Where to find gaussian blur in photoshop

In image processing, a Gaussian blur also known as Gaussian smoothing is the result of blurring an image by a Gaussian function named after mathematician and scientist Carl Friedrich Gauss. It is a widely used effect in graphics software, typically to reduce image noise and reduce detail.

A blur can be reversed if the method of the blur can be determined and if the blur is simple enough. Because then you sort of run the blur in reverse to sharpen it again. One thing that can stop this is if the blur is not uniform. You can preview portions of your photograph by clicking and dragging the image inside the preview window. Click OK to apply. See examples below of gaussian blur applied at a 1. Gaussian Blur at 1.

Gaussian Blur at 3. The Radius option specifies the size of the area sampled for the blur. The Threshold option controls how much the tonal values of neighboring pixels must diverge from the center pixel value before becoming a part of the blur. Pixels with tonal value differences less than the Threshold value are excluded from the blur. Legal Notices Online Privacy Policy.

Blur filters Search. Photoshop Elements User Guide. Select an article: Select an article:. Applies to: Photoshop Elements. Blur and Blur More. Blur More. Produces an effect several times stronger than that of the Blur filter.

This way, you can always go back to the original image if something goes wrong. Select the background layer on the layers panel and right-click on it. Select Duplicate Layer. Alternatively, you can convert the layer to a smart object. It does not matter whether you re-shape them or apply smart filters to them. Smart objects safely hold the contents of the layer. From this point, any adjustment you make to the background will appear under the layer on the layers panel.

You can use any Photoshop selection tool to do this. In this case, we will make a path first. The Pen Tool is perfect for this example because the bottle of wine has a smooth and rounded shape.

Create a path around the object you want to blur.