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Améliorez le contraste de l'image à l'aide de l'égalisation d'histogramme standard ou CLAHE (Contrast Limited Adaptive Histogram Equalization). CLAHE travaille sur des tuiles locales pour de meilleurs résultats sur des images inégalement éclairées.
Améliorez le contraste local et global avec l'égalisation d'histogramme ou CLAHE pour les photos, les numérisations et les entrées CV à faible contraste.
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Histogram equalization redistributes pixel intensities so the histogram spans the full range (0–255). This improves contrast, especially in images that are too dark or too bright.
CLAHE (Contrast Limited Adaptive Histogram Equalization) applies equalization locally on tiles rather than globally. It prevents over-amplification of noise by clipping the histogram, producing more natural-looking results.
Use standard equalization for uniformly lit images. Use CLAHE for images with uneven lighting, shadows, or when you want to preserve local detail without over-boosting contrast.