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A config dictionary from which the Python class is instantiated. Make sure to only load configuration
files of compatible classes. return_unused_kwargs (bool, optional, defaults to False) —
Whether kwargs that are not consumed by the Python class should be returned or not. kwargs (remaining dictionary of keyword arguments, optional) —
Can be used to update the configuration object (after it is loaded) and initiate the Python class.
**kwargs are passed directly to the underlying scheduler/model’s __init__ method and eventually
overwrite the same named arguments in config. Returns
ModelMixin or SchedulerMixin
A model or scheduler object instantiated from a config dictionary.
Instantiate a Python class from a config dictionary. Examples: Copied >>> from diffusers import DDPMScheduler, DDIMScheduler, PNDMScheduler
>>> # Download scheduler from huggingface.co and cache.
>>> scheduler = DDPMScheduler.from_pretrained("google/ddpm-cifar10-32")
>>> # Instantiate DDIM scheduler class with same config as DDPM
>>> scheduler = DDIMScheduler.from_config(scheduler.config)
>>> # Instantiate PNDM scheduler class with same config as DDPM
>>> scheduler = PNDMScheduler.from_config(scheduler.config) save_config < source > ( save_directory: Union push_to_hub: bool = False **kwargs ) Parameters save_directory (str or os.PathLike) —
Directory where the configuration JSON file is saved (will be created if it does not exist). push_to_hub (bool, optional, defaults to False) —
Whether or not to push your model to the Hugging Face Hub after saving it. You can specify the
repository you want to push to with repo_id (will default to the name of save_directory in your
namespace). kwargs (Dict[str, Any], optional) —
Additional keyword arguments passed along to the push_to_hub() method. Save a configuration object to the directory specified in save_directory so that it can be reloaded using the
from_config() class method. to_json_file < source > ( json_file_path: Union ) Parameters json_file_path (str or os.PathLike) —
Path to the JSON file to save a configuration instance’s parameters. Save the configuration instance’s parameters to a JSON file. to_json_string < source > ( ) → str Returns
str
String containing all the attributes that make up the configuration instance in JSON format.
Serializes the configuration instance to a JSON string.
Latent Diffusion
Overview
Latent Diffusion was proposed in High-Resolution Image Synthesis with Latent Diffusion Models by Robin Rombach, Andreas Blattmann, Dominik Lorenz, Patrick Esser, Björn Ommer.
The abstract of the paper is the following:
By decomposing the image formation process into a sequential application of denoising autoencoders, diffusion models (DMs) achieve state-of-the-art synthesis results on image data and beyond. Additionally, their formulation allows for a guiding mechanism to control the image generation process without retraining. Howev...
The original codebase can be found here.
Tips:
Available Pipelines:
Pipeline
Tasks
Colab
pipeline_latent_diffusion.py
Text-to-Image Generation
-
pipeline_latent_diffusion_superresolution.py
Super Resolution
-
Examples:
LDMTextToImagePipeline
class diffusers.LDMTextToImagePipeline
<
source
>
(
vqvae: typing.Union[diffusers.models.vq_model.VQModel, diffusers.models.autoencoder_kl.AutoencoderKL]
bert: PreTrainedModel
tokenizer: PreTrainedTokenizer
unet: typing.Union[diffusers.models.unet_2d.UNet2DModel, diffusers.models.unet_2d_condition.UNet2DConditionModel]
scheduler: typing.Union[diffusers.schedulers.scheduling_ddim.DDIMScheduler, diffusers.schedulers.scheduling_pndm.PNDMScheduler, diffusers.schedulers.scheduling_lms_discrete.LMSDiscreteScheduler]
)
Parameters
vqvae (VQModel) —
Vector-quantized (VQ) Model to encode and decode images to and from latent representations.
bert (LDMBertModel) —
Text-encoder model based on BERT architecture.
tokenizer (transformers.BertTokenizer) —
Tokenizer of class
BertTokenizer.
unet (UNet2DConditionModel) — Conditional U-Net architecture to denoise the encoded image latents.
scheduler (SchedulerMixin) —
A scheduler to be used in combination with unet to denoise the encoded image latents. Can be one of
DDIMScheduler, LMSDiscreteScheduler, or PNDMScheduler.