我正在爲使用Python 3.5.3編寫數據集編寫小腳本。它檢查文件夾中的現有文件,如果有那些已經被處理過的文件,它會找到下一個文件的最大索引。python max函數要求src2 TypeError:必需參數'src2'(pos 2)找不到
我被困在最大功能,因爲某些原因需要SRC2參數,但它了沒有必要的。
這裏是我的代碼:
from cv2.cv2 import *
import numpy as np
import os
def store_raw_images(imgs_path, imgs_type):
imgs_format = '.jpg'
if any([img[0:3] == imgs_type for img in os.listdir(imgs_path)]):
current_imgs = list(filter(lambda x: x[0:3] == imgs_type, os.listdir(imgs_path)))
name_index = max(list(map(lambda x: int(x[4:-4]), current_imgs)))
imgs = list(filter(lambda x: x[0:3] != imgs_type, os.listdir(imgs_path)))
else:
name_index = 1
imgs = os.listdir(imgs_path)
for img in imgs:
try:
# Grayscaling and resizing
grayscaled = imread(imgs_path + img, IMREAD_GRAYSCALE)
resized = resize(grayscaled, (60, 90)) if imgs_type == 'pos' else resize(grayscaled, (500, 600))
imwrite(imgs_path + imgs_type + '-' + str(name_index) + imgs_format, resized)
name_index += 1
# Deleting origin image
os.remove(imgs_path + img)
except Exception as e:
os.remove(imgs_path + img)
store_raw_images('pos/', 'pos')
我真的收到此錯誤:
Traceback (most recent call last): File "img_converter.py", line 45, in store_raw_images('pos/', 'pos') File "img_converter.py", line 24, in store_raw_images name_index = max(tr,[]) TypeError: src1 is not a numpy array, neither a scalar
但是,如果我把下面的代碼片斷我的功能外它的作品精美絕倫,沒有錯誤:
if any([img[0:3] == imgs_type for img in os.listdir(imgs_path)]):
current_imgs = list(filter(lambda x: x[0:3] == imgs_type, os.listdir(imgs_path)))
name_index = max(list(map(lambda x: int(x[4:-4]), current_imgs)))
imgs = list(filter(lambda x: x[0:3] != imgs_type, os.listdir(imgs_path)))
有人可以幫助弄清楚爲什麼它顯示出這麼奇怪的行爲? 請隨時詢問更多信息,並提前致謝。
感謝您的幫助!祝你好運 – Michael