This post is about image stitching methods used to make a
panoramic image. Panoramic images have become important in the
digital age. Initially, panoramic images were developed to
increase the field of view on the photograph. In the digital
age, because one cannot print out pictures with resolutions less
than 200 dots per inch (explained here), the method to take
print outs for posters is to take a number of photographs with
at least 15% overlap and stitch them together later using some
software. In order to take the individual pictures that make a
panoramic picture, the best technique involves using a tripod so
that the camera lens only moves on a sphere eliminating parallax
error. In addition, the aperture and shutter speed should not
vary between the various pictures. More tips on the techniques
of panoramic pictures can be found all over Google or by sending
an email to me. This post is more about the science behind
stitching the images of a panoramic picture. The idea of image
stitching is to take multip