halcon测试一张图片是否过曝或过暗

read_image (Image, '1.bmp')
count_obj (Image, Number)
if(Number<=0)
    return()
endif
min_max_gray (Image, Image, 0, Min, Max, Range)
if(Min<1)
    *图像过暗
endif
if(Max>254)
    *图像过曝
endif