Thanks for reporting.. This is perhaps more a matter for the PIL mailing
list? http://www.pythonware.com/products/pil/ (See Free Support section)
Unless, people know of any way we can help solve it on this side?
2013/3/19 Patrick Flaherty <[email protected]>
>
> I'm experimenting with the examples/tutorials to get a feel for
> scikit-learn.
>
> "Faces recognition example using eigenfaces and SVMs" example.
>
> Windows 7, python 2.73., etc. Installed all the packages to the latest
> versions and the example was crashing here:
>
> > face = np.asarray(imread(file_path)[slice_], dtype=np.float32)
>
> in lfw.py
>
> with an error to the effect of: can't slice a 0-dm array.
>
> Eventually discovered that when you install PIL with pip, it does not
> install the jpeg decoder. Only easy_install will install the decoder as
> well:
>
>
> http://stackoverflow.com/questions/8891091/how-to-install-pil-package-with-jpeg-support-in-windows
>
> I guess it makes sense that if you don't have the decoder, then the
> array from imread(file_path) will be without dimensions - but it took me
> a while to get there.
>
> I also found that the following is necessary on Windows 7 with PIL code
> as simple as this:
>
> > import Image
> > im=Image.open("file.jpg")
> > im.show()
>
>
> http://www.velocityreviews.com/forums/t707158-python-pil-and-vista-windows-7-show-not-working.html
>
> That is, in ImageShow.py, for the Windows viewer, you need to substitute:
>
> > return "start /wait %s && PING 127.0.0.1 -n 5 > NUL && del /f %s" %
> (file, file)
>
> for the current line #99.
>
> Pat
>
>
>
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