January 2016
Intermediate to advanced
296 pages
5h 59m
English
Content preview from OpenCV By Example
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The graphical user interface with QT
The QT user interface gives us more control and options to work with our images.
The interface is divided into three main areas:
- The toolbar
- The image area
- The status bar
The toolbar has the following buttons from left to right:
- Four buttons for panning
- Zoom x1
- Zoom x30 and show labels
- Zoom in
- Zoom out
- Save the current image
- Show the properties windows
These options can be seen more clearly in the following screenshot:
The image area shows an image and a contextual menu when we push the right mouse button over the image. This ...