image resize pillow without changing values python code example

Example 1: python pillow resize image

from PIL import Image
# set the base width of the result
basewidth = 300
img = Image.open('somepic.jpg')
# determining the height ratio
wpercent = (basewidth/float(img.size[0]))
hsize = int((float(img.size[1])*float(wpercent)))
# resize image and save
img = img.resize((basewidth,hsize), Image.ANTIALIAS)
img.save('sompic.jpg')

Example 2: change image resolution pillow

size = 7016, 4961
im = Image.open("my_image.png")
im_resized = im.resize(size, Image.ANTIALIAS)
im_resized.save("my_image_resized.png", "PNG")