{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:40:08Z","timestamp":1760236808273,"version":"build-2065373602"},"reference-count":70,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2021,12,28]],"date-time":"2021-12-28T00:00:00Z","timestamp":1640649600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Hyperspectral pansharpening methods in the reflective domain are limited by the large difference between the visible panchromatic (PAN) and hyperspectral (HS) spectral ranges, which notably leads to poor representation of the SWIR (1.0\u20132.5 \u03bcm) spectral domain. A novel instrument concept is proposed in this study, by introducing a second PAN channel in the SWIR II (2.0\u20132.5 \u03bcm) spectral domain. Two extended fusion methods are proposed to process both PAN channels, namely, Gain-2P and CONDOR-2P: the first one is an extended version of the Brovey transform, whereas the second one adds mixed pixel preprocessing steps to Gain-2P. By following an exhaustive performance-assessment protocol including global, refined, and local numerical analyses supplemented by supervised classification, we evaluated the updated methods on peri-urban and urban datasets. The results confirm the significant contribution of the second PAN channel (up to 45% of improvement for both datasets with the mean normalised gap in the reflective domain and 60% in the SWIR domain only) and reveal a clear advantage for CONDOR-2P (as compared with Gain-2P) regarding the peri-urban dataset.<\/jats:p>","DOI":"10.3390\/rs14010113","type":"journal-article","created":{"date-parts":[[2021,12,28]],"date-time":"2021-12-28T06:55:03Z","timestamp":1640674503000},"page":"113","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Hyperspectral Pansharpening in the Reflective Domain with a Second Panchromatic Channel in the SWIR II Spectral Domain"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8791-3301","authenticated-orcid":false,"given":"Yohann","family":"Constans","sequence":"first","affiliation":[{"name":"Office National d\u2019\u00c9tudes et de Recherches A\u00e9rospatiales (ONERA), D\u00e9partement Optique et Techniques Associ\u00e9es (DOTA), Universit\u00e9 F\u00e9d\u00e9rale Toulouse, 31055 Toulouse, France"},{"name":"Universit\u00e9 Paul Sabatier (UPS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire Midi-Pyr\u00e9n\u00e9es (UPS)-Centre National d\u2019\u00c9tudes Spatiales (CNES), Institut de Recherche en Astrophysique et Plan\u00e9tologie (IRAP), Universit\u00e9 de Toulouse, 31400 Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8153-1740","authenticated-orcid":false,"given":"Sophie","family":"Fabre","sequence":"additional","affiliation":[{"name":"Office National d\u2019\u00c9tudes et de Recherches A\u00e9rospatiales (ONERA), D\u00e9partement Optique et Techniques Associ\u00e9es (DOTA), Universit\u00e9 F\u00e9d\u00e9rale Toulouse, 31055 Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3038-4079","authenticated-orcid":false,"given":"Michael","family":"Seymour","sequence":"additional","affiliation":[{"name":"Airbus Defence and Space, 31400 Toulouse, France"}]},{"given":"Vincent","family":"Crombez","sequence":"additional","affiliation":[{"name":"Airbus Defence and Space, 31400 Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8769-2446","authenticated-orcid":false,"given":"Yannick","family":"Deville","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Paul Sabatier (UPS)-Centre National de la Recherche Scientifique (CNRS)-Observatoire Midi-Pyr\u00e9n\u00e9es (UPS)-Centre National d\u2019\u00c9tudes Spatiales (CNES), Institut de Recherche en Astrophysique et Plan\u00e9tologie (IRAP), Universit\u00e9 de Toulouse, 31400 Toulouse, France"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1229-7396","authenticated-orcid":false,"given":"Xavier","family":"Briottet","sequence":"additional","affiliation":[{"name":"Office National d\u2019\u00c9tudes et de Recherches A\u00e9rospatiales (ONERA), D\u00e9partement Optique et Techniques Associ\u00e9es (DOTA), Universit\u00e9 F\u00e9d\u00e9rale Toulouse, 31055 Toulouse, France"}]}],"member":"1968","published-online":{"date-parts":[[2021,12,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"28","DOI":"10.1016\/j.apgeog.2006.09.004","article-title":"Remote sensing and GIS for mapping and monitoring land cover and land-use changes in the Northwestern coastal zone of Egypt","volume":"27","author":"Shalaby","year":"2007","journal-title":"Appl. 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