User contributions for NikosA
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- 04:55, 14 August 2016 diff hist +3 m IKONOS →Pan-Sharpening
- 04:54, 14 August 2016 diff hist +211 m IKONOS i.fusion.hpf
- 04:49, 14 August 2016 diff hist +239 m AddOns/GRASS 7/imagery added i.fusion.hpf
- 06:55, 30 July 2016 diff hist +199 m Team Nikos Alexandris, Tester and Add-Ons
- 14:06, 20 April 2016 diff hist +206 m AddOns/GRASS 7/imagery Added i.landsat8.swlst
- 16:04, 29 December 2015 diff hist 0 m GRASS Community Sprint Bonn 2016 →In person
- 16:02, 29 December 2015 diff hist +91 m GRASS Community Sprint Bonn 2016 →In person
- 22:20, 17 August 2015 diff hist +13 m Support Nikos Alexandris
- 22:17, 17 August 2015 diff hist +44 m Support Nikos Alexandris
- 22:04, 17 August 2015 diff hist +100 m Support Nikos Alexandris
- 07:58, 15 August 2015 diff hist +210 AddOns/GRASS 7/imagery i.nightlights.intercalibration
- 10:54, 16 May 2015 diff hist +3 m Temporal data processing s/series/aggregate in link for t.rast.aggregate
- 17:19, 8 May 2015 diff hist −2 m WorldView s/addon/cmd for i.pansharpen
- 17:15, 8 May 2015 diff hist +203 m WorldView added link to python script i.worldview.toar
- 12:13, 1 December 2014 diff hist +1,316 m Atmospheric correction →Introduction: Overview from DN to Spectral Reflectance values
- 19:27, 18 November 2014 diff hist +110 m User:NikosA →To Do: Added link to https://github.com/NikosAlexandris/i.worldview.toar current
- 19:24, 18 November 2014 diff hist +196 m Image processing →High Resolution Data: Added link to http://www.digitalglobe.com/sites/default/files/DigitalGlobe_Spectral_Response_1.pdf
- 20:28, 17 November 2014 diff hist +45 m QuickBird →Cleanup: Red and Blue might be swapped (older data)
- 20:26, 17 November 2014 diff hist +55 m QuickBird →Inside GRASS GIS: i.landsat.rgb for G6, i.colors.enhance for G7
- 20:23, 17 November 2014 diff hist +73 m QuickBird →Deriving Physical Quantities: Added reference to source for band parameters
- 20:19, 17 November 2014 diff hist +252 m QuickBird →Automatising Conversions: Added link to https://github.com/NikosAlexandris/i.quickbird.toar
- 20:14, 17 November 2014 diff hist +188 m IKONOS →Automatising Conversions: Added link to https://github.com/NikosAlexandris/i.ikonos.toar
- 20:08, 17 November 2014 diff hist +17 m User:NikosA →To Do
- 20:07, 17 November 2014 diff hist +94 m User:NikosA →To Do: Link to i.quickbird.toar (Python script for G7)
- 10:19, 16 November 2014 diff hist +182 m QuickBird →HPFA based sharpening: Link to external custom add-on implementing the HPFA image fusion technique (temporary)
- 17:06, 15 November 2014 diff hist +105 m User:NikosA →To Do: Link to i.ikonos.toar (Python script for G7)
- 08:04, 10 November 2014 diff hist +685 m Compile and Install →Installing dependencies: for Funtoo
- 07:47, 10 November 2014 diff hist +334 m User:NikosA ToDo
- 15:43, 7 November 2014 diff hist +172 m User:NikosA Link to https://github.com/NikosAlexandris/i.fusion.hpf.py
- 15:09, 3 November 2014 diff hist +344 m GRASS Python Scripting Library →r.mapcalc example: defining a moving window: moving window layout retouch
- 10:40, 24 October 2014 diff hist +175 m User:NikosA →High Pass Filter Additive Fusion
- 10:36, 24 October 2014 diff hist +71 m IKONOS Added link to working script i.fusion.hpf (for GRASS-GIS ver. 6.4)
- 08:05, 6 August 2014 diff hist +147 m QuickBird Added link to DG's Imagery Product Samples page
- 10:03, 16 November 2013 diff hist +1,002 m QuickBird →Pan Sharpening: HPFA-based sharpening example screenshots
- 19:30, 15 November 2013 diff hist +201 N File:Pan 04APR05050541-M2AS-000000186011 01 P001.jpg Fragment from the high resolution (0.7m) panchromatic image of the QuickBird acquisition "04APR05050541-X2AS_R1C1-000000186011_01_P001-Sri_Lanka-Kokilai_Lagoon" which is publicly available via the GLCF current
- 19:28, 15 November 2013 diff hist +274 N File:RGB HPF Sharpened Center Low Modulator Min.jpg Fragment from another HPFA Pan-Sharpened RGB composite image of the QuickBird acquisition "04APR05050541-X2AS_R1C1-000000186011_01_P001-Sri_Lanka-Kokilai_Lagoon" which is publicly available via the GLCF. Sharpening performed with "center=low" and "modu... current
- 19:27, 15 November 2013 diff hist +245 N File:RGB HPF Sharpened Default Parameters.jpg Fragment from the HPFA Pan-Sharpened RGB composite image of the QuickBird acquisition "04APR05050541-X2AS_R1C1-000000186011_01_P001-Sri_Lanka-Kokilai_Lagoon" which is publicly available via the GLCF. Sharpening performed with default parameters. current
- 19:26, 15 November 2013 diff hist +216 N File:RGB 04APR05050541-M2AS-000000186011 01 P001.jpg Fragment from the low resolution (2.8m) multi-spectral RGB composite image of the QuickBird acquisition "04APR05050541-X2AS_R1C1-000000186011_01_P001-Sri_Lanka-Kokilai_Lagoon" which is publicly available via the GLCF current
- 01:32, 15 November 2013 diff hist +322 N File:Bengkalis Island Landsat8 HPFA Sharpened RGB Red NIR Blue Max Crispness.jpg A Pan-Sharpened RGB composite based on the Red, the NIR and the Blue multi-spectral bands, as well as the corresponding Panchromatic image of a Landsat 8 acquisition over the Bengkalis Island, Indonesia (LC81260592013137LGN01), merged via the High Pass... current
- 01:31, 15 November 2013 diff hist +285 N File:Bengkalis Island Landsat8 HPFA Sharpened RGB Red NIR Blue Default Parameters.jpg A Pan-Sharpened RGB composite based on the Red, the NIR and the Blue multi-spectral bands, as well as the corresponding Panchromatic image of a Landsat 8 acquisition over the Bengkalis Island, Indonesia (LC81260592013137LGN01), merged via the High Pass... current
- 01:28, 15 November 2013 diff hist +107 N File:Bengkalis Island Landsat8 Panchromatic.jpg A Panchromatic band of a Landsat 8 acquisition over the Bengkalis Island, Indonesia (LC81260592013137LGN01) current
- 01:28, 15 November 2013 diff hist +164 N File:Bengkalis Island Landsat8 RGB Red NIR Blue.jpg An RGB composite based on the Red, the NIR and the Blue multi-spectral bands of a Landsat 8 acquisition over the Bengkalis Island, Indonesia (LC81260592013137LGN01) current
- 01:24, 15 November 2013 diff hist +1,177 m IKONOS →Pan-Sharpening: Section for the HPFA algorithm
- 02:00, 8 November 2013 diff hist +50 m User:NikosA
- 23:17, 28 October 2013 diff hist −80 m User:NikosA →ASTER L1B
- 23:13, 28 October 2013 diff hist +7,563 m User:NikosA Shell script to convert ASTER L1B DNs to Radiances/Reflectances
- 09:31, 14 October 2013 diff hist +1 m Map Reprojection s/r.in.ogr/r.in.gdal/
- 12:10, 12 August 2013 diff hist +398 m WorldView →Overview: Updated Intro
- 09:08, 12 August 2013 diff hist +79 m WorldView →Overview: Updated Intro
- 09:00, 12 August 2013 diff hist +16 m Image processing →High Resolution Data: added link to WorldView
- 09:13, 9 August 2013 diff hist +239 m Atmospheric correction →References: restructured, added link to NASA's "Atmospheric Correction Parameter Calculator"
- 12:48, 8 August 2013 diff hist +31 m GRASS GSoC 2012 Image Segmentation →SPOT5 scene: put code in <source lang="bash">
- 22:03, 6 August 2013 diff hist +31 m GRASS GSoC 2012 Image Segmentation →Ortho-photo: put code inside <source lang="bash">
- 21:51, 6 August 2013 diff hist +2,325 m Compile and Install Added a Funtoo section :-)
- 20:43, 4 August 2013 diff hist −59 m WorldView →Automatising Conversions: some "wrong" comment removed from script
- 20:41, 4 August 2013 diff hist −19 m WorldView →Automatising Conversions
- 20:39, 4 August 2013 diff hist +3,134 m WorldView →Deriving Physical Quantities: script added
- 20:36, 4 August 2013 diff hist +713 m WorldView →Overview: retouched
- 12:52, 4 August 2013 diff hist +129 m WorldView →Planetary Reflectance: some note added
- 12:50, 4 August 2013 diff hist +3 m WorldView →Inside GRASS GIS: s/IKONOS/WorldView
- 12:25, 4 August 2013 diff hist −1 m WorldView →Deriving Physical Quantities
- 12:24, 4 August 2013 diff hist +882 m WorldView →Deriving Physical Quantities: added band-specific radiometric parameters
- 12:09, 4 August 2013 diff hist +11,815 N WorldView scratching a WorldView related page
- 23:56, 2 August 2013 diff hist +156 m IKONOS →Modules overview: some re-structuring
- 23:53, 2 August 2013 diff hist +237 m IKONOS →Outside of GRASS: links to useful gdal tools
- 23:39, 2 August 2013 diff hist +3,983 m IKONOS →Pan-Sharpening: experimentally scripting pan-sharpening & rgb composition
- 15:52, 2 August 2013 diff hist +1 m QuickBird Some re-structuring
- 15:41, 2 August 2013 diff hist +647 m QuickBird →Overview: cleaning-up, enriching intro
- 15:01, 2 August 2013 diff hist +203 m IKONOS Some re-structuring
- 11:22, 2 August 2013 diff hist +3,102 m GRASS-Wiki Undo revision 19536 by Jambekebo (talk) Reverted back to normal.
- 23:26, 1 August 2013 diff hist +37 m Talk:Atmospheric correction Suggestion: make this page sensor-independent current
- 23:24, 1 August 2013 diff hist +15 m Atmospheric correction →Calculating radiance values: some prettifying
- 23:15, 1 August 2013 diff hist +819 m LANDSAT Some re-structuring, re-wording
- 22:47, 1 August 2013 diff hist +313 m IKONOS →References / Sources: some "Landsat" sources added
- 19:29, 31 July 2013 diff hist +2 m IKONOS →Post-Processing: some grammar... :-/
- 19:28, 31 July 2013 diff hist +415 m IKONOS →Post-Processing: some re-structuring
- 19:00, 31 July 2013 diff hist +72 IKONOS Some cleaning on the Head of the page
- 18:48, 31 July 2013 diff hist −61 m QuickBird →Deriving Physical Quantities: some left-over removed
- 17:35, 31 July 2013 diff hist +5,269 m Compile and Install Ubuntu Stuff that concern Ubuntu moved here from the generic "Compile and Install" page
- 17:34, 31 July 2013 diff hist −5,125 m Compile and Install →Ubuntu: Ubuntu related stuff moved to the "Ubuntu" page
- 15:48, 31 July 2013 diff hist +155 N File:IKONOS PanSharpening Three Inputs Rebalanced Three Methods.png Pan sharpening attempts (ihs, brovey, pca) using IKONOS DNs, Radiance and Reflectance values. RGB shown composites are Color Rebalanced (i.landsat.rgb -p). current
- 15:47, 31 July 2013 diff hist +135 N File:IKONOS PanSharpening Three Inputs Greyscaled Three Methods.png Pan sharpening attempts (ihs, brovey, pca) using IKONOS DNs, Radiance and Reflectance values. RGB shown composites are not re-balanced. current
- 10:50, 31 July 2013 diff hist +160 m QuickBird Categories, revised
- 10:38, 31 July 2013 diff hist −241 m QuickBird →Pre-Processing Overview: removed "attention" notice
- 10:38, 31 July 2013 diff hist +108 m QuickBird →Pre-Processing Overview: intro cleaned-up
- 10:01, 31 July 2013 diff hist +16 m QuickBird →Automatising Conversions: some re-wording...
- 09:59, 31 July 2013 diff hist +3,524 m QuickBird →Automatising Conversions: bash script for DN > Radiance > ToAR
- 13:52, 30 July 2013 diff hist +145 m QuickBird →Deriving Physical Quantities: added Band-Averaged Solar Spectral Irradiance as constants
- 13:36, 30 July 2013 diff hist −461 m QuickBird →Deriving Physical Quantities: conversion factors constants tables cleaned-up
- 11:04, 30 July 2013 diff hist +257 m QuickBird →Deriving Physical Quantities: in deriving physical units, 32-bit fp calculations are required
- 10:15, 30 July 2013 diff hist +7,828 m QuickBird Overall restructuring
- 09:29, 30 July 2013 diff hist +22 m IKONOS →Automatising Conversions: moved SZA setting out of the loop
- 09:21, 30 July 2013 diff hist +212 m IKONOS →Modules overview: first entries
- 09:16, 30 July 2013 diff hist +21 m IKONOS →Pre-Processing Overview: some hierarchy again
- 09:10, 30 July 2013 diff hist +15 m IKONOS →Pre-Processing Overview: some hierarchy
- 16:36, 29 July 2013 diff hist +135 m IKONOS →Example Instructions: some hierarchy
- 16:33, 29 July 2013 diff hist +176 m IKONOS →Example Instructions: loop rescaling 11-bit bands to 8-bit
- 16:28, 29 July 2013 diff hist +450 m IKONOS →Example Instructions: bash: repeat last command with string substitution
- 16:22, 29 July 2013 diff hist +62 m IKONOS →Spectral Radiance: set region, convert DNs to Radiance(s)
- 16:19, 29 July 2013 diff hist +661 m IKONOS →Importing data: creating another Mapset, copying over material and optionally renaming
