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imread 0.3.2

imread: Image reading library

Package Documentation

Latest Version: 0.5.1

mahotas-imread: Read Image Files

Mahotas-imread is a simple module with a small number of functions:

Reads an image file
Reads an image file with multiple images. Currently, TIFF and STK (a TIFF
sub-based format) support this function.
Writes an image file

Example (which uses `mahotas <http:"" software="" mahotas="">`__ for
Gaussian filtering)::

from imread import imread, imsave
from mahotas import gaussian_filter
lena = imread('lena.jpeg')

lena = gaussian_filter(lena.astype(float), 4.)
imsave('lena-filtered.jpeg', lena)

This grew out of frustration at current image loading solutions in Python, in
either my packages [`mahotas <http:"">`__] or packages from
others [`scikit-image <http:""/>`__, for example].

The relationship with numpy is very contained and this could be easily
repurposed to load images in other frameworks, even other programming

`Online documentation <http:"" imread=""/>`__


.. _Citation:

If you use imread on a published publication, please cite the main `mahotas
<http:"">`__ paper (imread is a spin-off of mahotas):

**Luis Pedro Coelho** Mahotas: Open source software for scriptable computer
vision in Journal of Open Research Software, vol 1, 2013. [`DOI
<http:"" 10.5334="""">`__]

In Bibtex format::

author = {Luis Pedro Coelho},
title = {Mahotas: Open source software for scriptable computer vision},
journal = {Journal of Open Research Software},
year = {2013},
doi = {},
month = {July},
volume = {1}


To install on debian/ubuntu::

sudo apt-get install libpng12-dev libtiff4-dev libwebp-dev
sudo apt-get install xcftools

To install on Mac::

sudo port install libpng tiff webp

Bug Reports

Please report any bugs either on github or by email to

If you are not sure of whether this is the correct behaviour, you can discuss
this on the
`pythonvision mailing list <https:"" forum="" ?fromgroups#!forum="" pythonvision="">`__

If at all possible, include a small image as a test case.

Travis Build Status

.. image::

Python versions 2.6, 2.7 and 3.3 are officially supported.

Python 3.4 should also work (submit a bug report if it does not). Python 3.2
(and earlier versions in the Python 3 series) are officially **not supported**.


Version 0.3.2 (2013-10-06)
- Added imload*/imwrite synonyms as suggested by Thouis (Ray) Jones
- Options framework
- Allow user to specify JPEG quality when saving
- Fix loading of 16 bit PNG images

Version 0.3.1 (2013-06-20)
- Fix possible crash on error with TIFF
- Fix compilation on Windows (reported by Volker Hilsenstein)
- Make it easy to compile without WebP

Version 0.3.0 (2013-07-29)
- Support for reading from in-memory blobs
- Support for reading & writing TIFF metadata
- Add PHOTOMETRIC tag to TIFF (reported by Volker Hilsenstein)
- Support writing RGB TIFFs

Version 0.2.6 (2013-06-19)
- Fix hard crash when saving with non-existing file type
- Fix compilation on MacOS (patch by Alexander Bohn)
- Add ``verbose`` argument to
- Better error when attempting to save floating point images

Version 0.2.5 (2012-10-29)
- Correctly accept uppercase extensions
- Python 3 support (patch by Christoph Gohlke [pull request 8 on github])
- Read 1-Bit PNGs
- Read simple BMPs (compression and many bit types not supported)
- More complete debug mode (export DEBUG=2 when building), more checks

Version 0.2.4 (2012-06-26)
- Add lzw.cpp to source distribution
- Support saving 16-bit TIFF
- Better Mac OS support (patch from Alexander Bohn)

Version 0.2.3 (2012-06-8)
- Fix imread_multi

Version 0.2.2 (2012-06-5)
- Add `formatstr` argument to imread
- Open files in binary mode on Windows (patch by Christoph Gohlke)
- Read-only support for LSM files
- Read-only support for XCF files (through `xcf2png`)
- Fix writing of non-contiguous images (at least PNG was affected)

Version 0.2.1 (2012-02-11)
- Add missing files to distribution

Version 0.2 (2012-03-19)
- Compile on MSVC++ (Patches by Christoph Gohlke)
- Support for WebP
- Support for 1-bit TIFFs
- Better error message
- Support for multi-page TIFF reading
- Experimental read-only support for STK files

Version 0.1 (2012-02-28)

- Support for PNG
- Support for TIFF
- Support for JPEG  
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