PIL.Image.open与cv2.imread格式问题

# -*- coding: utf-8 -*-
"""
Created on 2019/8/13 9:36
@Author: Johnson
@Email:[email protected]
@File: test.py
"""
'''
常用图片读取方式：

PIL.Image.open

scipy.misc.imread

scipy.ndimage.imread

cv2.imread（速度最快）

matplotlib.image.imread

skimage

caffe.io.load_image
'''

import numpy as np
from PIL import  Image
imagepath = "1.jpg"
im1 = Image.open(imagepath)
im1 = np.array(im1) #获取numpy对象，RGB
print(type(im1))
print(im1.shape)

#2 opencv
import cv2
im2 = cv2.imread(imagepath)
print(type(im2)) #numpy BGR
print(im2.shape) #[width,heigth,3]

#3 skimage
from skimage import io
im3 = io.imread(imagepath) #
print(type(im3))
print(im3.shape)