PIL.Image.open與cv2.imread格式互轉
阿新 • • 發佈:2018-11-19
PIL.Image轉換成OpenCV格式:
import cv2 from PIL import Image import numpy path = '/home/gavin/Desktop/demo-card-1.jpeg' img = Image.open(path).convert("RGB")#.convert("RGB")可不要,預設開啟就是RGB img.show() #轉opencv #img = cv2.cvtColor(numpy.asarray(image),cv2.COLOR_RGB2BGR) img = cv2.cvtColor(np.array(img),cv2.COLOR_RGB2BGR) cv2.imshow("OpenCV",img) cv2.waitKey()
OpenCV轉換成PIL.Image格式:
import cv2
from PIL import Image
import numpy
img = cv2.imread("plane.jpg") # opencv開啟的是BRG
cv2.imshow("OpenCV",img)
image = Image.fromarray(cv2.cvtColor(img,cv2.COLOR_BGR2RGB))
image.show()
cv2.waitKey()
判斷影象資料是否是OpenCV格式:
isinstance(img, np.ndarray)