Display Image in Qt Creator Widget Application using OpenCV

If you haven’t set-up Qt with OpenCV yet please visit this article. After creating a new project name ‘display_image_bl’ and importing OpenCV libraries in .pro file. Open .ui file from Left Menu under Forms folder and it will show you the Qt designer as shown below:   Now inside designer pick a label from left menu under “Display Widgets” and drag it into box Type whatever you like. Now drag another label resize the box to at least size where we can display image. And change the name of the label to lets say ‘display_image’ under objectName from the...