Patent ID: 9639161
Date: 2017-05-02
CPC Classifications: G06F

Claim:
1. A gesture recognition module for recognizing a gesture performed by a specific quantity of fingers of a hand of a user, the gesture recognition module comprising: an image capturing unit, for sequentially capturing a first pixel group comprising the specific quantity of first pixel values, a second pixel group comprising the specific quantity of second pixel values, a third pixel group comprising third pixel values and a fourth pixel group comprising fourth pixel values at different time instants when the hand performs a first gesture, wherein each pixel value of the first, second, third and fourth pixel values corresponds to one image of each finger; a computing unit, coupled to the image capturing unit, for obtaining a first difference group comprising the specific quantity of first pixel differences between the first pixel values and the second pixel values and a second difference group comprising the specific quantity of second pixel differences between the third pixel values and the fourth pixel values, and determining a first minimum surrounding shape and a second minimum surrounding shape, wherein the first minimum surrounding shape forms as a first shape surrounding all the first pixel differences in a minimum manner, the second minimum surrounding shape forms as a second shape surrounding all the second pixel difference in a minimum manner, and the first shape and the second shape are the same type of shape or methods for generating the first minimum surrounding shape and the second minimum surrounding shape are the same; and a determining unit, coupled to the computing unit, for determining the first gesture according to an area relation between the first minimum surrounding shape and the second minimum surrounding shape.