In this Photoshop tutorial i will show you the procedure of  Image Effects Using Channel – Windows Effect.

step 1 :

First we have to open desire image.

Step 2 :

Now go to Channel Palette and Create New Channel. Fill the channel with white color

Step 3:

Filter > Noise > Add Noise (Guassian, Monochromatic, Amount : 25)

Step 4:

Filter > Sketch > Halftone Pattern (Size: 4, Contrast:0, Pattern Type: line)

step 5:

Go to Layer Palette. Create New Layer.

Step 6:

Then Select > Load Selection (Alpha 1)

Step 7:

Fill the selection with white color using Alt + Del.

Step 8:

Or you can fill the Black color instead of White to get the effect of shadow of window on the face.

Credit:  insidegraphics