RFR: IO cleanup

[Chris Colbert]

Did we decided on a standard for which dtypes we will support?

Some of the color conversions can be sped up in Cython with a lut (ala
scivi), but we would need to write one func for each dtype.

I am working on a webinar for image processing and am getting back into
using th scikit, so there are some things I'm seeing during use that I would
like to improve, but would require knowledge of what dtypes to support.

Chris

2010/11/5 Stéfan van der Walt <stefan at sun.ac.za>

> Hi all,
>
> At the SciPy sprint (ages ago), Chris suggested that we clean up the
> image loading API.  The following changes simplify `imread` by
> removing the `dtype` argument.  This allows for simpler plugins.
> Because `as_grey` is such a commonly used parameter, it is left in
> place, but now works differently: after the image is loaded, the (new)
> rgb2grey is simply performed on it.
>
> Please have a look at
>
> https://github.com/stefanv/scikits.image/compare/master...io_cleanup
>
> Regards
> Stéfan
>
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