OpenJPEG

lastmod 2026-11-10created 2015-10-162 edits

OpenJPEG is a BSD-licensed library adopted as the reference implementation of the JPEG 2000 standard. It provides a C API and command-line tools for encoding and decoding wavelet-based JPEG 2000 images, and is used as a codec in PDF viewers, medical imaging (DICOM), digital cinema software, and more.

An open-source JPEG 2000 codec written in C.

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• OpenJPEG web site