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7. The Menus / 7.7 The Filter Menu

### 7.7.37 Digital Camera/Rectify

Rectify removes the perspective distortion in digital images. Often perspective distortion happens, if a picture of a large building is taken standing on the ground. The building will look like it was falling down.

In order to correct this distortion you have to define 4 edges, that should be straight in the resulting image.