Line-of-sight direction calibration device, line-of-sight direction calibration method, and line-of-sight direction calibration program

摘要

Included are: a calibration information acquiring unit for acquiring three-dimensional coordinates for at least one gaze target for calibration, the three-dimensional coordinates indicating a position of each gaze target for calibration; a sample acquiring unit for acquiring multiple samples indicating a line-of-sight direction of a user; a calibration model generating unit for generating multiple calibration models indicating three-dimensional coordinates that are candidates for a position of the user on the basis of the three-dimensional coordinates indicating a position of each of the gaze targets for calibration and the samples indicating the line-of-sight direction of the user gazing at each of the gaze targets for calibration; and a calibration parameter calculating unit for calculating calibration parameters on the basis of the generated calibration models.