Python,在标签中的Tkinter中显示openCv图像
我正在尝试在Tkinter标签中显示openCV图像。当我从文件中加载图像时,如下所示:Python,在标签中的Tkinter中显示openCv图像,python,image,opencv,numpy,tkinter,Python,Image,Opencv,Numpy,Tkinter,我正在尝试在Tkinter标签中显示openCV图像。当我从文件中加载图像时,如下所示: img = ImageTk.PhotoImage("asd.png") 一切正常。但当我改变它,我得到的只是空的,黑色的图像,不管怎么说。以下是示例代码: import tkinter as tk from tkinter import * import cv2 from skimage import io from PIL import Image, ImageTk from skimage.colo
img = ImageTk.PhotoImage("asd.png")
一切正常。但当我改变它,我得到的只是空的,黑色的图像,不管怎么说。以下是示例代码:
import tkinter as tk
from tkinter import *
import cv2
from skimage import io
from PIL import Image, ImageTk
from skimage.color import rgb2gray
def make_label(master, x, y, w, h, img, *args, **kwargs):
f = Frame(master, height = h, width = w)
f.pack_propagate(0)
f.place(x = x, y = y)
label = Label(f, image = img, *args, **kwargs)
label.pack(fill = BOTH, expand = 1)
return label
if __name__ == '__main__':
root = tk.Tk()
frame = tk.Frame(root, width=400, height=600, background='white')
frame.pack_propagate(0)
frame.pack()
image = rgb2gray(io.imread("asd.png"))
image2 = Image.fromarray(image)
img = ImageTk.PhotoImage(image2)
make_label(root, 0, 0, 100, 100, img)
root.mainloop()
请帮忙,我想问题在于,
rgb2gray(io.imread(“asd.png”)
给出的灰度值在0到1之间,而PIL期望值在0到255之间,因此,Image.fromarray(Image)
的结果是一个黑色正方形,因为所有值都小于1
因此image2=Image.fromarray(Image*255)
应该给出预期的图像