Patent ID: 8884985
Filing Date: 2014-11-11
Classification: G06F,G06K,G09G,H04N

Abstract:
1. An interface apparatus for displaying a GUI object according to a position and a direction of a pointing object having an arc shape, comprising: a display unit configured to display a movie based on a first image frame group; an image capturing unit configured to obtain a second image frame group by capturing an image of a surface on which the movie is displayed; a detection unit configured to detect a position and a direction of the pointing object based on the arc shape of the pointing object, the first image frame group, and the second image frame group; and an additional display unit configured to display a specific shape which is superimposed to the first image frame group, so that the detected position of the pointing object is irradiated with light of no less than a predetermined illuminance and the light attenuates according to a distance from the position, wherein the detection unit is configured to detect a position and a direction of the pointing object by using inner product values of gradient vectors at respective pixels of a template.