ISPRS-Annals ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences ISPRS-Annals ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. 2194-9050 Copernicus Publications Göttingen, Germany 10.5194/isprs-annals-XI-1-2026-489-2026 Preface: Technical Commission I (Sensor Systems) Tang Xinming ¹ Tommaselli Antonio Maria Garcia https://orcid.org/0000-0003-0483-1103 ² Zhang Tao ³ 1 Southeast University, China 2 São Paulo State University, Brazil 3 Land Satellite Remote Sensing Application Center, Ministry of Natural Resources, China 03 07 2026 XI-1-2026 489 489 Copyright: © 2026 Xinming Tang et al. 2026 This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/ This article is available from https://isprs-annals.copernicus.org/articles/XI-1-2026/489/2026/isprs-annals-XI-1-2026-489-2026.html The full text article is available as a PDF file from https://isprs-annals.copernicus.org/articles/XI-1-2026/489/2026/isprs-annals-XI-1-2026-489-2026.pdf