Acquisition Accuracy Evaluation in Visual Inspection Systems - a Practical Approach

Details Acquisition Accuracy Evaluation in Visual Inspection Systems - a Practical Approach Acquisition Accuracy Evaluation in Visual Inspection Systems - a Practical Approach

2008-03-03

arxiv.org/abs/0803.0194v1

Proceeedings of ETc '96 Conference, 1996, Timisoara, Romania

Computer Science

Computer Vision and Pattern Recognition

6 pages, 4 figures, ETc'96 Conference paper

Scientific paper

This paper draws a proposal of a set of parameters and methods for accuracy evaluation of visual inspection systems. The case of a monochrome board is treated, but practically all conclusions and methods may be extended for colour acquisition. Basically, the proposed parameters are grouped in five sets as follows:Internal noise;Video ADC cuantisation parameters;Analogue processing section parameters;Dominant frequencies;Synchronisation (lock-in) accuracy. On basis of this set of parameters was developed a software environment, in conjunction with a test signal generator that allows the "test" images. The paper also presents conclusions of evaluation for two types of video acquisition boards

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