Image correction data calculation method, image correction data calculation apparatus, and multi-projection system

摘要

An image correction data calculation apparatus of the invention includes a calibration pattern display unit for creating and supplying a calibration pattern, an image display unit for displaying the calibration patterns supplied thereto, an image capturing unit for capturing the calibration patterns displayed on the image display unit, and an arithmetic operation unit for calculating image correction data based on pattern-captured images obtained by capturing the calibration patterns and based on pattern information including information such as the pattern-captured images obtained by capturing the calibration patterns, the coordinates of the calibration patterns, and the like.