检查左右手在数组中的index

def checkHandsIndex(self, handedness): # 判断手的数量 if len(handedness) == 1: if handedness[0].classification[0].label == 'Right': handedness_list = [None, 0] else: handedness_list = [0, None] else: if handedness[0].classification[0].label == 'Right': handedness_list = [1, 0] else: handedness_list = [0, 1] return handedness_list

计算两点点的距离

def getDistance(self, pointA, pointB): # math.dist为计算两点距离的函数，得到食指和拇指的距离 return math.dist(pointA, pointB)

获取手指在图像中的坐标

def getFingerXY(self, index): return (self.landmark_list[index].x, self.landmark_list[index].y