Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Häusler, Gerd"'
Autor:
Häusler, Gerd, Willomitzer, Florian
Recording and (computational) processing of complex wave fields offers a vast realm of new optical methods. Also for optical 3D-metrology. We discuss fundamental similarities and differences of holographic surface topography measurement versus non-ho
Externí odkaz:
http://arxiv.org/abs/2112.05113
Autor:
Häusler, Gerd, Milczarek, Aleksandra, Schreiter, Markus, Kästner, Thomas, Willomitzer, Florian, Maier, Andreas, Schiffers, Florian, Steidl, Stefan, Onanuga, Temitope Paul, Unberath, Mathias, Dötzer, Florian, Stöve, Maike, Hajek, Jonas, Heidorn, Christian, Häußler, Felix, Geimer, Tobias, Wendel, Johannes
This document contains the results obtained by the Innovation Management Seminar in winter term 2017. In total 11 ideas have been developed by the team. In the document all 11 ideas show improvements for future applications in ophthalmology. The 11 i
Externí odkaz:
http://arxiv.org/abs/1708.09706
Autor:
Willomitzer, Florian, Häusler, Gerd
We introduce a method and a 3D-camera for single-shot 3D shape measurement, with unprecedented features: The 3D-camera does not rely on pattern codification and acquires object surfaces at the theoretical limit of the information efficiency: Up to 30
Externí odkaz:
http://arxiv.org/abs/1605.02119
For quality control in the factory, 3D-metrology faces increasing demands for high precision and for more space-bandwidth-speed-product SBSP (number of 3D-points/sec). As a potential solution, we will discuss Structured-Illumination Microscopy (SIM).
Externí odkaz:
http://arxiv.org/abs/1504.04556
Publikováno v:
Applied Optics, Vol. 54, Issue 3, pp. 408-417 (2015)
We introduce a novel concept for motion robust optical 3D-sensing. The concept is based on multi-line triangulation. The aim is to evaluate a large number of projected lines (high data density) in a large measurement volume with high precision. Imple
Externí odkaz:
http://arxiv.org/abs/1406.2038
Phase Measuring Deflectometry (PMD) acquires the two components of the local surface gradient via a sequence of two orthogonal sinusoidal fringe patterns that have to be displayed and captured separately. We will demonstrate that the sequential proce
Externí odkaz:
http://arxiv.org/abs/1404.5727
Precise 3D measurements of rigid surfaces are desired in many fields of application like quality control or surgery. Often, views from all around the object have to be acquired for a full 3D description of the object surface. We present a sensor prin
Externí odkaz:
http://arxiv.org/abs/1401.1946
Flying Triangulation sensors enable a free-hand and motion-robust 3D data acquisition of complex shaped objects. The measurement principle is based on a multi-line light-sectioning approach and uses sophisticated algorithms for real-time registration
Externí odkaz:
http://arxiv.org/abs/1305.4168
We introduce "microdeflectometry", a novel technique for measuring the microtopography of specular surfaces. The primary data is the local slope of the surface under test. Measuring the slope instead of the height implies high information efficiency
Externí odkaz:
http://arxiv.org/abs/0710.4505
We present a novel method for reconstructing the shape of an object from measured gradient data. A certain class of optical sensors does not measure the shape of an object, but its local slope. These sensors display several advantages, including high
Externí odkaz:
http://arxiv.org/abs/0710.4278