encoder
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text_config = BertConfig(**config.text_config)
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self.text = BertModel(text_config)
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text_features = self.encode_text(text_inputs)
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return {
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"vision_features": vision_features,
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"text_features": text_features
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}
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pytorch_model.bin
CHANGED
@@ -1,3 +1,3 @@
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version https://git-lfs.github.com/spec/v1
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-
oid sha256:
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size 1657016149
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version https://git-lfs.github.com/spec/v1
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+
oid sha256:526a677bf714388d2485a45f5c372505a9874d56a86645b154e2d46ab60d87ca
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size 1657016149
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