Frédéric Devernay

Open-source software projects and contributions.

Documented projects

• C/C++ MINPACK — a pure-C, reentrant, thread-safe version of the MINPACK library for solving nonlinear equations and nonlinear least-squares problems (Levenberg–Marquardt and Powell hybrid methods). Source on GitHub.
• image-comparison-element — a web component for interactive before/after image comparison, with various compositing modes and a wipe interface. Source on GitHub.

Contributions

Natron and OpenFX (NatronGitHub)

• Natron — open-source, node-based video compositing software, similar to Nuke or After Effects.
• openfx — the OpenFX image-effect plug-in API (fork with bug fixes and enhancements).
• openfx-misc — miscellaneous OpenFX / Open Effects plug-ins.
• openfx-io — OpenFX readers and writers.
• openfx-arena — extra OpenFX plug-ins for Natron.
• openfx-gmic — OpenFX wrapper for the G’MIC image-processing framework.

Photogrammetry

• Metashape Expert Manual — a community expert manual for Agisoft Metashape (Photogrammetry Community).