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Gui Features in OpenCV {#tutorial_py_table_of_contents_gui}
======================
- @ref tutorial_display_image
Learn to load an
image, display it, and save it back
- @subpage tutorial_py_video_display
Learn to play videos,
capture videos from a camera, and write videos
- @subpage tutorial_py_drawing_functions
Learn to draw lines,
rectangles, ellipses, circles, etc with OpenCV
- @subpage tutorial_py_mouse_handling
Draw stuff with your
mouse
- @subpage tutorial_py_trackbar
Create trackbar to
control certain parameters
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