4) 抓图成功后，点击“预览”按钮，图像上会出现数字（数字是绿色表示，

4) After the picture is successfully captured, click the "Preview" button, a number will appear on the image (the number is green to indicate that you can continue to correct, otherwise you must modify the lower threshold), until the number of crosses displayed is OK, close the continuous, and click "Data "Merge" button, observe the error value (when the absolute value is less than 0.01, the correction is completed), if the absolute value of the error is large, follow the steps 5-6 below, as shown in Figure 2-14.

4) After the successful grasp, click the "preview" button, the number will appear on the image (the number is green, you can continue to correct, otherwise you will have to modify the lower threshold), until the number of crosses display OK, close continuous, click the "data merge" button, observe the error value (absolute value is less than 0.01, correction completed), if the absolute value of the error is large, follow the following steps 5-6 operation, as shown in Figure 2-14.

4) After the capture is successful, click the "Preview" button, and the number will appear on the image (the number is green, it can continue to correct, otherwise, the lower threshold value will be modified). Until the number of cross displayed is OK, close the continuous, click the "data merge" button to observe the error value (when the absolute value is less than 0.01, the correction is completed). If the absolute value of the error is large, follow the steps 5-6 below As shown in Fig. 2-14.