On Sun, 27 Apr 2008 06:42:13 -0700, wilson wrote:
> i converted some P5 type .pgm images to .jpg using
> […]
> ie if oldimage.pgm has pixels
> [29 31 38 ..., 10 4 18]
> then the corresponding jpg image has
> [29 31 38 ..., 10 3 17]
>
> why this difference? shouldn't they be identical?can someo
hi
i converted some P5 type .pgm images to .jpg using
x=Image.open("oldimage.pgm")
imsz=x.size
newimg=Image.new('L',imsz)
newimg.putdata(x.getdata())
newimg.save("newimg.jpg")
when i again check the pixel data for these images using getdata()
method i,I find that they are slightly different
ie if
