A SPAD array captures the full first-order transient light transport matrix of a relay wall, and beamforming algorithms extract the second-order transient light transport matrix of the hidden scene, enabling relighting, direct/indirect separation, and dual photography.
Recent Advances in Imaging Around Corners
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Seeing around corners, also known as non-line-of-sight (NLOS) imaging is a computational method to resolve or recover objects hidden around corners. Recent advances in imaging around corners have gained significant interest. This paper reviews different types of existing NLOS imaging techniques and discusses the challenges that need to be addressed, especially for their applications outside of a constrained laboratory environment. Our goal is to introduce this topic to broader research communities as well as provide insights that would lead to further developments in this research area.
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Iterating the Transient Light Transport Matrix for Non-Line-of-Sight Imaging
A SPAD array captures the full first-order transient light transport matrix of a relay wall, and beamforming algorithms extract the second-order transient light transport matrix of the hidden scene, enabling relighting, direct/indirect separation, and dual photography.