api.py 文件源码

def histogram_equalization(image, tile):
    if (tile < 0):
        tile = 0
    elif (tile > 100):
        tile = 100
    tile = int(tile / 10)
    img_yuv = cv2.cvtColor(image, cv2.COLOR_BGR2YCrCb)
    clahe = cv2.createCLAHE(clipLimit=1.0, tileGridSize=(2 ** tile, 2 ** tile))
    img_yuv[:, :, 0] = clahe.apply(img_yuv[:, :, 0])
    img_out = cv2.cvtColor(img_yuv, cv2.COLOR_YCrCb2BGR)
    img = exposure.rescale_intensity(img_out)
    return img