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How to use float in this case my script is using float

    image = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
    features = []

    # grab the dimensions and compute the center of the image
    (h, w) = image.shape[:2]
    (cX, cY) = (int(w * 0.5), int(h * 0.5))

    # divide the image into four rectangles/segments (top-left,
    # top-right, bottom-right, bottom-left)
    segments = [(0, cX, 0, cY), (cX, w, 0, cY), (cX, w, cY, h),
        (0, cX, cY, h)]

    # construct an elliptical mask representing the center of the
    # image
    (axesX, axesY) = (int(w * 0.75) / 2, int(h * 0.75) / 2)
    ellipMask = np.zeros(image.shape[:2], dtype = "uint8")
    cv2.ellipse(ellipMask, (cX, cY), (axesX, axesY), 0, 0, 360, 255, -1)