INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

According to an embodiment of the present disclosure, there is provided an information processing device including a data acquisition unit configured to acquire sensor data indicating the direction of gravity exerted on an imaging device configured to image an image in which a physical space is projected, a decision unit configured to decide a relative attitude of a plane in the physical space with respect to the image based on the sensor data, and a conversion unit configured to perform conversion between a three-dimensional position of a given point on the plane and a two-dimensional position in the corresponding image using the attitude decided by the decision unit.