Patent ID: 8837775

Claim:
An apparatus for recognizing a gesture, the apparatus being a computer that executes a stored program, comprising: a time series information acquisition unit as a function realized by the computer, configured to acquire time series information related to a position or a size of a specific part of a user's body; an operation segment detection unit as a function realized by the computer, configured to detect a movement direction of the specific part from the time series information, and to detect a plurality of operation segments each segmented by two of a start point, a turning point and an end point of the movement direction in time series order; a recognition unit as a function realized by the computer, configured to specify a first operation segment to be recognized, a second operation segment following the first operation segment, and a third operation segment preceding the first operation segment among the plurality of operation segments, and to recognize a motion of the specific part in the first operation segment by using a first feature extracted from the time series information of the first operation segment, a second feature extracted from the time series information of the second operation segment, and a third feature extracted from the time series information of the third operation segment; and a display control unit as a function realized by the computer, configured to display a shape of an object controlled by a forward operation; wherein, when the first feature is larger than the second feature and the third feature, the recognition unit recognizes the motion of the specific part as the forward operation, and the display control unit changes the shape of the object based on a comparison result of each quantity of the first feature and the second feature, and a comparison result of each quantity of the first feature and the third feature.