Python Create Word Cloud Image Based on a Background Image – Python Wordcloud Tutorial

By | October 13, 2020

We can create a word cloud image based on a white color background. If you want to use an image as a backgroud to create a word cloud image. How to do?

In this tutorial, we will introduce you how to create a word cloud image based on a background image.

Preliminary

We should import some libraries.

from wordcloud import WordCloud
from PIL import Image
import numpy as np

Read background image

We can use python pillow to read an image.

im = Image.open("bg.png")
bg_pic = np.asarray(im)

Create word cloud image based on image

wc = WordCloud(mask=bg_pic, background_color='white', width = 300, height=300, margin=2)

text = '''
from wordcloud import WordCloud
from PIL import Image
import numpy as np
im = Image.open("bg.png")
bg_pic = np.asarray(im)
'''
wc.generate(text)
wc.to_file('wc1.png')

In this example, we use backgroud image as a mask to create a word cloud image.

Run this result, you will get this word cloud image.

Python Create Word Cloud Image Based on a Background Image - Python Wordcloud Tutorial

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