1. First, adjust all the graphics processing values to 1 or close 2. If it is an unclosed figure, check the unclosed figure below, adjust the threshold value to make the target clear and minimize interference 3. Draw an effective area to minimize external interference and make the target clear 4. Adjust according to the condition of the screen after adjusting the threshold value, white and bright edges, remove inner holes, remove edges, and delete small pieces 5. If the effect is not ideal, adju
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