After images of my head were taken with a digital camera (one in profile view and one in front view) they needed to be lined up in order for them to be useful as reference images when creating the 3D model. The problem with this stage is that there was a slight difference in the lining up between the profile view and the straight on view as well as lens distortion from the digital camera. The solution for this problem was to load the images into Adobe Photoshop CS4 and use the lens correction tool to remove the lens distortion and rotate the images so they lined up correctly. Then using the ruler tool in Photoshop key points on the face such as eyes, nose, and mouth were checked to make sure they were in line with each other in both photos. I was unable to line up the ears in both photos as well as the other key features, so I decided to ignore them as the ears would be modelled separately from the rest of the head and therefore it would not create a major problem.
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