We are going to look at the technique to adding back a noise in your image in Adobe Photoshop. Most of the time this is just a static choice but you want to add in a little bit of noise but it can actually be useful if you are trying to match a look of multiple images like when you are publishing a book or add campaign where images came from different sources in different time and different films and from different cameras and you are trying to get them all to look the same so you wanna add noise or grain to them.
How to use Grain filter in Adobe Photoshop
Here you can learn how to use Grain filter with the help of Noise options in Adobe Photoshop and you can do it with non destructively. Select your image in Adobe Photoshop and then right click on the background layer and convert it to a smart object. You also make a duplicate of it with a shortcut keys CTRL +j and turn off the top layer and then the bottom layer selected. In fact, let’s rename this with a unique name like ‘ add Grain ‘.
Naming background layers
Alright now starting with the layer name ‘ add Grain ‘ and then Go to toolbar > Filter menu > chose Noise and then add noise. Depend on how much noise you want to add we can go ahead and increase this amount. Here you can see a preview right here.
This is a Preview at 100% so even you are not looking your image at back in 100% you still have in preview look and if you add Burn with your Marquee square then it will show the area that will be in this Preview.
Types of Grains in Adobe Photoshop
There are two types of Grain in Adobe Photoshop. Use the keyboard shortcut Ctrl + plus key or you can use the space bar to temporary access the hand tool in order to scroll down in your image. There are two different kinds of grain
- Uniform Grain
- Gaussian Grain
and when you click down the uniform option you can see that the Grain panel will a little bit more structural and much variant in between the Grain. If you click on Gaussian it will show little bit organic but more contrast and they really look like a random not as uniform obviously.
Here you check the icon check form of Monochromatic and when it turns off you get lots of noise in your image and it is not a good way of matching noise between two images. Now let’s click OK and you have done with the Grain filter.