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change tutorial to use enum name instead of value (#8783)

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* change tutorial to use enum name instead of value

* use enum name instead of value
This commit is contained in:
Drew Hintz
2017-05-25 11:10:13 +02:00
committed by Vadim Pisarevsky
parent 2a5e12ccb5
commit f6b6fbf136
2 changed files with 2 additions and 2 deletions
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doc/tutorials/core/mat_operations.markdown
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@@ -14,7 +14,7 @@ Load an image from a file:
If you read a jpg file, a 3 channel image is created by default. If you need a grayscale image, use:
@code{.cpp}
Mat img = imread(filename, 0);
Mat img = imread(filename, IMREAD_GRAYSCALE);
@endcode
@note format of the file is determined by its content (first few bytes) Save an image to a file: