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Improve img2img color correction by performing a luminosity blend #5644

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merged 4 commits into from
Dec 24, 2022
Merged

Improve img2img color correction by performing a luminosity blend #5644

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00ca6a6
Add files via upload
ThereforeGames Dec 11, 2022
2e8b541
Improve color correction with luminosity blend
ThereforeGames Dec 11, 2022
9170224
Delete venv/Lib/site-packages directory
ThereforeGames Dec 11, 2022
9bcf416
Update requirements.txt
ThereforeGames Dec 11, 2022
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9 changes: 6 additions & 3 deletions modules/processing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
from ldm.models.diffusion.ddpm import LatentDepth2ImageDiffusion

from einops import repeat, rearrange
from blendmodes.blend import blendLayers, BlendType

# some of those options should not be changed at all because they would break the model, so I removed them from options.
opt_C = 4
Expand All @@ -39,17 +40,19 @@ def setup_color_correction(image):
return correction_target


def apply_color_correction(correction, image):
def apply_color_correction(correction, original_image):
logging.info("Applying color correction.")
image = Image.fromarray(cv2.cvtColor(exposure.match_histograms(
cv2.cvtColor(
np.asarray(image),
np.asarray(original_image),
cv2.COLOR_RGB2LAB
),
correction,
channel_axis=2
), cv2.COLOR_LAB2RGB).astype("uint8"))


image = blendLayers(image, original_image, BlendType.LUMINOSITY)

return image


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2 changes: 2 additions & 0 deletions requirements.txt
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@@ -1,3 +1,5 @@
aenum
blendmodes
accelerate
basicsr
fairscale==0.4.4
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