// An highlighted block
Mat img = imread("E:/Data_image/螺丝-线1/wire.bmp", 3);
hsv 颜色范围
//黑 Scalar black_scalarL = Scalar(0, 0, 0); Scalar black_scalarH = Scalar(180, 255, 60); //黄 Scalar yellow_scalarL = Scalar(11, 43, 46); Scalar yellow_scalarH = Scalar(34, 255, 255); //红 Scalar red_scalarL_1 = Scalar(0, 43, 46); Scalar red_scalarH_1 = Scalar(8, 255, 255); //蓝 Scalar blue_scalarL = Scalar(100, 150, 46); Scalar blue_scalarH = Scalar(124, 255, 255);通过inrange函数找到对应颜色范围的mask区域
//黑 inRange(imghsv, black_scalarL, black_scalarH, black_mask); //红 inRange(imghsv, red_scalarL_1, red_scalarH_1, red_mask); //蓝 inRange(imghsv, blue_scalarL, blue_scalarH, blue_mask); //黄 inRange(imghsv, yellow_scalarL, yellow_scalarH, yellow_mask);



