Deflectometry for specular surfaces: an overview
Deflectometry as a technique to assess reflective surfaces has now existed for some 40
years. Its different aspects and variations have been studied in multiple theses and research …
years. Its different aspects and variations have been studied in multiple theses and research …
A brief review of the technological advancements of phase measuring deflectometry
This paper presents a short review for phase measuring deflectometry (PMD). PMD is a
phase calculation based technique for three-dimensional (3D) measurement of specular …
phase calculation based technique for three-dimensional (3D) measurement of specular …
Accurate eye tracking from dense 3d surface reconstructions using single-shot deflectometry
Eye-tracking plays a crucial role in the development of virtual reality devices, neuroscience
research, and psychology. Despite its significance in numerous applications, achieving an …
research, and psychology. Despite its significance in numerous applications, achieving an …
[HTML][HTML] Reflections about the holographic and non-holographic acquisition of surface topography: where are the limits?
G Häusler, F Willomitzer - Light: Advanced Manufacturing, 2022 - light-am.com
Recording and (computational) processing of complex wave fields offer a vast realm of new
methods for optical 3D metrology. We discuss fundamental similarities and differences …
methods for optical 3D metrology. We discuss fundamental similarities and differences …
Single-shot tof sensing with sub-mm precision using conventional cmos sensors
M Ballester, H Wang, J Li, O Cossairt… - arXiv preprint arXiv …, 2022 - arxiv.org
We present a novel single-shot interferometric ToF camera targeted for precise 3D
measurements of dynamic objects. The camera concept is based on Synthetic Wavelength …
measurements of dynamic objects. The camera concept is based on Synthetic Wavelength …
Towards self-calibrated lens metrology by differentiable refractive deflectometry
Deflectometry, as a non-contact, fully optical metrology method, is difficult to apply to
refractive elements due to multi-surface entanglement and precise pose alignment. Here, we …
refractive elements due to multi-surface entanglement and precise pose alignment. Here, we …
Optimization-based eye tracking using deflectometric information
Eye tracking is an important tool with a wide range of applications in Virtual, Augmented,
and Mixed Reality (VR/AR/MR) technologies. State-of-the-art eye tracking methods are …
and Mixed Reality (VR/AR/MR) technologies. State-of-the-art eye tracking methods are …
Surface measurement of a large inflatable reflector in cryogenic vacuum
The metrology of membrane structures, especially inflatable, curved, optical surfaces,
remains challenging. Internal pressure, mechanical membrane properties, and …
remains challenging. Internal pressure, mechanical membrane properties, and …
Synthetic Wavelength Imaging: Utilizing Spectral Correlations for High-Precision Time-of-Flight Sensing
F Willomitzer - … for Scene Understanding: Transient, Spectral, and …, 2024 - books.google.com
Optical three-dimensional (3D) imaging and ranging techniques have been used in
academia and industry for many years with great success. Fields of application include …
academia and industry for many years with great success. Fields of application include …
Exploiting wavelength diversity for high resolution time-of-flight 3D imaging
The poor lateral and depth resolution of state-of-the-art 3D sensors based on the time-of-
flight (ToF) principle has limited widespread adoption to a few niche applications. In this …
flight (ToF) principle has limited widespread adoption to a few niche applications. In this …