[HTML][HTML] Fast non-line-of-sight imaging with high-resolution and wide field of view using synthetic wavelength holography
The presence of a scattering medium in the imaging path between an object and an
observer is known to severely limit the visual acuity of the imaging system. We present an …
observer is known to severely limit the visual acuity of the imaging system. We present an …
3D optical measurement techniques
T Engel - Measurement Science and Technology, 2022 - iopscience.iop.org
The field of optical 3D metrology is gaining significant interest in the past years. Optical
sensors can probe the geometry of workpieces and biological samples very fast, highly …
sensors can probe the geometry of workpieces and biological samples very fast, highly …
[HTML][HTML] Seeing around corners with edge-resolved transient imaging
Abstract Non-line-of-sight (NLOS) imaging is a rapidly growing field seeking to form images
of objects outside the field of view, with potential applications in autonomous navigation …
of objects outside the field of view, with potential applications in autonomous navigation …
[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 …
The role of Wigner distribution function in non-line-of-sight imaging
Non-Line-of-Sight imaging has been linked to wave diffraction by the recent phasor field
method. In wave optics, the Wigner Distribution Function description for an optical imaging …
method. In wave optics, the Wigner Distribution Function description for an optical imaging …
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 …
Intensity interferometry-based 3D imaging
The development of single-photon counting detectors and arrays has made tremendous
steps in recent years, not the least because of various new applications, eg, LIDAR devices …
steps in recent years, not the least because of various new applications, eg, LIDAR devices …
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 …
Speckled speckled speckle
J Dove, JH Shapiro - Optics Express, 2020 - opg.optica.org
Speckle is the spatial fluctuation of irradiance seen when coherent light is reflected from a
rough surface. It is due to light reflected from the surface's many nooks and crannies …
rough surface. It is due to light reflected from the surface's many nooks and crannies …