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IEEE CIR: 3D Non-Line-of-Sight Imaging Using Terahertz Signals

May 12 @ 5:30 PM - 7:00 PM MDT

Although traditional optical cameras can produce high-resolution pictures, using a terahertz (THz) camera, we can see objects that are not only in the direct line-of-sight but also occluded. This can inspire new applications ranging from autonomous navigation to wireless communications. In this talk, we propose a THz non-line-of-sight (NLoS) imaging method that can help us reveal invisible targets behind occlusions. This method takes advantage of wave scattering from LoS rough surfaces to transmit signals to the NLoS scene. We show that common building materials can perform similar to mirrors in the THz range such that an NLoS scene can be imaged via the signal specular reflections from them. However, this phenomenon also results in incorrect raw images as the NLoS objects would appear at the wrong locations with false orientations. Therefore, we introduce the mirror folding method which can account for the signal reflections and correct the raw images. We also demonstrate the proposed THz NLoS imaging approach using experiments in various scenarios. The results show that the hidden scene can be properly reconstructed with centimeter-scale resolution at several meters away. Speaker(s): Mr. Yiran Cui, 2155 East Wesley Avenue, Denver, Colorado, United States, 80208, Virtual: https://events.vtools.ieee.org/m/313816

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2022 IEEE IAS Petroleum and Chemical Industry Technical Conference (PCIC)

September 26 @ 8:00 AM - September 29 @ 5:00 PM MDT
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IEEE Green Technologies Conference 2023

April 19, 2023 @ 9:00 AM - April 21, 2023 @ 5:00 PM MDT
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2023 Region 5 Annual Meeting, Student Competitions, and Awards Banquet

April 21, 2023 @ 5:00 PM - April 23, 2023 @ 5:00 PM MDT
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Region 5 Student Competitions and Annual Meeting 2023

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