Search Results for author: Ji Hyun Nam

Found 6 papers, 0 papers with code

Physics to the Rescue: Deep Non-line-of-sight Reconstruction for High-speed Imaging

no code implementations3 May 2022 Fangzhou Mu, Sicheng Mo, Jiayong Peng, Xiaochun Liu, Ji Hyun Nam, Siddeshwar Raghavan, Andreas Velten, Yin Li

Computational approach to imaging around the corner, or non-line-of-sight (NLOS) imaging, is becoming a reality thanks to major advances in imaging hardware and reconstruction algorithms.

Towards Non-Line-of-Sight Photography

no code implementations16 Sep 2021 Jiayong Peng, Fangzhou Mu, Ji Hyun Nam, Siddeshwar Raghavan, Yin Li, Andreas Velten, Zhiwei Xiong

Non-line-of-sight (NLOS) imaging is based on capturing the multi-bounce indirect reflections from the hidden objects.

Virtual Light Transport Matrices for Non-Line-Of-Sight Imaging

no code implementations ICCV 2021 Julio Marco, Adrian Jarabo, Ji Hyun Nam, Xiaochun Liu, Miguel Ángel Cosculluela, Andreas Velten, Diego Gutierrez

The light transport matrix (LTM) is an instrumental tool in line-of-sight (LOS) imaging, describing how light interacts with the scene and enabling applications such as relighting or separation of illumination components.

Real-time Non-line-of-Sight imaging of dynamic scenes

no code implementations24 Oct 2020 Ji Hyun Nam, Eric Brandt, Sebastian Bauer, Xiaochun Liu, Eftychios Sifakis, Andreas Velten

Non-Line-of-Sight (NLOS) imaging aims at recovering the 3D geometry of objects that are hidden from the direct line of sight.

Super-Resolution Remote Imaging using Time Encoded Remote Apertures

no code implementations16 Jul 2020 Ji Hyun Nam, Andreas Velten

The spatial profile of a wave propagating between a scene and the imaging system is distorted by diffraction resulting in a loss of resolution that is proportional with traveled distance.

Super-Resolution

Virtual Wave Optics for Non-Line-of-Sight Imaging

no code implementations17 Oct 2018 Xiaochun Liu, Ibón Guillén, Marco La Manna, Ji Hyun Nam, Syed Azer Reza, Toan Huu Le, Diego Gutierrez, Adrian Jarabo, Andreas Velten

Since imaging information cannot be recovered from the irradiance arriving at the relay surface, we introduce the concept of the phasor field, a mathematical construct representing a fast variation in irradiance.

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