Extract imgcodecs module from highgui
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@@ -5,7 +5,7 @@ Load, Modify, and Save an Image
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.. note::
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We assume that by now you know how to load an image using :readwriteimagevideo:`imread <imread>` and to display it in a window (using :user_interface:`imshow <imshow>`). Read the :ref:`Display_Image` tutorial otherwise.
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We assume that by now you know how to load an image using :readwriteimage:`imread <imread>` and to display it in a window (using :user_interface:`imshow <imshow>`). Read the :ref:`Display_Image` tutorial otherwise.
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Goals
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======
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@@ -14,9 +14,9 @@ In this tutorial you will learn how to:
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.. container:: enumeratevisibleitemswithsquare
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* Load an image using :readwriteimagevideo:`imread <imread>`
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* Load an image using :readwriteimage:`imread <imread>`
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* Transform an image from BGR to Grayscale format by using :miscellaneous_transformations:`cvtColor <cvtcolor>`
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* Save your transformed image in a file on disk (using :readwriteimagevideo:`imwrite <imwrite>`)
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* Save your transformed image in a file on disk (using :readwriteimage:`imwrite <imwrite>`)
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Code
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======
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@@ -62,7 +62,7 @@ Here it is:
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Explanation
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============
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#. We begin by loading an image using :readwriteimagevideo:`imread <imread>`, located in the path given by *imageName*. For this example, assume you are loading a RGB image.
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#. We begin by loading an image using :readwriteimage:`imread <imread>`, located in the path given by *imageName*. For this example, assume you are loading a RGB image.
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#. Now we are going to convert our image from BGR to Grayscale format. OpenCV has a really nice function to do this kind of transformations:
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@@ -76,9 +76,9 @@ Explanation
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* a source image (*image*)
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* a destination image (*gray_image*), in which we will save the converted image.
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* an additional parameter that indicates what kind of transformation will be performed. In this case we use **CV_BGR2GRAY** (because of :readwriteimagevideo:`imread <imread>` has BGR default channel order in case of color images).
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* an additional parameter that indicates what kind of transformation will be performed. In this case we use **CV_BGR2GRAY** (because of :readwriteimage:`imread <imread>` has BGR default channel order in case of color images).
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#. So now we have our new *gray_image* and want to save it on disk (otherwise it will get lost after the program ends). To save it, we will use a function analagous to :readwriteimagevideo:`imread <imread>`: :readwriteimagevideo:`imwrite <imwrite>`
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#. So now we have our new *gray_image* and want to save it on disk (otherwise it will get lost after the program ends). To save it, we will use a function analagous to :readwriteimage:`imread <imread>`: :readwriteimage:`imwrite <imwrite>`
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.. code-block:: cpp
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