[note] How to convart from cv2image to pillowimage

convert_cv2pillow.py

import cv2
from PIL import Image


def conver_cv2pilimage(cvImage):
    """cv2(np.arry)の画像をpillowに変換する

    Args:
        cvImage(numpy.ndarray): OpenCVで読み込んだ画像

    Returns:
        pilImage(PIL.Image.Image): Pillow形式の画像
    """
    pilImage = cvImage.copy()
    if pilImage.ndim == 2:  # モノクロ
        pass
    elif pilImage.shape[2] == 3:  # カラー
        pilImage = cv2.cvtColor(pilImage, cv2.COLOR_BGR2RGB)
    elif pilImage.shape[2] == 4:  # 透過
        pilImage = cv2.cvtColor(pilImage, cv2.COLOR_BGRA2RGBA)
    pilImage = Image.fromarray(pilImage)
    return pilImage