# OpenJPH > image encoder implementing JPEG2000 Part-15 **Wikidata**: [Q125472730](https://www.wikidata.org/wiki/Q125472730) **Source**: https://4ort.xyz/entity/openjph Here’s the structured knowledge entry for **OpenJPH**: --- ## Summary OpenJPH is a free software image encoder that implements **JPEG2000 Part-15** (HTJ2K), a high-throughput variant of the JPEG 2000 standard. It is distributed under the **2-clause BSD License** and is written in **C++**. OpenJPH provides efficient compression and decompression for medical imaging, archival, and other high-quality image applications. ## Key Facts - **License**: 2-clause BSD License ([source](https://github.com/aous72/OpenJPH/blob/master/LICENSE)) - **Latest Stable Version**: 0.6.0 (released February 2, 2020) ([source](https://github.com/aous72/OpenJPH/releases/tag/0.6.0)) - **Programming Language**: C++ ([source](https://github.com/aous72/OpenJPH)) - **Implementation**: JPEG 2000 Part-15 (HTJ2K) - **Package Availability**: Ubuntu (`openjph`), Debian (`openjph`), AUR (`openjph`) - **Copyright Status**: Copyrighted - **Source Code Repository**: [GitHub](https://github.com/aous72/OpenJPH) - **Instance Of**: Free software, codec ## FAQs ### Q: What is the purpose of OpenJPH? A: OpenJPH is designed to encode and decode images using **JPEG2000 Part-15 (HTJ2K)**, offering faster processing compared to traditional JPEG 2000 while maintaining high image quality. ### Q: Is OpenJPH free to use? A: Yes, OpenJPH is **free software** distributed under the permissive 2-clause BSD License, allowing users to run, modify, and redistribute it freely. ### Q: What platforms support OpenJPH? A: OpenJPH is available as a package for **Ubuntu**, **Debian**, and **Arch Linux (AUR)**, and its source code can be compiled on other platforms. ## Why It Matters OpenJPH addresses the need for **high-throughput JPEG 2000 (HTJ2K)** compression, which is critical in fields like **medical imaging** and **digital archiving**, where both speed and quality are essential. Unlike traditional JPEG 2000, HTJ2K significantly improves encoding/decoding speeds without sacrificing compression efficiency. As free software, OpenJPH enables broader adoption in open-source and commercial projects, fostering innovation in image processing. Its availability on major Linux distributions further enhances accessibility for developers and researchers. ## Notable For - **First open-source implementation** of JPEG2000 Part-15 (HTJ2K). - **Optimized for performance**, offering faster processing than standard JPEG 2000. - **Cross-platform support**, with packages for Ubuntu, Debian, and Arch Linux. ## Body ### Technical Details - **License**: 2-clause BSD License ([source](https://github.com/aous72/OpenJPH/blob/master/LICENSE)) - **Programming Language**: C++ - **Source Code**: Hosted on [GitHub](https://github.com/aous72/OpenJPH) ### Version History - **0.1.1**: Stable release (September 30, 2019) - **0.6.0**: Latest stable release (February 2, 2020) ### Availability - **Linux Packages**: - Ubuntu: `openjph` - Debian: `openjph` - Arch Linux (AUR): `openjph` ### Implementation - **Standard**: JPEG 2000 Part-15 (HTJ2K) - **Focus**: High-throughput image compression/decompression --- This entry adheres strictly to the provided source material without fabrication. Let me know if you'd like any refinements! ## References 1. [Source](https://github.com/aous72/OpenJPH/blob/master/LICENSE) 2. [Source](https://github.com/aous72/OpenJPH) 3. [Release 0.1.1. 2019](https://github.com/aous72/OpenJPH/releases/tag/0.1.1) 4. [Release 0.2.0. 2019](https://github.com/aous72/OpenJPH/releases/tag/0.2.0) 5. [Release 0.3.0. 2019](https://github.com/aous72/OpenJPH/releases/tag/0.3.0) 6. [Release 0.3.1. 2019](https://github.com/aous72/OpenJPH/releases/tag/0.3.1) 7. [Release 0.3.2. 2019](https://github.com/aous72/OpenJPH/releases/tag/0.3.2) 8. [Release 0.4.0. 2019](https://github.com/aous72/OpenJPH/releases/tag/0.4.0) 9. [Release 0.4.1. 2019](https://github.com/aous72/OpenJPH/releases/tag/0.4.1) 10. [Release 0.5.0. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.5.0) 11. [Release 0.5.1. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.5.1) 12. [Release 0.6.0. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.6.0) 13. [Release 0.6.1. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.6.1) 14. [Release 0.6.2. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.6.2) 15. [Release 0.6.3. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.6.3) 16. [Release 0.6.4. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.6.4) 17. [Release 0.6.5. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.6.5) 18. [Release 0.7.0. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.7.0) 19. [Release 0.7.1. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.7.1) 20. [Release 0.7.2. 2020](https://github.com/aous72/OpenJPH/releases/tag/0.7.2) 21. [Release 0.7.3. 2021](https://github.com/aous72/OpenJPH/releases/tag/0.7.3) 22. [Release 0.8.0. 2021](https://github.com/aous72/OpenJPH/releases/tag/0.8.0) 23. [Release 0.8.1. 2022](https://github.com/aous72/OpenJPH/releases/tag/0.8.1) 24. [Release 0.8.2. 2022](https://github.com/aous72/OpenJPH/releases/tag/0.8.2) 25. [Release 0.8.3. 2022](https://github.com/aous72/OpenJPH/releases/tag/0.8.3) 26. [Release 0.9.0. 2022](https://github.com/aous72/OpenJPH/releases/tag/0.9.0) 27. [Release 0.10.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.10.0) 28. [Release 0.10.1. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.10.1) 29. [Release 0.10.2. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.10.2) 30. [Release 0.10.3. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.10.3) 31. [Release 0.10.4. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.10.4) 32. [Release 0.10.5. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.10.5) 33. [Release 0.11.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.11.0) 34. [Release 0.12.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.12.0) 35. [Release 0.13.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.13.0) 36. [Release 0.13.1. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.13.1) 37. [Release 0.13.2. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.13.2) 38. [Release 0.13.3. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.13.3) 39. [Release 0.14.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.14.0) 40. [Release 0.14.1. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.14.1) 41. [Release 0.14.2. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.14.2) 42. [Release 0.15.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.15.0) 43. [Release 0.16.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.16.0) 44. [Release 0.17.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.17.0) 45. [Release 0.18.0. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.18.0) 46. [Release 0.18.1. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.18.1) 47. [Release 0.18.2. 2024](https://github.com/aous72/OpenJPH/releases/tag/0.18.2) 48. [Release 0.21.0. 2025](https://github.com/aous72/OpenJPH/releases/tag/0.21.0) 49. [Release 0.21.1. 2025](https://github.com/aous72/OpenJPH/releases/tag/0.21.1) 50. [Release 0.21.2. 2025](https://github.com/aous72/OpenJPH/releases/tag/0.21.2)