How to extract the personal signature from the photo into the computer?

1. First, save the photographed signature on the computer.

2. Then open the signed picture with Photoshop.

3. After 3.Photoshop opens the picture, click to enter the channel mode.

4. After entering the channel mode, click the red channel to copy the red channel.

5. After copying the red channel, press the shortcut key Ctrl+L to bring up the color code interface.

6. Adjust the color scale of the picture to make the white one whiter and the black one darker, then select the copied red channel and load it into the selection, and then Ctrl+Shift+I will reverse the selection.

7. After deselecting, select RGB layer and return to the layer interface.

8. After returning to the layer, press the shortcut key CTRl+J to copy the signature separately.

9. Finally, select the signature layer copied separately, and export the PNG format quickly with the right mouse button.

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Comments of first-year students

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