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 …
metrology using an active structured optical probe. We focus primarily on those active non …
Non-line-of-sight imaging
Emerging single-photon-sensitive sensors produce picosecond-accurate time-stamped
photon counts. Applying advanced inverse methods to process these data has resulted in …
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
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 …
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
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 …
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
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 …
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
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 …
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
Conventional sensor systems record information about directly visible objects, whereas
occluded scene components are considered lost in the measurement process. Non-line-of …
occluded scene components are considered lost in the measurement process. Non-line-of …
[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 …
invasive inspection of complex samples with current imaging technologies. We exploit the …
Learned feature embeddings for non-line-of-sight imaging and recognition
Objects obscured by occluders are considered lost in the images acquired by conventional
camera systems, prohibiting both visualization and understanding of such hidden objects …
camera systems, prohibiting both visualization and understanding of such hidden objects …