State-of-the-art active optical techniques for three-dimensional surface metrology: a review

AG Marrugo, F Gao, S Zhang - JOSA A, 2020 - opg.optica.org
This paper reviews recent developments of non-contact three-dimensional (3D) surface
metrology using an active structured optical probe. We focus primarily on those active non …

Non-line-of-sight imaging

D Faccio, A Velten, G Wetzstein - Nature Reviews Physics, 2020 - nature.com
Emerging single-photon-sensitive sensors produce picosecond-accurate time-stamped
photon counts. Applying advanced inverse methods to process these data has resulted in …

Megapixel time-gated SPAD image sensor for 2D and 3D imaging applications

K Morimoto, A Ardelean, ML Wu, AC Ulku, IM Antolovic… - Optica, 2020 - opg.optica.org
We present a 1 Mpixel single-photon avalanche diode camera featuring 3.8 ns time gating
and 24 kfps frame rate, fabricated in 180 nm CMOS image sensor technology. We designed …

Kinect range sensing: Structured-light versus Time-of-Flight Kinect

H Sarbolandi, D Lefloch, A Kolb - Computer vision and image …, 2015 - Elsevier
Abstract Recently, the new Kinect One has been issued by Microsoft, providing the next
generation of real-time range sensing devices based on the Time-of-Flight (ToF) principle …

Deeptof: off-the-shelf real-time correction of multipath interference in time-of-flight imaging

J Marco, Q Hernandez, A Munoz, Y Dong… - ACM Transactions on …, 2017 - dl.acm.org
Time-of-flight (ToF) imaging has become a widespread technique for depth estimation,
allowing affordable off-the-shelf cameras to provide depth maps in real time. However …

Non-line-of-sight imaging using a time-gated single photon avalanche diode

M Buttafava, J Zeman, A Tosi, K Eliceiri, A Velten - Optics express, 2015 - opg.optica.org
By using time-of-flight information encoded in multiply scattered light, it is possible to
reconstruct images of objects hidden from the camera's direct line of sight. Here, we present …

Seeing around street corners: Non-line-of-sight detection and tracking in-the-wild using doppler radar

N Scheiner, F Kraus, F Wei, B Phan… - Proceedings of the …, 2020 - openaccess.thecvf.com
Conventional sensor systems record information about directly visible objects, whereas
occluded scene components are considered lost in the measurement process. Non-line-of …

Single-shot ultrafast optical imaging

J Liang, LV Wang - Optica, 2018 - opg.optica.org
Single-shot ultrafast optical imaging can capture two-dimensional transient scenes in the
optical spectral range at≥ 100 million frames per second. This rapidly evolving field …

[HTML][HTML] Terahertz time-gated spectral imaging for content extraction through layered structures

A Redo-Sanchez, B Heshmat, A Aghasi, S Naqvi… - Nature …, 2016 - nature.com
Spatial resolution, spectral contrast and occlusion are three major bottlenecks for non-
invasive inspection of complex samples with current imaging technologies. We exploit the …

Learned feature embeddings for non-line-of-sight imaging and recognition

W Chen, F Wei, KN Kutulakos, S Rusinkiewicz… - ACM Transactions on …, 2020 - dl.acm.org
Objects obscured by occluders are considered lost in the images acquired by conventional
camera systems, prohibiting both visualization and understanding of such hidden objects …