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This dedicated image capture and analysis system uses Windows®XP Embedded to provide a
standalone x-ray imaging system ideally suited to mailroom inspection.
Project overview:
The system's function is to capture images from a CCIR (monochrome) format CCD camera pointed at a scintillating screen within the x-ray enclosure. X-ray images of the samples being screened are presented to the operator for further image processing and inspection.
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Software development briefPrevious experience within the x-ray and non-destructive-test sectors helped us to select components that would provide the manufacturer with the best possible combination of cost-effectiveness, image quality and a feature-rich product – with the selection of a Matrox Frame Grabber and the associated imaging library being a key decision. Windows XP Embedded:The operators of the new X-ray imaging system would not necessarily be computer literate, and it was important that the finished product presented itself to the end user as a dedicated unit, rather than as a PC running an imaging system. By licensing Windows XP Embedded, a custom version of the Windows operating system could be built. This, coupled with careful attention to the application's look and feel, enabled us to create a dedicated image capture and analysis system that reflected the manufacturer's branding. The use of XP Embedded also reduces the works cost of these units, as both the licensing and hardware costs are lessened. Component Licensing:An important factor in marketing the new product was to offer the end user a base system, with a number of optional extras – available at extra cost. Whilst this represents good business practice, there was the potential for problems to arise facilitating field upgrades and maintenance. A system was thus devised whereby all the features of the system were incorporated into a single application, with the various optional features being controlled via a licensing model. To increase security, a licence key "seed" for each optional component is generated based upon unique identifiers within each system, making licence codes non-transferrable between machines. Core Skills:
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