165088 20251212165957.0 doi 10.1145/3680528.36875 sideral 146612 ART-2024-146612 eng Pueyo-Ciutad, Oscar Universidad de Zaragoza Time-Gated Polarization for Active Non-Line-Of-Sight Imaging 2024 We propose a novel method to reconstruct non-line-of-sight (NLOS) scenes that combines polarization and time-of-flight light transport measurements. Unpolarized NLOS imaging methods reconstruct objects hidden around corners by inverting time-gated indirect light paths measured at a visible relay surface, but fail to reconstruct scene features depending on their position and orientation with respect to such surface. We address this limitation (known as the missing cone problem) by capturing the polarization state of light in time-gated imaging systems at picosecond time resolution, and introducing a novel inversion method that leverages directionality information of polarized measurements to reduce directional ambiguities in the reconstruction. Our method is capable of imaging features of hidden surfaces inside the missing cone space of state-of-the-art NLOS methods, yielding fine reconstruction details even when using a fraction of measured points on the relay surface. We demonstrate the benefits of our method in both simulated and experimental scenarios. info:eu-repo/semantics/closedAccess All rights reserved http://www.europeana.eu/rights/rr-f/ info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Marco, Julio Universidad de Zaragoza (orcid)0000-0001-9960-8945 Schertzer, Stephane Christnacher, Frank Laurenzis, Martin Gutiérrez, Diego Redo-Sánchez, Albert Universidad de Zaragoza (orcid)0000-0002-0601-4820 5007 570 Universidad de Zaragoza Dpto. Informát.Ingenie.Sistms. Área Lenguajes y Sistemas Inf. 49 (2024), [11 pp.] Proc. ACM SIGGRAPH Proceedings of ACM SIGGRAPH 2376-1180 9087008 http://zaguan.unizar.es/record/165088/files/texto_completo.pdf Versión publicada 2851999 http://zaguan.unizar.es/record/165088/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:165088 articulos driver 2025-12-12-14:42:25 ARTICLE