Falafel Vision Processing.py 文件源码

def sizeFiltering(contours):
    """
    this function filters out the smaller retroreflector (as well as any noise) by size
    """

    if len(contours) == 0:
        print "sizeFiltering: Error, no contours found"
        return 0

    big = contours[0]

    for c in contours:
        if type(c) and type(big) == numpy.ndarray:
            if cv2.contourArea(c) > cv2.contourArea(big):
                big = c
        else:
            print type(c) and type(big)
            return 0
    x,y,w,h = cv2.boundingRect(big)
    return big