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corrected typo (ticket #1843). added note about imdecode & imencode

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Vadim Pisarevsky 2012-04-24 12:54:49 +00:00
parent 75b1788c6b
commit 488ae9dd6e
1 changed files with 7 additions and 1 deletions
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8
doc/user_guide/ug_mat.rst
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@ -18,9 +18,15 @@ If you read a jpg file, a 3 channel image is created by default. If you need a g
Mat img = imread(filename, 0);
.. note:: format of the file is determined by its content (first few bytes)
Save an image to a file: ::
Mat img = imwrite(filename);
imwrite(filename, img);
.. note:: format of the file is determined by its extension.
.. note:: use ``imdecode`` and ``imencode`` to read and write image from/to memory rather than a file.
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