half the resolution of a picture pil code example

Example 1: python pil resize image

from PIL import Image

# Image.open() can also open other image types
img = Image.open("some_random_image.jpg")
# WIDTH and HEIGHT are integers
resized_img = img.resize((WIDTH, HEIGHT))
resized_img.save("resized_image.jpg")

Example 2: 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')