Panoramic image synthesizer, panoramic image synthesis method, and program

摘要

A panoramic image synthesizer includes an image capture unit capturing a plurality of original images that are images taken adjacent to each other having an overlap region and become a part of a panoramic image; a rough synthesis processor extracting a rough process region subjected to processing respectively from two adjacent processed images that are converted to have lower resolution than the original images and calculating a transfer vector between the rough process regions using phase only correlation; an overlap region extraction processor, in a case of further performing precise synthesis, extracting the overlap region between the adjacent images based on the transfer vector; and a precise synthesis processor extracting precise process regions subjected to processing from inside the overlap region of the two processed images and calculating a transfer vector between the precise process regions.