April 25, 2018
by chris
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Continuing from the previous post here as promised more examples for application of pixel statistics methods to Landsat and Sentinel-2 data and how this can help to produce more accurate colors. I have mentioned before that based on the spectral … Continue reading
April 21, 2018
by chris
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As regular readers of this blog know i have produced quite a few satellite image mosaic products over the past years and reviewed the work of others in that field as well. New products of this type have been introduced … Continue reading
April 20, 2018
by chris
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Today ten years ago the USGS started opening the full Landsat image archive as open data. Although this was not the first release of satellite imagery as open data – a selection of Landsat images was already opened before and … Continue reading
February 28, 2018
by chris
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Here two Winter impressions from Northern Europe – the first is from Northern Russia showing the city of Archangelsk: You can see the frozen Northern Dvina River and the likewise mostly frozen White Sea. Well visible in the low sun … Continue reading
February 23, 2018
by chris
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Some news on open data satellite images: I updated the satellite image coverage visualizations. Here is the matching coverage volume plot over time: There are several important things you can see in that: With Landsat 8 the USGS has for … Continue reading
February 12, 2018
by chris
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I produced a new cloud free satellite image mosaic of Crete in Winter: The image is based on Landsat data from 2016 to 2018. You can find it on services.imagico.de if you are interested in a license or print.
January 27, 2018
by chris
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Over the last days i added a number of images to the OSM images for mapping produced from Sentinel-2 and Landsat data. There are three new images for the Antarctic: McMurdo Bay area This image covers the McMurdo Sound, McMurdo … Continue reading
January 1, 2018
by chris
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A happy 2018 to all readers – with two recent images from the last year. From the southern hemisphere a Sentinel-3 OLCI image of the Falkland Islands And from the north a Landsat winter image of southern Iceland
November 15, 2017
by chris
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I have a somewhat different satellite image than usual here: This is a strip of nine Landsat scenes recording parts of Alaska in early Winter from a few days back. I rotated this to align roughly with the satellite recording … Continue reading
November 10, 2017
by chris
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Some news that might be of interest for some of my readers – without any attempt of completeness. The Sentinel-2 package format has changed – again. This change is rather small and will not significantly affect most users. The interesting … Continue reading
November 1, 2017
by chris
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About a year ago i wrote my report on the first year acquisitions of Sentinel-2 as well as for Landsat on a matching time frame. This was – and still is to my knowledge – the most detailed and accurate … Continue reading
October 29, 2017
by chris
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A few satellite image impressions from the last weeks showing islands in spring and autumn. First a view of southwest Iceland from just a few days ago: Then a clear weather glimpse of South Georgia in spring – with a … Continue reading