import torchvision
from mmengine.dataset import InfiniteSampler
from diffengine.datasets import HFDreamBoothDataset
from diffengine.datasets.transforms import (
ComputeTimeIds,
PackInputs,
RandomCrop,
RandomHorizontalFlip,
SaveImageShape,
TorchVisonTransformWrapper,
)
from diffengine.engine.hooks import PeftSaveHook, VisualizationHook
[docs]train_pipeline = [
dict(type=SaveImageShape),
dict(type=TorchVisonTransformWrapper,
transform=torchvision.transforms.Resize,
size=1024, interpolation="bilinear"),
dict(type=RandomCrop, size=1024),
dict(type=RandomHorizontalFlip, p=0.5),
dict(type=ComputeTimeIds),
dict(type=TorchVisonTransformWrapper,
transform=torchvision.transforms.ToTensor),
dict(type=TorchVisonTransformWrapper,
transform=torchvision.transforms.Normalize, mean=[0.5], std=[0.5]),
dict(type=PackInputs, input_keys=["img", "text", "time_ids"]),
]
[docs]train_dataloader = dict(
batch_size=2,
num_workers=4,
dataset=dict(
type=HFDreamBoothDataset,
dataset="diffusers/potato-head-example",
instance_prompt="a photo of sks character",
pipeline=train_pipeline,
class_prompt=None),
sampler=dict(type=InfiniteSampler, shuffle=True),
)
[docs]test_dataloader = val_dataloader
[docs]test_evaluator = val_evaluator
[docs]custom_hooks = [
dict(
type=VisualizationHook,
prompt=["A photo of sks character in a bucket"] * 4,
by_epoch=False,
interval=100,
height=1024,
width=1024),
dict(type=PeftSaveHook),
]