import?cv2
import?numpy?as?np
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灰度圖方框濾波器
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def?BoxFilter（imagekernalsize）:
????assert?size%2==1“size?value?is?not?right“
????rowscols=image.shape
????for?i?in?range（rows）:
????????for?j?in?range（cols）:
????????????sumcntr=0.00int（size/2）
????????????for?ii?in?range（0size）:
????????????????for?jj?in?range（0size）:
????????????????????if?i+ii-r>=0?and?i+ii-r=0?and?j+jj????????????????????????cnt+=1
????????????????????????sum+=image[i+ii