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mmedit.models.editors.pix2pix.pix2pix

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Classes

Pix2Pix

Pix2Pix model for paired image-to-image translation.

class mmedit.models.editors.pix2pix.pix2pix.Pix2Pix(*args, **kwargs)[源代码]

Bases: mmedit.models.base_models.BaseTranslationModel

Pix2Pix model for paired image-to-image translation.

Ref:

Image-to-Image Translation with Conditional Adversarial Networks

forward_test(img, target_domain, **kwargs)[源代码]

Forward function for testing.

参数
  • img (tensor) – Input image tensor.

  • target_domain (str) – Target domain of output image.

  • kwargs (dict) – Other arguments.

返回

Forward results.

返回类型

dict

_get_disc_loss(outputs)[源代码]

Get the loss of discriminator.

参数

outputs (dict) – A dict of output.

返回

Loss and a dict of log of loss terms.

返回类型

Tuple

_get_gen_loss(outputs)[源代码]

Get the loss of generator.

参数

outputs (dict) – A dict of output.

返回

Loss and a dict of log of loss terms.

返回类型

Tuple

train_step(data, optim_wrapper=None)[源代码]

Training step function.

参数
  • data_batch (dict) – Dict of the input data batch.

  • optimizer (dict[torch.optim.Optimizer]) – Dict of optimizers for the generator and discriminator.

  • ddp_reducer (Reducer | None, optional) – Reducer from ddp. It is used to prepare for backward() in ddp. Defaults to None.

  • running_status (dict | None, optional) – Contains necessary basic information for training, e.g., iteration number. Defaults to None.

返回

Dict of loss, information for logger, the number of samples and results for visualization.

返回类型

dict

test_step(data: dict) mmedit.utils.typing.SampleList[源代码]

Gets the generated image of given data. Same as val_step().

参数

data (dict) – Data sampled from metric specific sampler. More detials in Metrics and Evaluator.

返回

Generated image or image dict.

返回类型

List[EditDataSample]

val_step(data: dict) mmedit.utils.typing.SampleList[源代码]

Gets the generated image of given data. Same as val_step().

参数

data (dict) – Data sampled from metric specific sampler. More detials in Metrics and Evaluator.

返回

Generated image or image dict.

返回类型

List[EditDataSample]

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