The word morph comes from the Greek term “metamorphosis”, which means to transform. Today it is most commonly used to describe the animation techniques that allow animators to transform one form into another. Morphing refers to the gentle transformation of images on the screen. For example, a rabbit can be transformed into a dragon or simulations of machines can be rendered fluidly. It can also be used to merge two or more images into a new image.
Morphing is essentially used to add special effects to movies and animations. It is also commonly used in games and interactive user interface design.
Morphing is usually done by coupling image warping with color interpolation. The transition from a source image to the target image is seamless and the transition appears smooth during viewing. Morphing techniques are usually divided into two types, depending on how the features are specified in the images: