image_utils.py 文件源码

def im_normalize(im, lo=0, hi=255, dtype='uint8'):
    return cv2.normalize(im, alpha=lo, beta=hi, norm_type=cv2.NORM_MINMAX, dtype={'uint8': cv2.CV_8U, \
                                                                                  'float32': cv2.CV_32F, \
                                                                                  'float64': cv2.CV_64F}[dtype])