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표준 히스토그램 균등화 또는 CLAHE(Contrast Limited Adaptive Histogram Equalization)를 사용하여 이미지 대비를 향상시킵니다. CLAHE는 조명이 고르지 않은 이미지에서 더 나은 결과를 얻기 위해 로컬 타일에서 작동합니다.
저대비 사진, 스캔 및 CV 입력을 위한 히스토그램 균등화 또는 CLAHE를 통해 로컬 및 전역 대비를 향상시킵니다.
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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.