How to remove background colour of image in tkinter

Question

here cherri image on main window is in png but still its covering lots of space ?i want to remove that white background

from tkinter import *
from PIL import Image,ImageTk
root=Tk()

root.geometry('600x650+400+20')
root.title('C H E R R I')
bgimage = PhotoImage(file='Images/bg.png')
bgLabel = Label(root,image=bgimage)
bgLabel.place(x=-1,y=0)

#Create a canvas
canvas= Canvas(root, width= 600, height= 400)
canvas.pack()
img= (Image.open("Images/Login1.png"))
resized_image= img.resize((270,180), Image.ANTIALIAS)
new_image= ImageTk.PhotoImage(resized_image)
canvas.create_image(160,70, anchor=NW, image=new_image)
 
root.resizable(False, False)
root.mainloop()