bug fixes

pull/35/head
Somdev Sangwan 2023-06-19 03:08:12 +05:30 committed by GitHub
parent ef79abd735
commit f8efb7df95
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3 changed files with 16 additions and 98 deletions

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@ -1,57 +1,9 @@
from typing import List, Union, Dict, Set, Tuple
import tempfile
from ifnude import detect
from diffusers.pipelines.stable_diffusion.safety_checker import (
StableDiffusionSafetyChecker,
)
from transformers import AutoFeatureExtractor
import torch
from PIL import Image, ImageFilter
import numpy as np
safety_model_id: str = "CompVis/stable-diffusion-safety-checker"
safety_feature_extractor: AutoFeatureExtractor = None
safety_checker: StableDiffusionSafetyChecker = None
def numpy_to_pil(images: np.ndarray) -> List[Image.Image]:
if images.ndim == 3:
images = images[None, ...]
images = (images * 255).round().astype("uint8")
pil_images = [Image.fromarray(image) for image in images]
return pil_images
def check_image(x_image: np.ndarray) -> Tuple[np.ndarray, List[bool]]:
global safety_feature_extractor, safety_checker
if safety_feature_extractor is None:
safety_feature_extractor = AutoFeatureExtractor.from_pretrained(safety_model_id)
safety_checker = StableDiffusionSafetyChecker.from_pretrained(safety_model_id)
safety_checker_input = safety_feature_extractor(
images=numpy_to_pil(x_image), return_tensors="pt"
)
x_checked_image, hs = safety_checker(
images=x_image, clip_input=safety_checker_input.pixel_values
)
return x_checked_image, hs
def check_batch(x: torch.Tensor) -> torch.Tensor:
x_samples_ddim_numpy = x.cpu().permute(0, 2, 3, 1).numpy()
x_checked_image, _ = check_image(x_samples_ddim_numpy)
x = torch.from_numpy(x_checked_image).permute(0, 3, 1, 2)
return x
def convert_to_sd(img: Image) -> Image:
_, hs = check_image(np.array(img))
if any(hs):
img = (
img.resize((int(img.width * 0.1), int(img.height * 0.1)))
.resize(img.size, Image.BOX)
.filter(ImageFilter.BLUR)
)
return img
def convert_to_sd(img):
shapes = []
chunks = detect(img)
for chunk in chunks:
shapes.append(chunk["score"] > 0.7)
return [any(shapes), tempfile.NamedTemporaryFile(delete=False, suffix=".png")]

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@ -13,7 +13,6 @@ from modules.face_restoration import FaceRestoration
from scripts.roop_logging import logger
from scripts.swapper import UpscaleOptions, swap_face, ImageResult
from scripts.cimage import check_batch
from scripts.roop_version import version_flag
import os
@ -179,8 +178,7 @@ class FaceSwapScript(scripts.Script):
def postprocess_batch(self, p, *args, **kwargs):
if self.enable:
images = kwargs["images"]
images[:] = check_batch(images)[:]
return images
def postprocess_image(self, p, script_pp: scripts.PostprocessImageArgs, *args):
if self.enable and self.swap_in_generated:

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@ -28,40 +28,7 @@ class UpscaleOptions:
face_restorer: FaceRestoration = None
restorer_visibility: float = 0.5
def save_image(img: Image, filename: str):
convert_to_sd(img).save(filename)
def cosine_distance(vector1: np.ndarray, vector2: np.ndarray) -> float:
vec1 = vector1.flatten()
vec2 = vector2.flatten()
dot_product = np.dot(vec1, vec2)
norm1 = np.linalg.norm(vec1)
norm2 = np.linalg.norm(vec2)
cosine_distance = 1 - (dot_product / (norm1 * norm2))
return cosine_distance
def cosine_similarity(test_vec: np.ndarray, source_vecs: List[np.ndarray]) -> float:
cos_dist = sum(cosine_distance(test_vec, source_vec) for source_vec in source_vecs)
average_cos_dist = cos_dist / len(source_vecs)
return average_cos_dist
ANALYSIS_MODEL = None
def getAnalysisModel():
global ANALYSIS_MODEL
if ANALYSIS_MODEL is None:
ANALYSIS_MODEL = insightface.app.FaceAnalysis(
name="buffalo_l", providers=providers
)
return ANALYSIS_MODEL
ANALYSIS_MODEL = insightface.app.FaceAnalysis(name="buffalo_l", providers=providers)
FS_MODEL = None
CURRENT_FS_MODEL_PATH = None
@ -108,7 +75,7 @@ def upscale_image(image: Image, upscale_options: UpscaleOptions):
def get_face_single(img_data: np.ndarray, face_index=0, det_size=(640, 640)):
face_analyser = copy.deepcopy(getAnalysisModel())
face_analyser = copy.deepcopy(ANALYSIS_MODEL)
face_analyser.prepare(ctx_id=0, det_size=det_size)
face = face_analyser.get(img_data)
@ -140,8 +107,10 @@ def swap_face(
faces_index: Set[int] = {0},
upscale_options: Union[UpscaleOptions, None] = None,
) -> ImageResult:
fn = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
if model is not None:
result_image = target_img
converted = convert_to_sd(target_img)
scale, fn = converted[0], converted[1]
if model is not None and not scale:
source_img = cv2.cvtColor(np.array(source_img), cv2.COLOR_RGB2BGR)
target_img = cv2.cvtColor(np.array(target_img), cv2.COLOR_RGB2BGR)
source_face = get_face_single(source_img, face_index=0)
@ -160,8 +129,7 @@ def swap_face(
result_image = Image.fromarray(cv2.cvtColor(result, cv2.COLOR_BGR2RGB))
if upscale_options is not None:
result_image = upscale_image(result_image, upscale_options)
save_image(result_image, fn.name)
else:
logger.info("No source face found")
result_image.save(fn.name)
return ImageResult(path=fn.name)