The purpose of this appendix is to describe how QT can be set up with low-cost hardware, to build an experimental tool kit. The author has set up such a system in his own home, demonstrating that beginning in Machine Vision is possible without incurring great expense. A low-cost camera and interface board allows QT to capture digital images and control simple external hardware devices. This arrangement is certainly adequate for gaining familiarity with the technology and developing concept-level solutions for a wide range of non-demanding applications.
Acquiring Images
Digital images can be captured for subsequent processing by QT in several ways:
- (a)
Flat-bed scanner (A standard “domestic” scanner is able to provide good quality images in JPEG format.)
- (b)
Digital camera (A standard still digital camera can provide good image quality. However, this option does not provide easy machine-user interaction.)
- (c)
MATLAB Image Acquisition Toolbox [http://www.mathworks.com]. This offers a...
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© 2012 Springer-Verlag London Ltd.
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Batchelor, B.G. (2012). Appendix H: Connecting QT to External Devices. In: Batchelor, B.G. (eds) Machine Vision Handbook. Springer, London. https://doi.org/10.1007/978-1-84996-169-1_49
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