How to quickly establish Bai Mo and glazing channels in ps?

The skills of quickly establishing Bai Mo and glazing channel in ps are as follows:

1. Open the prepared picture, and select the background layer right click > Copy layer;

2. Click OK to get the background copy layer;

3. Select the background copy layer and click Filter >; Stylization > find the edge;

4. Click on the picture >; Adjust > threshold;

5. Adjust the pattern edge by adjusting the threshold, and click OK after adjustment;

6. Select the magic wand on the left side of the toolbar and select all the black colors of the pattern;

7. Click "Channel", and then click the button on the right to select "New Spot Color Channel";

8. The color is white, and the density is 100. Click OK;

7. Switch to the layer again, select the background copy layer, and click the Delete button;

8, complete, the final effect is as follows.