add DICOM (aka supp 145) support #142 Build Problem

Mathieu Malaterre mathieu.malaterre at
Thu Sep 10 04:36:18 EDT 2015

On Thu, Sep 10, 2015 at 10:01 AM,  <jcupitt at> wrote:
> On 10 September 2015 at 08:10, Mathieu Malaterre
> <mathieu.malaterre at> wrote:
>> The issue I was thinking of when I added my comment was:
>> Again this is OT here, but even if #94 gets fixed other part of code
>> will need to be updated. Right now OpenJPEG requires enormous amount
>> of memory if you request the bottom-right pixel, which makes OpenSlide
>> pretty much useless for JPEG2000/WSI.
> I imagine all slide scanners would output tiled jp2k though, wouldn't they?

Aperio does it. But this is orthogonal to the original JPEG 2000
design which uses precincts (~tiles in wavelet space).

> Many image read libraries struggle with large untiled images, unfortunately.


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