Image transformation, compression, and decompression codecs
Project description
The imagecodecs package provides various block-oriented, in-memory buffer transformation, compression, and decompression functions for use in the tiffile, czifile, and other Python imaging modules.
Decode and/or encode functions are currently implemented for Zlib DEFLATE, ZStandard, LZMA, BZ2, LZ4, LZW, LZF, PNG, WebP, JPEG, JPEG 12-bit, JPEG 2000, JPEG XR, PackBits, Packed Integers, Delta, XOR Delta, Floating Point Predictor, and Bitorder reversal.
- Author:
- Organization:
Laboratory for Fluorescence Dynamics. University of California, Irvine
- Version:
2018.10.10
Requirements
jxrlib 0.2.0 with patch
A Python distutils compatible C compiler
Notes
Imagecodecs is currently developed, built, and tested on Windows only.
The API is not stable yet and might change between revisions.
Works on little-endian platforms only.
Python 2.7 and 3.4 are deprecated.
Other Python packages providing imaging or compression codecs:
Revisions
- 2018.10.10
Add PNG codecs. Add option to specify output colorspace in JPEG decoder. Fix Delta codec for floating point numbers. Fix XOR Delta codecs.
- 2018.9.30
Add LZF codecs.
- 2018.9.22
Add WebP codecs.
- 2018.8.29
Pass 396 tests. Add PackBits encoder.
- 2018.8.22
Add link library version information. Add option to specify size of LZW buffer. Add JPEG 2000 decoder. Add XOR Delta codec.
- 2018.8.16
Link to libjpeg-turbo. Support Python 2.7 and Visual Studio 2008.
- 2018.8.10
Initial alpha release. Add LZW, PackBits, PackInts and FloatPred decoders from tifffile.c module. Add JPEG and JXR decoders from czifile.pyx module.
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