A、cv2.threshold(img,127,255,cv2.THRESH_BINARY) B、cv2.threshold(img,127,250,cv2.THRESH_BINARY) C、cv2.threshold(blur,0,255,cv2.THRESH_BINARY+cv2.THRESH_OTSU) D、cv2.threshold(img,127,255,cv2.THRESH_BINARY)
A. Ⅰ级钢筋,直径8mm,分布间距200mm B. Ⅱ级钢筋,直径8mm,分布间距200mm C. Ⅰ级钢筋,直径200mm,分布间距8mm D. Ⅱ级钢筋,直径200mm,分布间距8mm
A. 上和左 B. 下和右 C. 上和右 D. 下和左
A. √ B. ×
A. 间距 B. 弯钩形状 C. 直径 D. 级别