Making Every Pixel Count

Multiplicative ContrastEnhancement• The “multiply” blending mode combines two colors. Theresulting color (the blended version) will always bedarker than the top layer.– If the base color is white- no change in color occurs.• Thus if the bottom layer is brightened using curves andtop layer is slightly transparent, very bright portions ofan image remain the same color and brighten a bit whilethe dark portions do not brighten very quickly.– This is a form of contrast enhancement and it is similar inbehavior to the “soft light” blending mode.1. Make a duplicate of the image.2. Use the Multiply blending mode3. Brighten the bottom layer using curves.4. Change the Opacity of the top layer.