Method and device for investigating visual properties of a sample surface having defects

Abstract

A method for investigating visual properties of a sample surface using a spectrophotometer having an integrated camera comprises acquiring at least one image of a measurement area of the sample surface for at least one measurement geometry, using the integrated camera of the spectrophotometer, and determining a defect indicator that is indicative of defects of the sample surface in the measurement area. The step of determining a defect indicator comprises analyzing pixel values of the at least one image, using at least one processor.

Dependencies are inferred from the claim text.