Image stitching and virtual tour solutions. Why you DON’T Need a Tilt-Shift Lens - Page 2. Hugin tutorial — Perspective correction. This tutorial covers a basic use of Hugin — Using both horizontal and vertical control-points to remove all perspective effects from a photograph.
Note: This tutorial is based on the May 2008 beta version of Hugin 0.7, although your version may differ, the underlying principle will remain the same. Here is a picture taken from an awkward angle, it is not possible to photograph the wall straight-on because the room is filled with columns: You can download this photograph (311.jpg) and try following the tutorial yourself. Here is the same picture with the perspective corrected, the technique is accurate enough for high quality surveying of real-world buildings: Start by launching Hugin, use the Assistant - 1.