1. Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Straße 7, Jena 07745, Germany
2. Friedrich Schiller University, Jena Institute of Applied Optics, Fröbelstieg 1, Jena 07743, Germany
3. Technical University Ilmenau, Group for Quality Assurance and Industrial Image Processing, Gustav-Kirchhoff-Platz 2, Ilmenau 98693, Germany