A Python wrapper for openjpeg, with a focus on use as a plugin for for pylibjpeg

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  • License: BSD License, Historical Permission Notice and Disclaimer (HPND), MIT License (MIT)
  • Author: scaramallion
  • Tags dicom, python, medicalimaging, radiotherapy, oncology, pydicom, imaging, jpg, jpg2000, jpeg, jpeg2000, pylibjpeg, openjpeg
  • Requires: Python >=3.7
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Project description

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pylibjpeg-openjpeg

A Python 3.6+ wrapper for openjpeg, with a focus on use as a plugin for pylibjpeg.

Linux, OSX and Windows are all supported.

Installation

Dependencies

NumPy

Installing the current release

python -m pip install -U pylibjpeg-openjpeg

Installing the development version

Make sure Python, Git and CMake are installed. For Windows, you also need to install Microsoft's C++ Build Tools.

git clone --recurse-submodules https://github.com/pydicom/pylibjpeg-openjpeg
python -m pip install pylibjpeg-openjpeg

Supported JPEG Formats

Decoding

ISO/IEC Standard ITU Equivalent JPEG Format
15444-1 T.800 JPEG 2000

Encoding

Encoding of JPEG 2000 images is not currently supported

Transfer Syntaxes

UID Description
1.2.840.10008.1.2.4.90 JPEG 2000 Image Compression (Lossless Only)
1.2.840.10008.1.2.4.91 JPEG 2000 Image Compression

Usage

With pylibjpeg and pydicom

from pydicom import dcmread
from pydicom.data import get_testdata_file

ds = dcmread(get_testdata_file('JPEG2000.dcm'))
arr = ds.pixel_array

Standalone JPEG decoding

You can also decode JPEG 2000 images to a numpy ndarray:

from openjpeg import decode

with open('filename.j2k', 'rb') as f:
    # Returns a numpy array
    arr = decode(f)

# Or simply...
arr = decode('filename.j2k')

Project details

Verified details

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Maintainers
Avatar for darcymason from gravatar.com darcymason Avatar for mrbean-bremen from gravatar.com mrbean-bremen Avatar for scaramallion from gravatar.com scaramallion

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These details have not been verified by PyPI
Project links
Meta
  • License: BSD License, Historical Permission Notice and Disclaimer (HPND), MIT License (MIT)
  • Author: scaramallion
  • Tags dicom, python, medicalimaging, radiotherapy, oncology, pydicom, imaging, jpg, jpg2000, jpeg, jpeg2000, pylibjpeg, openjpeg
  • Requires: Python >=3.7
Classifiers

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2.4.0

2.3.0

2.2.2 yanked

Reason this release was yanked:

Use v2.3.0 for numpy v2.0

2.2.1

2.2.0

2.1.1

2.1.0

2.0.0

1.3.2

1.3.1

1.3.0

1.2.1

This version

1.2.0

1.1.1

1.1.0

1.0.1

1.0.0

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