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 …

Quantum-inspired computational imaging

Y Altmann, S McLaughlin, MJ Padgett, VK Goyal… - Science, 2018 - science.org
BACKGROUND Imaging technologies, which extend human vision capabilities, are such a
natural part of our current everyday experience that we often take them for granted …

Computational periscopy with an ordinary digital camera

C Saunders, J Murray-Bruce, VK Goyal - Nature, 2019 - nature.com
Computing the amounts of light arriving from different directions enables a diffusely
reflecting surface to play the part of a mirror in a periscope—that is, perform non-line-of-sight …

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 …

Diffuse mirrors: 3D reconstruction from diffuse indirect illumination using inexpensive time-of-flight sensors

F Heide, L Xiao, W Heidrich… - Proceedings of the IEEE …, 2014 - cv-foundation.org
The functional difference between a diffuse wall and a mirror is well understood: one
scatters back into all directions, and the other one preserves the directionality of reflected …

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 …

Low-budget transient imaging using photonic mixer devices

F Heide, MB Hullin, J Gregson, W Heidrich - ACM Transactions on …, 2013 - dl.acm.org
Transient imaging is an exciting a new imaging modality that can be used to understand
light propagation in complex environments, and to capture and analyze scene properties …

Deep-inverse correlography: towards real-time high-resolution non-line-of-sight imaging

CA Metzler, F Heide, P Rangarajan, MM Balaji… - Optica, 2020 - opg.optica.org
Low signal-to-noise ratio (SNR) measurements, primarily due to the quartic attenuation of
intensity with distance, are arguably the fundamental barrier to real-time, high-resolution …

Phasor imaging: A generalization of correlation-based time-of-flight imaging

M Gupta, SK Nayar, MB Hullin, J Martin - ACM Transactions on Graphics …, 2015 - dl.acm.org
In correlation-based time-of-flight (C-ToF) imaging systems, light sources with temporally
varying intensities illuminate the scene. Due to global illumination, the temporally varying …

Femto-photography: capturing and visualizing the propagation of light

A Velten, D Wu, A Jarabo, B Masia, C Barsi… - ACM Transactions on …, 2013 - dl.acm.org
We present femto-photography, a novel imaging technique to capture and visualize the
propagation of light. With an effective exposure time of 1.85 picoseconds (ps) per frame, we …