[gdal-dev] Fwd: [OpenJPEG] OpenJPEG 2.2.0 is out ! Faster and safer.

[Mateusz Loskot]

Great efforts Even!

On 10 August 2017 at 09:17, Even Rouault <even.rouault at spatialys.com> wrote:
> Hi,
>
>
>
> For those working with JPEG2000, see below
>
>
>
> Even
>
>
>
> ---------- Forwarded Message ----------
>
>
>
> Subject: [OpenJPEG] OpenJPEG 2.2.0 is out ! Faster and safer.
>
> Date: jeudi 10 août 2017, 04:58:13 CEST
>
> From: Antonin - OpenJPEG <info at openjpeg.org>
>
> To: openjpeg at googlegroups.com <openjpeg at googlegroups.com>
>
>
>
> Hi folks,
>
>
>
> OpenJPEG 2.2.0 is released today:
>
> https://github.com/uclouvain/openjpeg/releases/tag/v2.2.0
>
>
>
> This new release includes a significant number of improvements and bug
> fixes. In particular:
>
> - Multi-threading support at decoding side
>
> - Several speed optimisations both at encoder and decoder, and both on
> Wavelet Transform and Entropy Coding parts. On our test set, a
> single-threaded execution is now around 20% faster (encoding or decoding).
>
> - Huge memory consumption reduction at decoding side (~60% reduction on
> large images)
>
> - Several important bug fixes, in particular the one that was preventing
> OpenJPEG to encode lossless in some specific situations, as well as those
> related to mode switches (BYPASS/LAZY, RESTART/TERMALL, etc).
>
> - Several security fixes thanks to the inclusion of OpenJPEG in the Google
> OSS Fuzz project.
>
>
>
> Beside that, several improvements have been brought to the project
> maintenance, like inclusion of benchmarking scripts to compare speed with
> latest available kakadu binaries.
>
>
>
> And, last but not least, API and ABI are 100% compatible with previous
> version.
>
>
>
> More info:
>
> News: https://github.com/uclouvain/openjpeg/blob/v2.2.0/NEWS.md
>
> Changelog: https://github.com/uclouvain/openjpeg/blob/v2.2.0/CHANGELOG.md
>
> Full Changelog:
> https://github.com/uclouvain/openjpeg/compare/v2.1.2...v2.2.0
>
>
>
> As described in a previous post
> (https://groups.google.com/d/msg/openjpeg/CltNQpbbwm4/jajpDKq0AAAJ), all
> this has been made possible thanks to a funding from academic institutions
> and archival organizations, namely:
>
> - Wellcome Library
>
> - Stanford University
>
> - Nationale Bibliotheek van Nederland (KBNL)
>
> - University of Michigan
>
> - University of California, Los Angeles (UCLA)
>
> And logistic support from the International Image Interoperability Framework
> (IIIF), the Council on Library and Information Resources (CLIR), intoPIX,
> and of course the Image and Signal Processing Group (ISPGroup) from
> University of Louvain (UCL, Belgium) hosting the OpenJPEG project. Thanks to
> all of them !
>
>
>
> Many thanks also to Even Rouault, the developper who actually implemented
> these improvements, and of course to all contributors having suggested fixes
> or enhancements.
>
>
>
> I hope you will find this new version useful, don’t hesitate to provide
> feedback to improve it even further. By the way, more improvements are yet
> to come in the coming months.
>
>
>
> Enjoy,
>
>
>
> Antonin
>
>
>
> --
>
> You are subscribed to the mailing-list of the OpenJPEG project
> (www.openjpeg.org)
>
> To post: email to openjpeg at googlegroups.com
>
> To unsubscribe: email to openjpeg+unsubscribe at googlegroups.com
>
> For more options: visit http://groups.google.com/group/openjpeg
>
> OpenJPEG is mainly supported by :
>
> * UCL Image and Signal Processing Group (http://sites.uclouvain.be/ispgroup)
>
> * IntoPIX (www.intopix.com)
>
>
>
> -----------------------------------------
>
> --
>
> Spatialys - Geospatial professional services
>
> http://www.spatialys.com
>
>
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/gdal-dev



-- 
Mateusz Loskot, http://mateusz.loskot.net