making photograms with curves & threshold

making digital photograms using curves & threshold tool:

1. Open Photoshop

2. Open your image by going to the File menu and selecting Open.

3. Choose File and click Open

4. Make sure the Layers Palette is visible, if not go to Window - > Layers

5. Copy your background using the keyboard shortcut CNTRL + J (Command J)

6. Click on the "Create new fill or adjustment layer", choose "Threshold"

7. Use the shortcut CNTRL + E (Command E) to merge down the Threshold layer into the Background Copy Layer

8. Make another copy of your background (CNTRL + J or Command J)

9. Click on the "Create new fill or adjustment layer", choose "Curves"

10. Adjust the points on the histogram

11. Merge Down the Curves layer into the Background Layer below it.

12. On the Top Layer, draw out Marquee Shapes (Oval or Rectangle)

13. Click Delete on the keyboard to remove parts of the top layer.