def relative_pos_from_pixels(image_work, x_pixels, y_pixels):
    """
    Transform a pixels position to a relative position
    :param image_work: Image where the object is detected
    :param x_pixels: coordinate X
    :param y_pixels: coordinate Y
    :return:
    """
    return float(x_pixels) / image_work.shape[1], float(y_pixels) / image_work.shape[0]