[PIL] 투명한 이미지 만들기(글자만 남기기) / transparent image / remove background

remain only text or black thing.

remove backgrounds

 

배경은 삭제하고, 검은 영역만 남기기

 

import cv2
import numpy as np
from PIL import Image, ImageFilter, ImageOps
import glob

list = glob.glob("./*")
list.remove("./transparent.py")

# want to make transparent image.
# turn background as transparent.
# only remain black text.
for item in list:
    img = Image.open(item).convert("RGBA")
    nm = item.split("/")[-1]
    datas = img.getdata()
    
    newData = []
    for item in datas:
        if (item[0] in range(150)) or (item[1] in range(150)) or (item[2] in range(150)):
        
        # if item[0] == 0 and item[1] == 0 and item[2] == 0:
            newData.append((0, 0, 0, 255))
        else:
            newData.append((255, 255, 255, 0))
    img.putdata(newData)
    img.save("./trans_{}".format(nm))