Patent ID: 9317744
Filing Date: 2016-04-19
CPC Classification: G06F,G06K,G06T

Claim Text:
1. A device for determining a gesture, comprising: a light emitting unit configured to emit a light beam; an image sensing device configured to capture an image of a hand reflecting the light beam; and a processing circuit, electrically connected to the image sensing device, configured to obtain the image and determine a gesture of the hand by performing an operation on the image; wherein the operation comprises steps of: selecting pixels in the image having a brightness greater than or equal to a brightness threshold, wherein the image of the hand is composed by a plurality of areas different in brightness due to these areas have different distances relative to the light emitting unit; dividing the selected pixels into a number of group of divided pixels; and determining the gesture of the hand according to the number of group of divided pixels.