Cellavision Ab

Hovding Sverige Ab

Oscar Beijbom

Martin Almers

Sven Hedlund

In one embodiment of the present invention, a method is disclosed for determining a difference between a sample position and an in-focus position, as well as a vision inspection system. In a first step image data depicting a sample is captured. Next, a feature set is extracted from the image data. Thereafter, the feature set is classified into a position difference value, corresponding to the difference between the sample position and the in-focus position, by using a machine learning algorithm that is trained to associate image data features to a position difference value.

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Lund, Sweden

Oscar Beijbom