This paper is intended as a short follow-up to our last publication on the use of polarization-based imaging techniques and metrology applications. With their increasing resolution, memory availability and computing capacity, smartphones have become a common means for image and video documentation, geodetic and metrological data acquisition and similar applications in recent years. We are investigating concepts for smartphone-based polarimetric image acquisition and evaluation in field measurement campaigns. Technical applications are, for example, the mobile examination of larger areas with regard to contamination, damage to coatings, corrosion and the like, but also artistic photography, e.g. for paintings and sculptures. In addition to pure data acquisition, image pre-processing and analysis can be carried out in the field by means of mobile image processing applications. In the paper we discuss such concepts, their feasibility and robust extensions for smartphones that could lead to applications that actually take advantage of the smartphone's mobility.
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