15 lines
602 B
Python
15 lines
602 B
Python
import numpy as np
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import skimage.color
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from PIL import Image
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import imageio.core.util
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imageio.core.util._precision_warn = lambda *args, **kwargs: None
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def color_enhance(arr, strength: float = 1) -> Image.Image:
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lch = skimage.color.lab2lch(lab=skimage.color.rgb2lab(rgb=np.array(arr, dtype=np.uint8)))
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lch[:, :, 1] *= 100/(lerp(100, lch[:, :, 1].max(), strength)) # Normalize chroma component
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return Image.fromarray(np.array(skimage.color.lab2rgb(lab=skimage.color.lch2lab(lch=lch)) * 255, dtype=np.uint8))
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def lerp(a: float, b: float, t: float) -> float:
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return (1 - t) * a + t * b
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