data_conversion_2.py 文件源码

def LBP(train_image,radius, no_points):
    im = cv2.imread(train_image)
    im_gray = cv2.cvtColor(im, cv2.COLOR_BGR2GRAY)
    lbp = local_binary_pattern(im_gray, no_points, radius, method='default')
    (hist, _) = np.histogram(lbp[0:63][0:63].ravel(), bins=np.arange(0,(no_points*(no_points-1)+4)))
    hist = hist.astype("float")
    hist /= (hist.sum() + eps)
    #print hist.sum()
    #print lbp
    return hist