The process of changing face and shrinking is as follows:
1, first select two photos and open them in PS.
2. Use the cutting tool to cut out the head, and use the moving tool to move the cut head to the head of another picture.
3. At this time, the avatar may be very big, so it needs to be reduced. Just press and hold the keyboard "Ctrl+t" to transform freely and press and hold the shift key to reduce the image proportionally, so that the image will not be deformed and will be reduced to the same size as the background avatar.
4. Turn down the transparency of the layer to make it possible to see the background head portrait, move the head portrait into the background head portrait to make its face match the background face, and if the face position is wrong, you can freely transform it to make the head portrait rotate properly to achieve the best effect. Select the eraser tool in the toolbar on the left, select the eraser with the pressure opacity of the soft-edged circle, set the eraser to an appropriate pixel size, and set the hardness to 0 to erase the face of the person.
5. select image > adjustment > channel mixer in the menu bar to adjust the avatar coloring. You have to adjust one by one, and it is impossible to succeed at one time. Click "OK" after adjustment. Select filter > noise > add noise in the menu bar, and adjust the appropriate value to make its advantages noise, similar to the background oil painting picture.