dip.py 文件源码

def lipSegment(self, img):
        # self.t1 = cv2.getTickCount()
        lipHull = self.dlib_obj.get_landmarks(img)
        cv2.drawContours(img, lipHull, -1, (255, 0, 0), 2)
        (x, y), (MA, ma), angle = cv2.fitEllipse(lipHull)
        a = ma/2
        b = MA/2

        eccentricity = sqrt(pow(a, 2)-pow(b, 2))
        eccentricity = round(eccentricity/a, 2)

        cv2.putText(img, 'E = '+str(round(eccentricity, 3)), (10, 350),
                    self.font, 1, (255, 0, 0), 1)

        if(eccentricity < 0.9):
            self.flags.cmd = 'b'
        else:
            self.flags.cmd = 'f'

        if angle < 80:
            self.flags.cmd = 'l'
        elif angle > 100:
            self.flags.cmd = 'r'

        cv2.putText(img, 'Cmd = ' + self.flags.cmd, (10, 300),  self.font,  1,
                    (0, 0, 255), 1, 16)
        # self.t2 = cv2.getTickCount()
        # print "Time = ", (self.t2-self.t1)/cv2.getTickFrequency()
        return img