Geometric Transformations and Image Registration

Interpolation of an image is often required to change its size and in operations such as rotation. The interpolation of images is described first. Next, geometric transformations such as translation, scaling, rotation and shearing are presented. Correlation operation is a similarity measure between two images. It can detect and locate the position of an object in an image, if present. The registration of images of the same scene, taken at different times and conditions, is also presented.