Patent ID: 9524425
Filing Date: 2016-12-20
CPC Classification: G06F,G06K

Claim Text:
1. A gesture recognition device configured to recognize a gesture of a hand from a captured image of a user, comprising: a fingertip candidate detector that detects a fingertip candidate from the image; a finger detector that detects a skin area as a finger, the skin area extending by a predetermined length in a certain direction from the fingertip candidate detected by the fingertip candidate detector; and a gesture type specifying unit that specifies a type of the gesture based on the number of fingers detected by the finger detector, wherein the finger detector specifies a first reference width of the skin area in the direction orthogonal to the certain direction in the center of gravity of the fingertip candidate detected by the fingertip candidate detector, and wherein the finger detector determines that the skin area extends in the certain direction when a difference value between a width of the skin area in the orthogonal direction and the first reference width is less than or equal to a predetermined value.