433 lines
20 KiB
Python
433 lines
20 KiB
Python
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# coding=utf-8
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# Copyright 2022 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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""" CLIPSeg model configuration"""
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import os
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from typing import Union
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from ...configuration_utils import PretrainedConfig
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from ...utils import logging
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logger = logging.get_logger(__name__)
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from ..deprecated._archive_maps import CLIPSEG_PRETRAINED_CONFIG_ARCHIVE_MAP # noqa: F401, E402
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class CLIPSegTextConfig(PretrainedConfig):
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r"""
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This is the configuration class to store the configuration of a [`CLIPSegModel`]. It is used to instantiate an
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CLIPSeg model according to the specified arguments, defining the model architecture. Instantiating a configuration
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with the defaults will yield a similar configuration to that of the CLIPSeg
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[CIDAS/clipseg-rd64](https://huggingface.co/CIDAS/clipseg-rd64) architecture.
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Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
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documentation from [`PretrainedConfig`] for more information.
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Args:
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vocab_size (`int`, *optional*, defaults to 49408):
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Vocabulary size of the CLIPSeg text model. Defines the number of different tokens that can be represented
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by the `inputs_ids` passed when calling [`CLIPSegModel`].
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hidden_size (`int`, *optional*, defaults to 512):
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Dimensionality of the encoder layers and the pooler layer.
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intermediate_size (`int`, *optional*, defaults to 2048):
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Dimensionality of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
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num_hidden_layers (`int`, *optional*, defaults to 12):
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Number of hidden layers in the Transformer encoder.
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num_attention_heads (`int`, *optional*, defaults to 8):
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Number of attention heads for each attention layer in the Transformer encoder.
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max_position_embeddings (`int`, *optional*, defaults to 77):
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The maximum sequence length that this model might ever be used with. Typically set this to something large
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just in case (e.g., 512 or 1024 or 2048).
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hidden_act (`str` or `function`, *optional*, defaults to `"quick_gelu"`):
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The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
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`"relu"`, `"selu"` and `"gelu_new"` ``"quick_gelu"` are supported.
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layer_norm_eps (`float`, *optional*, defaults to 1e-05):
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The epsilon used by the layer normalization layers.
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attention_dropout (`float`, *optional*, defaults to 0.0):
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The dropout ratio for the attention probabilities.
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initializer_range (`float`, *optional*, defaults to 0.02):
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The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
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initializer_factor (`float`, *optional*, defaults to 1.0):
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A factor for initializing all weight matrices (should be kept to 1, used internally for initialization
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testing).
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pad_token_id (`int`, *optional*, defaults to 1):
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Padding token id.
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bos_token_id (`int`, *optional*, defaults to 49406):
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Beginning of stream token id.
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eos_token_id (`int`, *optional*, defaults to 49407):
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End of stream token id.
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Example:
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```python
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>>> from transformers import CLIPSegTextConfig, CLIPSegTextModel
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>>> # Initializing a CLIPSegTextConfig with CIDAS/clipseg-rd64 style configuration
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>>> configuration = CLIPSegTextConfig()
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>>> # Initializing a CLIPSegTextModel (with random weights) from the CIDAS/clipseg-rd64 style configuration
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>>> model = CLIPSegTextModel(configuration)
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>>> # Accessing the model configuration
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>>> configuration = model.config
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```"""
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model_type = "clipseg_text_model"
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def __init__(
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self,
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vocab_size=49408,
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hidden_size=512,
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intermediate_size=2048,
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num_hidden_layers=12,
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num_attention_heads=8,
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max_position_embeddings=77,
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hidden_act="quick_gelu",
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layer_norm_eps=1e-5,
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attention_dropout=0.0,
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initializer_range=0.02,
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initializer_factor=1.0,
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pad_token_id=1,
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bos_token_id=49406,
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eos_token_id=49407,
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**kwargs,
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):
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super().__init__(pad_token_id=pad_token_id, bos_token_id=bos_token_id, eos_token_id=eos_token_id, **kwargs)
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self.vocab_size = vocab_size
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self.hidden_size = hidden_size
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self.intermediate_size = intermediate_size
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self.num_hidden_layers = num_hidden_layers
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self.num_attention_heads = num_attention_heads
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self.max_position_embeddings = max_position_embeddings
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self.layer_norm_eps = layer_norm_eps
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self.hidden_act = hidden_act
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self.initializer_range = initializer_range
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self.initializer_factor = initializer_factor
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self.attention_dropout = attention_dropout
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@classmethod
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def from_pretrained(cls, pretrained_model_name_or_path: Union[str, os.PathLike], **kwargs) -> "PretrainedConfig":
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cls._set_token_in_kwargs(kwargs)
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config_dict, kwargs = cls.get_config_dict(pretrained_model_name_or_path, **kwargs)
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# get the text config dict if we are loading from CLIPSegConfig
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if config_dict.get("model_type") == "clipseg":
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config_dict = config_dict["text_config"]
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if "model_type" in config_dict and hasattr(cls, "model_type") and config_dict["model_type"] != cls.model_type:
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logger.warning(
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f"You are using a model of type {config_dict['model_type']} to instantiate a model of type "
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f"{cls.model_type}. This is not supported for all configurations of models and can yield errors."
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)
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return cls.from_dict(config_dict, **kwargs)
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class CLIPSegVisionConfig(PretrainedConfig):
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r"""
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This is the configuration class to store the configuration of a [`CLIPSegModel`]. It is used to instantiate an
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CLIPSeg model according to the specified arguments, defining the model architecture. Instantiating a configuration
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with the defaults will yield a similar configuration to that of the CLIPSeg
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[CIDAS/clipseg-rd64](https://huggingface.co/CIDAS/clipseg-rd64) architecture.
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Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
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documentation from [`PretrainedConfig`] for more information.
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Args:
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hidden_size (`int`, *optional*, defaults to 768):
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Dimensionality of the encoder layers and the pooler layer.
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intermediate_size (`int`, *optional*, defaults to 3072):
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Dimensionality of the "intermediate" (i.e., feed-forward) layer in the Transformer encoder.
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num_hidden_layers (`int`, *optional*, defaults to 12):
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Number of hidden layers in the Transformer encoder.
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num_attention_heads (`int`, *optional*, defaults to 12):
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Number of attention heads for each attention layer in the Transformer encoder.
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num_channels (`int`, *optional*, defaults to 3):
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The number of input channels.
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image_size (`int`, *optional*, defaults to 224):
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The size (resolution) of each image.
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patch_size (`int`, *optional*, defaults to 32):
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The size (resolution) of each patch.
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hidden_act (`str` or `function`, *optional*, defaults to `"quick_gelu"`):
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The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
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`"relu"`, `"selu"` and `"gelu_new"` ``"quick_gelu"` are supported.
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layer_norm_eps (`float`, *optional*, defaults to 1e-05):
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The epsilon used by the layer normalization layers.
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attention_dropout (`float`, *optional*, defaults to 0.0):
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The dropout ratio for the attention probabilities.
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initializer_range (`float`, *optional*, defaults to 0.02):
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The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
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initializer_factor (`float`, *optional*, defaults to 1.0):
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A factor for initializing all weight matrices (should be kept to 1, used internally for initialization
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testing).
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Example:
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```python
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>>> from transformers import CLIPSegVisionConfig, CLIPSegVisionModel
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>>> # Initializing a CLIPSegVisionConfig with CIDAS/clipseg-rd64 style configuration
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>>> configuration = CLIPSegVisionConfig()
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>>> # Initializing a CLIPSegVisionModel (with random weights) from the CIDAS/clipseg-rd64 style configuration
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>>> model = CLIPSegVisionModel(configuration)
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>>> # Accessing the model configuration
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>>> configuration = model.config
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```"""
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model_type = "clipseg_vision_model"
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def __init__(
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self,
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hidden_size=768,
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intermediate_size=3072,
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num_hidden_layers=12,
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num_attention_heads=12,
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num_channels=3,
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image_size=224,
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patch_size=32,
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hidden_act="quick_gelu",
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layer_norm_eps=1e-5,
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attention_dropout=0.0,
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initializer_range=0.02,
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initializer_factor=1.0,
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**kwargs,
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):
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super().__init__(**kwargs)
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self.hidden_size = hidden_size
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self.intermediate_size = intermediate_size
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self.num_hidden_layers = num_hidden_layers
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self.num_attention_heads = num_attention_heads
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self.num_channels = num_channels
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self.patch_size = patch_size
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self.image_size = image_size
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self.initializer_range = initializer_range
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self.initializer_factor = initializer_factor
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self.attention_dropout = attention_dropout
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self.layer_norm_eps = layer_norm_eps
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self.hidden_act = hidden_act
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@classmethod
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def from_pretrained(cls, pretrained_model_name_or_path: Union[str, os.PathLike], **kwargs) -> "PretrainedConfig":
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cls._set_token_in_kwargs(kwargs)
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config_dict, kwargs = cls.get_config_dict(pretrained_model_name_or_path, **kwargs)
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# get the vision config dict if we are loading from CLIPSegConfig
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if config_dict.get("model_type") == "clipseg":
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config_dict = config_dict["vision_config"]
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if "model_type" in config_dict and hasattr(cls, "model_type") and config_dict["model_type"] != cls.model_type:
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logger.warning(
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f"You are using a model of type {config_dict['model_type']} to instantiate a model of type "
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f"{cls.model_type}. This is not supported for all configurations of models and can yield errors."
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)
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return cls.from_dict(config_dict, **kwargs)
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class CLIPSegConfig(PretrainedConfig):
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r"""
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[`CLIPSegConfig`] is the configuration class to store the configuration of a [`CLIPSegModel`]. It is used to
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instantiate a CLIPSeg model according to the specified arguments, defining the text model and vision model configs.
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Instantiating a configuration with the defaults will yield a similar configuration to that of the CLIPSeg
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[CIDAS/clipseg-rd64](https://huggingface.co/CIDAS/clipseg-rd64) architecture.
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Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
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documentation from [`PretrainedConfig`] for more information.
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Args:
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text_config (`dict`, *optional*):
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Dictionary of configuration options used to initialize [`CLIPSegTextConfig`].
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vision_config (`dict`, *optional*):
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Dictionary of configuration options used to initialize [`CLIPSegVisionConfig`].
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projection_dim (`int`, *optional*, defaults to 512):
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Dimensionality of text and vision projection layers.
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logit_scale_init_value (`float`, *optional*, defaults to 2.6592):
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The inital value of the *logit_scale* paramter. Default is used as per the original CLIPSeg implementation.
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extract_layers (`List[int]`, *optional*, defaults to `[3, 6, 9]`):
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Layers to extract when forwarding the query image through the frozen visual backbone of CLIP.
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reduce_dim (`int`, *optional*, defaults to 64):
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Dimensionality to reduce the CLIP vision embedding.
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decoder_num_attention_heads (`int`, *optional*, defaults to 4):
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Number of attention heads in the decoder of CLIPSeg.
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decoder_attention_dropout (`float`, *optional*, defaults to 0.0):
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The dropout ratio for the attention probabilities.
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decoder_hidden_act (`str` or `function`, *optional*, defaults to `"quick_gelu"`):
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The non-linear activation function (function or string) in the encoder and pooler. If string, `"gelu"`,
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`"relu"`, `"selu"` and `"gelu_new"` ``"quick_gelu"` are supported.
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decoder_intermediate_size (`int`, *optional*, defaults to 2048):
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Dimensionality of the "intermediate" (i.e., feed-forward) layers in the Transformer decoder.
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conditional_layer (`int`, *optional*, defaults to 0):
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The layer to use of the Transformer encoder whose activations will be combined with the condition
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embeddings using FiLM (Feature-wise Linear Modulation). If 0, the last layer is used.
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use_complex_transposed_convolution (`bool`, *optional*, defaults to `False`):
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Whether to use a more complex transposed convolution in the decoder, enabling more fine-grained
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segmentation.
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kwargs (*optional*):
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Dictionary of keyword arguments.
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Example:
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```python
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>>> from transformers import CLIPSegConfig, CLIPSegModel
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>>> # Initializing a CLIPSegConfig with CIDAS/clipseg-rd64 style configuration
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>>> configuration = CLIPSegConfig()
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>>> # Initializing a CLIPSegModel (with random weights) from the CIDAS/clipseg-rd64 style configuration
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>>> model = CLIPSegModel(configuration)
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>>> # Accessing the model configuration
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>>> configuration = model.config
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>>> # We can also initialize a CLIPSegConfig from a CLIPSegTextConfig and a CLIPSegVisionConfig
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>>> # Initializing a CLIPSegText and CLIPSegVision configuration
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>>> config_text = CLIPSegTextConfig()
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>>> config_vision = CLIPSegVisionConfig()
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>>> config = CLIPSegConfig.from_text_vision_configs(config_text, config_vision)
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```"""
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model_type = "clipseg"
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def __init__(
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self,
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text_config=None,
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vision_config=None,
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projection_dim=512,
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logit_scale_init_value=2.6592,
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extract_layers=[3, 6, 9],
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reduce_dim=64,
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decoder_num_attention_heads=4,
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decoder_attention_dropout=0.0,
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decoder_hidden_act="quick_gelu",
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decoder_intermediate_size=2048,
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conditional_layer=0,
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use_complex_transposed_convolution=False,
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**kwargs,
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):
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# If `_config_dict` exist, we use them for the backward compatibility.
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# We pop out these 2 attributes before calling `super().__init__` to avoid them being saved (which causes a lot
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# of confusion!).
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text_config_dict = kwargs.pop("text_config_dict", None)
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vision_config_dict = kwargs.pop("vision_config_dict", None)
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super().__init__(**kwargs)
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# Instead of simply assigning `[text|vision]_config_dict` to `[text|vision]_config`, we use the values in
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# `[text|vision]_config_dict` to update the values in `[text|vision]_config`. The values should be same in most
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# cases, but we don't want to break anything regarding `_config_dict` that existed before commit `8827e1b2`.
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if text_config_dict is not None:
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if text_config is None:
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text_config = {}
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# This is the complete result when using `text_config_dict`.
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_text_config_dict = CLIPSegTextConfig(**text_config_dict).to_dict()
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# Give a warning if the values exist in both `_text_config_dict` and `text_config` but being different.
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for key, value in _text_config_dict.items():
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if key in text_config and value != text_config[key] and key not in ["transformers_version"]:
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# If specified in `text_config_dict`
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if key in text_config_dict:
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message = (
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f"`{key}` is found in both `text_config_dict` and `text_config` but with different values. "
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f'The value `text_config_dict["{key}"]` will be used instead.'
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)
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# If inferred from default argument values (just to be super careful)
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else:
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message = (
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f"`text_config_dict` is provided which will be used to initialize `CLIPSegTextConfig`. The "
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f'value `text_config["{key}"]` will be overriden.'
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)
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logger.info(message)
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# Update all values in `text_config` with the ones in `_text_config_dict`.
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text_config.update(_text_config_dict)
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if vision_config_dict is not None:
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if vision_config is None:
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vision_config = {}
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# This is the complete result when using `vision_config_dict`.
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_vision_config_dict = CLIPSegVisionConfig(**vision_config_dict).to_dict()
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# convert keys to string instead of integer
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if "id2label" in _vision_config_dict:
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_vision_config_dict["id2label"] = {
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str(key): value for key, value in _vision_config_dict["id2label"].items()
|
||
|
}
|
||
|
|
||
|
# Give a warning if the values exist in both `_vision_config_dict` and `vision_config` but being different.
|
||
|
for key, value in _vision_config_dict.items():
|
||
|
if key in vision_config and value != vision_config[key] and key not in ["transformers_version"]:
|
||
|
# If specified in `vision_config_dict`
|
||
|
if key in vision_config_dict:
|
||
|
message = (
|
||
|
f"`{key}` is found in both `vision_config_dict` and `vision_config` but with different "
|
||
|
f'values. The value `vision_config_dict["{key}"]` will be used instead.'
|
||
|
)
|
||
|
# If inferred from default argument values (just to be super careful)
|
||
|
else:
|
||
|
message = (
|
||
|
f"`vision_config_dict` is provided which will be used to initialize `CLIPSegVisionConfig`. "
|
||
|
f'The value `vision_config["{key}"]` will be overriden.'
|
||
|
)
|
||
|
logger.info(message)
|
||
|
|
||
|
# Update all values in `vision_config` with the ones in `_vision_config_dict`.
|
||
|
vision_config.update(_vision_config_dict)
|
||
|
|
||
|
if text_config is None:
|
||
|
text_config = {}
|
||
|
logger.info("`text_config` is `None`. Initializing the `CLIPSegTextConfig` with default values.")
|
||
|
|
||
|
if vision_config is None:
|
||
|
vision_config = {}
|
||
|
logger.info("`vision_config` is `None`. initializing the `CLIPSegVisionConfig` with default values.")
|
||
|
|
||
|
self.text_config = CLIPSegTextConfig(**text_config)
|
||
|
self.vision_config = CLIPSegVisionConfig(**vision_config)
|
||
|
|
||
|
self.projection_dim = projection_dim
|
||
|
self.logit_scale_init_value = logit_scale_init_value
|
||
|
self.extract_layers = extract_layers
|
||
|
self.reduce_dim = reduce_dim
|
||
|
self.decoder_num_attention_heads = decoder_num_attention_heads
|
||
|
self.decoder_attention_dropout = decoder_attention_dropout
|
||
|
self.decoder_hidden_act = decoder_hidden_act
|
||
|
self.decoder_intermediate_size = decoder_intermediate_size
|
||
|
self.conditional_layer = conditional_layer
|
||
|
self.initializer_factor = 1.0
|
||
|
self.use_complex_transposed_convolution = use_complex_transposed_convolution
|
||
|
|
||
|
@classmethod
|
||
|
def from_text_vision_configs(cls, text_config: CLIPSegTextConfig, vision_config: CLIPSegVisionConfig, **kwargs):
|
||
|
r"""
|
||
|
Instantiate a [`CLIPSegConfig`] (or a derived class) from clipseg text model configuration and clipseg vision
|
||
|
model configuration.
|
||
|
|
||
|
Returns:
|
||
|
[`CLIPSegConfig`]: An instance of a configuration object
|
||
|
"""
|
||
|
|
||
|
return cls(text_config=text_config.to_dict(), vision_config=vision_config.to_dict(), **kwargs)
|