1. An image composition method, comprising: receiving a plurality of images corresponding to a scene; selecting a plurality of key images from the plurality of images according to a first image characteristic; selecting at least two portions from the plurality of key images according to a second image characteristic, each of the at least two portions corresponds to different regions of the scene; generating a composite image corresponding to the scene by combining the at least two portions; and providing the composite image and at least two of the key images from which the at least two portions are selected on a user interface of an electronic device.