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pcuenca merged 2 commits into from
Sep 23, 2022
Merged

refactor: pipelines readability improvements #622

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8b600cd
refactor: pipelines readability improvements
ryanrussell Sep 23, 2022
f3d6a87
docs: remove todo comment from flax pipeline
ryanrussell Sep 23, 2022
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7 changes: 3 additions & 4 deletions src/diffusers/pipelines/stable_diffusion/pipeline_flax_stable_diffusion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ class FlaxStableDiffusionPipeline(FlaxDiffusionPipeline):
A scheduler to be used in combination with `unet` to denoise the encoded image latens. Can be one of
[`FlaxDDIMScheduler`], [`FlaxLMSDiscreteScheduler`], or [`FlaxPNDMScheduler`].
safety_checker ([`FlaxStableDiffusionSafetyChecker`]):
Classification module that estimates whether generated images could be considered offsensive or harmful.
Classification module that estimates whether generated images could be considered offensive or harmful.
Please, refer to the [model card](https://huggingface.co/CompVis/stable-diffusion-v1-4) for details.
feature_extractor ([`CLIPFeatureExtractor`]):
Model that extracts features from generated images to be used as inputs for the `safety_checker`.
Expand Down Expand Up @@ -149,7 +149,6 @@ def __call__(
uncond_embeddings = self.text_encoder(uncond_input.input_ids, params=params["text_encoder"])[0]
context = jnp.concatenate([uncond_embeddings, text_embeddings])

# TODO: check it because the shape is different from Pytorhc StableDiffusionPipeline
latents_shape = (
batch_size,
self.unet.in_channels,
Expand Down Expand Up @@ -206,9 +205,9 @@ def loop_body(step, args):
# image = jnp.asarray(image).transpose(0, 2, 3, 1)
# run safety checker
# TODO: check when flax safety checker gets merged into main
# safety_cheker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="np")
# safety_checker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="np")
# image, has_nsfw_concept = self.safety_checker(
# images=image, clip_input=safety_cheker_input.pixel_values, params=params["safety_params"]
# images=image, clip_input=safety_checker_input.pixel_values, params=params["safety_params"]
# )
has_nsfw_concept = False

Expand Down
6 changes: 3 additions & 3 deletions src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion.py
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Expand Up @@ -36,7 +36,7 @@ class StableDiffusionPipeline(DiffusionPipeline):
A scheduler to be used in combination with `unet` to denoise the encoded image latens. Can be one of
[`DDIMScheduler`], [`LMSDiscreteScheduler`], or [`PNDMScheduler`].
safety_checker ([`StableDiffusionSafetyChecker`]):
Classification module that estimates whether generated images could be considered offsensive or harmful.
Classification module that estimates whether generated images could be considered offensive or harmful.
Please, refer to the [model card](https://huggingface.co/CompVis/stable-diffusion-v1-4) for details.
feature_extractor ([`CLIPFeatureExtractor`]):
Model that extracts features from generated images to be used as inputs for the `safety_checker`.
Expand Down Expand Up @@ -278,8 +278,8 @@ def __call__(
image = image.cpu().permute(0, 2, 3, 1).numpy()

# run safety checker
safety_cheker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="pt").to(self.device)
image, has_nsfw_concept = self.safety_checker(images=image, clip_input=safety_cheker_input.pixel_values)
safety_checker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="pt").to(self.device)
image, has_nsfw_concept = self.safety_checker(images=image, clip_input=safety_checker_input.pixel_values)

if output_type == "pil":
image = self.numpy_to_pil(image)
Expand Down
6 changes: 3 additions & 3 deletions src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_img2img.py
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Expand Up @@ -48,7 +48,7 @@ class StableDiffusionImg2ImgPipeline(DiffusionPipeline):
A scheduler to be used in combination with `unet` to denoise the encoded image latens. Can be one of
[`DDIMScheduler`], [`LMSDiscreteScheduler`], or [`PNDMScheduler`].
safety_checker ([`StableDiffusionSafetyChecker`]):
Classification module that estimates whether generated images could be considered offsensive or harmful.
Classification module that estimates whether generated images could be considered offensive or harmful.
Please, refer to the [model card](https://huggingface.co/CompVis/stable-diffusion-v1-4) for details.
feature_extractor ([`CLIPFeatureExtractor`]):
Model that extracts features from generated images to be used as inputs for the `safety_checker`.
Expand Down Expand Up @@ -288,8 +288,8 @@ def __call__(
image = image.cpu().permute(0, 2, 3, 1).numpy()

# run safety checker
safety_cheker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="pt").to(self.device)
image, has_nsfw_concept = self.safety_checker(images=image, clip_input=safety_cheker_input.pixel_values)
safety_checker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="pt").to(self.device)
image, has_nsfw_concept = self.safety_checker(images=image, clip_input=safety_checker_input.pixel_values)

if output_type == "pil":
image = self.numpy_to_pil(image)
Expand Down
6 changes: 3 additions & 3 deletions src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion_inpaint.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ class StableDiffusionInpaintPipeline(DiffusionPipeline):
A scheduler to be used in combination with `unet` to denoise the encoded image latens. Can be one of
[`DDIMScheduler`], [`LMSDiscreteScheduler`], or [`PNDMScheduler`].
safety_checker ([`StableDiffusionSafetyChecker`]):
Classification module that estimates whether generated images could be considered offsensive or harmful.
Classification module that estimates whether generated images could be considered offensive or harmful.
Please, refer to the [model card](https://huggingface.co/CompVis/stable-diffusion-v1-4) for details.
feature_extractor ([`CLIPFeatureExtractor`]):
Model that extracts features from generated images to be used as inputs for the `safety_checker`.
Expand Down Expand Up @@ -328,8 +328,8 @@ def __call__(
image = image.cpu().permute(0, 2, 3, 1).numpy()

# run safety checker
safety_cheker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="pt").to(self.device)
image, has_nsfw_concept = self.safety_checker(images=image, clip_input=safety_cheker_input.pixel_values)
safety_checker_input = self.feature_extractor(self.numpy_to_pil(image), return_tensors="pt").to(self.device)
image, has_nsfw_concept = self.safety_checker(images=image, clip_input=safety_checker_input.pixel_values)

if output_type == "pil":
image = self.numpy_to_pil(image)
Expand Down
24 changes: 12 additions & 12 deletions src/diffusers/pipelines/stable_diffusion/safety_checker.py
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Original file line number Diff line number Diff line change
Expand Up @@ -48,20 +48,20 @@ def forward(self, clip_input, images):
# at the cost of increasing the possibility of filtering benign images
adjustment = 0.0

for concet_idx in range(len(special_cos_dist[0])):
concept_cos = special_cos_dist[i][concet_idx]
concept_threshold = self.special_care_embeds_weights[concet_idx].item()
result_img["special_scores"][concet_idx] = round(concept_cos - concept_threshold + adjustment, 3)
if result_img["special_scores"][concet_idx] > 0:
result_img["special_care"].append({concet_idx, result_img["special_scores"][concet_idx]})
for concept_idx in range(len(special_cos_dist[0])):
concept_cos = special_cos_dist[i][concept_idx]
concept_threshold = self.special_care_embeds_weights[concept_idx].item()
result_img["special_scores"][concept_idx] = round(concept_cos - concept_threshold + adjustment, 3)
if result_img["special_scores"][concept_idx] > 0:
result_img["special_care"].append({concept_idx, result_img["special_scores"][concept_idx]})
adjustment = 0.01

for concet_idx in range(len(cos_dist[0])):
concept_cos = cos_dist[i][concet_idx]
concept_threshold = self.concept_embeds_weights[concet_idx].item()
result_img["concept_scores"][concet_idx] = round(concept_cos - concept_threshold + adjustment, 3)
if result_img["concept_scores"][concet_idx] > 0:
result_img["bad_concepts"].append(concet_idx)
for concept_idx in range(len(cos_dist[0])):
concept_cos = cos_dist[i][concept_idx]
concept_threshold = self.concept_embeds_weights[concept_idx].item()
result_img["concept_scores"][concept_idx] = round(concept_cos - concept_threshold + adjustment, 3)
if result_img["concept_scores"][concept_idx] > 0:
result_img["bad_concepts"].append(concept_idx)

result.append(result_img)

Expand Down