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File:Ahaggar Landsat 8 pan sharpened composite.jpg

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discarded one more input raster with clouds, added several which seem good in the extent used for this image. Switched to Brovey reweighting for panchromatic sharpening. Added histogram matching between input rasters (the change in color is noticeable, I think). Fixed an issue of missing values not
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by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
1478:+ 1 input raster; undid histogram matching (while fixing an error in weighted averaging), switched back to intensity-hue-saturation method for panchromatic sharpening, and changed scaling so that channels are not scaled separately 299: 305: 615: 219:
Aufnahmen aus dem Zeitraum 18 July 2013 – 2 March 2021, jeweils im Mittel um 10:05, Bereich 10:04–10:07. Der Sonnenstand rangiert im Bereich Azimuth 86°–155°, im Mittel 133°; Höhe 38°–69°, im Mittel 52°.
1641:. Bands 4, 3, 2 and 8 were combined into an RGB image. Co-registration, weighted averaging, and rescaling to extrema of the scenes was done in R with the package . JPEG-encoded with [https://github.... 165:. Bands 4, 3, 2 and 8 were combined into an RGB image. Panchromatic sharpening, conversion to radiance, weighted averaging, and rescaling to extrema of the scenes was done in R with the package 176:
Images acquired in the range 18 July 2013 – 2 March 2021, each at mean 10:05, range 10:04–10:07. The sun position range: azimuth 86°–155°, average 133°; elevation 38°–69°, average 52°.
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If you wish to use a specific version of the file without it being overwritten, please upload the required version as a separate file.
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The following pages on the English Knowledge use this file (pages on other projects are not listed):
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panchromatisch geschärft, gewichtet gemittelt, und auf die Extrema skaliert. JPEG-enkodiert mit
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increased number of input images to 49 while excluding a few; fixed a problem causing artefacts
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added one new input raster; removed one which had clouds; set gamma correction to power 1.3
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can overwrite this file from the same source. Please ensure that overwrites comply with
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Aus mehreren Landsat 8-Aufnahmen zusammengesetztes Satellitenbild des Ahaggar-Gebirges.
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I, the copyright holder of this work, hereby publish it under the following license:
1713: 261: 1633:, a volcanic mountain range in the central Sahara. The image is averaged from 32 1622: 1592: 1562: 1532: 1501: 1471: 1441: 1411: 1381: 453:
Satellite image of the Ahaggar mountains composited from several Landsat 8 scenes
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The person who associated a work with this deed has dedicated the work to the
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Click on a date/time to view the file as it appeared at that time.
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copyrighted, dedicated to the public domain by copyright holder
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copyrighted, dedicated to the public domain by copyright holder
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23° 15′ 39.85″ N, 5° 38′ 06.26″ E
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http://creativecommons.org/publicdomain/zero/1.0/deed.en
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This file may be updated to reflect new information.
198:, ein vulkanisches Gebirge in der zentralen Sahara. 116:
Commons is a freely licensed media file repository.
1733: 1723: 1693: 155:, a volcanic mountain range in the central Sahara. 409:Creative Commons Zero, Public Domain Dedication 97: 236: 142:Ahaggar Landsat 8 pan sharpened composite.jpg 139: 715:http://commons.wikimedia.org/User:Linus_Wolf 267: 257: 246: 14: 1289: 1244: 1199: 388:CC0 1.0 Universal Public Domain Dedication 1666:The following other wikis use this file: 1599:+ 1 input raster; slight gamma correction 1162:c169c0a63b87e8d5a38e1963e34b6079db09d842 371: 1418:increased number of input rasters to 54 1714:Utilisateur:KarimAohh/Brouillon/Hoggar 1388:increase number of input rasters to 58 383:This file is made available under the 314:View this and other nearby images on: 1631:The Ahaggar, also known as the Hoggar 1629:{{Information |description ={{en|1= 153:The Ahaggar, also known as the Hoggar 128: 366: 290: 196:Das Ahaggar, auch bekannt als Hoggar 1329: 204:-Aufnahmen, bereitgestellt von der 13: 466: 460: 452: 362: 189: 146: 129: 75: 1757: 465: 1650: 443: 376: 370: 339: 320: 306: 274: 96: 31: 21: 440: 377: 147: 1661: 1333: 439: 200:Das Bild ist gemittelt aus 58 190: 157:The image is averaged from 58 26: 1: 1063:coordinates of depicted place 1053:coordinates of depicted place 951:original creation by uploader 925:original creation by uploader 852:Universal Transverse Mercator 822:Universal Transverse Mercator 226:Projektion: UTM 31 N, WGS84. 182:Projection: UTM 31 N, WGS84. 1646: 1509:being excluded in averaging. 1078:23°15'39.848"N, 5°38'6.263"E 804:Creative Commons CC0 License 778:Creative Commons CC0 License 665:object of statement has role 604:object of statement has role 497:Items portrayed in this file 356: 229:Bildmitte: 769590, 2574870. 187:From WRS-2 Path 192 Row 044. 7: 1670:Usage on ceb.wikipedia.org 231:Aus WRS-2 Path 192 Row 044. 10: 1762: 1740:Usage on www.wikidata.org 1730:Usage on sv.wikipedia.org 1720:Usage on nl.wikipedia.org 1710:Usage on fr.wikipedia.org 1700:Usage on fa.wikipedia.org 1690:Usage on de.wikipedia.org 1680:Usage on cs.wikipedia.org 869:World Geodetic System 1984 826:World Geodetic System 1984 136: 131: 1330: 369: 251: 185:Center: 769590, 2574870. 16: 836:spatial reference system 818:spatial reference system 442: 103:This is a file from the 36: 1628: 1598: 1568: 1538: 1517:18:25, 24 December 2019 1507: 1477: 1447: 1417: 1396:04:03, 21 December 2020 1387: 239: 107:. 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245: 241:18 March 2019 235: 230: 227: 224: 221: 217: 215: 211: 207: 203: 197: 193: 186: 183: 180: 177: 174: 172: 168: 164: 160: 154: 150: 145: 138: 119: 112: 111: 106: 102: 95: 94: 88: 79: 78:Original file 70: 66: 62: 58: 54: 50: 44: 39: 33: 30: 28: 25: 23: 20: 18: 15: 1665: 1337: 1334:File history 672:photographer 608:photographer 485:Il\u00e2mane 431: 425: 401: 346: 332: 228: 225: 222: 218: 199: 191: 184: 181: 178: 175: 156: 148: 118:You can help 108: 76: 22:File history 1225:25,676,791 979:orientation 965:orientation 552:Mount Tahat 535:Tamanrasset 481:Mount Tahat 477:Tamanrasset 140:Description 1647:File usage 1624:Linus Wolf 1618:(22.35 MB) 1594:Linus Wolf 1588:(23.09 MB) 1564:Linus Wolf 1558:(23.47 MB) 1534:Linus Wolf 1528:(23.67 MB) 1503:Linus Wolf 1497:(25.35 MB) 1473:Linus Wolf 1467:(24.04 MB) 1443:Linus Wolf 1437:(24.37 MB) 1413:Linus Wolf 1407:(24.49 MB) 1383:Linus Wolf 1377:(24.49 MB) 1351:Dimensions 1116:image/jpeg 1101:media type 1091:media type 700:Linus Wolf 686:Linus 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120:. 86:) 71:.

Index

File
File history
File usage
Global file usage
File:Ahaggar Landsat 8 pan sharpened composite.jpg
600 × 600 pixels
240 × 240 pixels
480 × 480 pixels
768 × 768 pixels
1,024 × 1,024 pixels
2,048 × 2,048 pixels
8,751 × 8,751 pixels
Original file
Wikimedia Commons
description page there
You can help
The Ahaggar, also known as the Hoggar
Landsat 8
NASA
RStoolbox
Guetzli
Das Ahaggar, auch bekannt als Hoggar
Landsat 8
NASA
RStoolbox
Guetzli
Linus Wolf
surface reflectance
23° 15′ 39.85″ N, 5° 38′ 06.26″ E
Kartographer map based on OpenStreetMap.

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