{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,23]],"date-time":"2025-10-23T05:07:53Z","timestamp":1761196073872,"version":"build-2065373602"},"reference-count":73,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2020,1,23]],"date-time":"2020-01-23T00:00:00Z","timestamp":1579737600000},"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>Due to the considerable impact of clouds on the energy balance in the atmosphere and on the earth surface, they are of great importance for various applications in meteorology or remote sensing. An important aspect of the cloud research studies is the detection of cloudy pixels from the processing of satellite images. In this research, we investigated a stereographic method on a new set of Meteosat images, namely the combination of the high resolution visible (HRV) channel of the Meteosat-8 Indian Ocean Data Coverage (IODC) as a stereo pair with the HRV channel of the Meteosat Second Generation (MSG) Meteosat-10 image at 0\u00b0 E. In addition, an approach based on the outputs from stereo analysis was proposed to detect cloudy pixels. This approach is introduced with a 2D-scatterplot based on the parallax value and the minimum intersection distance. The mentioned scatterplot was applied to determine\/detect cloudy pixels in various image subsets with different amounts of cloud cover. Apart from the general advantage of the applied stereography method, which only depends on geometric relationships, the cloud detection results are also improved because: (1) The stereo pair is the HRV bands of the Spinning Enhanced Visible and InfraRed Imager (SEVIRI) sensor, with the highest spatial resolution available from the Meteosat geostationary platform; and (2) the time difference between the image pairs is nearly 5 s, which improves the matching results and also decreases the effect of cloud movements. In order to prove this improvement, the results of this stereo-based approach were compared with three different reflectance-based target detection techniques, including the adaptive coherent estimator (ACE), constrained energy minimization (CEM), and matched filter (MF). The comparison of the receiver operating characteristics (ROC) detection curves and the area under these curves (AUC) showed better detection results with the proposed method. The AUC value was 0.79, 0.90, 0.90, and 0.93 respectively for ACE, CEM, MF, and the proposed stereo-based detection approach. The results of this research shall enable a more realistic modelling of down-welling solar irradiance in the future.<\/jats:p>","DOI":"10.3390\/rs12030371","type":"journal-article","created":{"date-parts":[[2020,1,23]],"date-time":"2020-01-23T10:36:02Z","timestamp":1579775762000},"page":"371","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Cloud Detection Based on High Resolution Stereo Pairs of the Geostationary Meteosat Images"],"prefix":"10.3390","volume":"12","author":[{"given":"Sahar","family":"Dehnavi","sequence":"first","affiliation":[{"name":"Geomatics Engineering Faculty, K.N. Toosi University of Technology, Tehran 19967-15433, Iran"},{"name":"Institut f\u00fcr Meteorologie und Klimatologie, Leibniz Universit\u00e4t Hannover, 30419 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2731-9057","authenticated-orcid":false,"given":"Yasser","family":"Maghsoudi","sequence":"additional","affiliation":[{"name":"Geomatics Engineering Faculty, K.N. Toosi University of Technology, Tehran 19967-15433, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5190-3731","authenticated-orcid":false,"given":"Klemen","family":"Zak\u0161ek","sequence":"additional","affiliation":[{"name":"ROSEN group, Am Seitenkanal 8, 49811 Lingen, Germany"},{"name":"Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova 2, 1000 Ljubljana, Slovenia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4325-8741","authenticated-orcid":false,"given":"Mohammad Javad","family":"Valadan Zoej","sequence":"additional","affiliation":[{"name":"Geomatics Engineering Faculty, K.N. Toosi University of Technology, Tehran 19967-15433, Iran"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1869-6398","authenticated-orcid":false,"given":"Gunther","family":"Seckmeyer","sequence":"additional","affiliation":[{"name":"Institut f\u00fcr Meteorologie und Klimatologie, Leibniz Universit\u00e4t Hannover, 30419 Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vladimir","family":"Skripachev","sequence":"additional","affiliation":[{"name":"The Federal Center of Expertize and Analysis, Moscow, Russia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2020,1,23]]},"reference":[{"key":"ref_1","unstructured":"NASA (2020, January 19). 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