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The crop tool in PhotoShop has an additional option that allows you to transform the perspective in an image. This is very useful when working with images that contain keystone distortion. Keystone distortion occurs when an object is photographed from an angle rather than from a straight-on view. For example, if you take a picture of a tall building from ground level, the edges of the building appear closer at the top than they do at the bottom.

Changing perspective in PhotoShop

Changing perspective in PhotoShop

To transform the perspective in an image:

  1. Select the crop tool  and set the crop mode.
  2. Drag the cropping marquee around an object that was rectangular in the original scene (although it doesn’t appear rectangular in the image). You’ll use the edges of this object to define the perspective in the image. The marquee doesn’t have to be precise–you’ll adjust it later.

Note: You must select an object that was rectangular in the original scene or PhotoShop will not be able to transform the perspective in the image.

  1. Select Perspective in the options bar, and set the other options as desired.
  2. Move the corner handles of the cropping marquee to match the object’s edges. This defines the perspective in the image, so it is important to precisely match the object’s edges.
  3. Drag the side handles to extend the cropping bounds while preserving the perspective.

Press Enter (Windows) or Return (Mac OS); click the Commit button in the options bar; or double-click inside the cropping marquee.

I hope you manged to get it done right!! more PhotoShop tricks coming soon…keep watching this blog!

– Millie

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