Application utils (highgui, imgcodecs, videoio modules) {#tutorial_table_of_content_app}
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-   @subpage tutorial_trackbar
-   @subpage tutorial_raster_io_gdal
-   @subpage tutorial_video_input_psnr_ssim
-   @subpage tutorial_video_write
-   @subpage tutorial_kinect_openni
-   @subpage tutorial_orbbec_astra
-   @subpage tutorial_intelperc