The present invention relates to an image alignment apparatus and to a method thereof. According to an embodiment, the image align apparatus includes: a first transforming function estimating unit which estimates a first transforming function based on feature point information extracted from a first image which is photographed by a first image sensor and a second image which is photographed by a second image sensor; and a second transforming function estimating unit which estimates a second transforming function based on motion information extracted from the first and second images.
