Adding projection data to ENVI headers (GIMMS 3g example)
Once in a while you may need to take an unprojected file and add coordinate parameters to the header. Assuming you use ENVI, the hard way is to…
Author: Ian Brown
Forest fire tracking with Landsat-8
On July 31st a forest fire broke out in the Swedish county of Västmanland. The fire was quite large by Swedish standards covering an area described as 10…
The status of Hyperspectral missions
The sub-title to this post could easily be “reasons to love DLR #123 (transparency)”. You’ll see why in a moment. In this post I am going to do…
NASAs 2014 Budget: the launching of a crisis?
Following sequestration and bitter budget wars in Washington NASA find itself in a difficult position. NASA has proposed a budget of $17.715 billion, down from $17.893B last year.…
Remote Sensing at AGU (part II- vegetation time series)
In a previous post I talked about some of the remote sensing themes during the first half of the American Geophysical Union Fall meeting. Here I want to talk…
Remote Sensing at AGU (Part1))
The Fall Meeting of the American Geophysical Union is one of the largest annual gatherings of scientists. Some 22000 have descended on San Francisco to discuss topics from…
Landsat-8: how not to plan a mission (Part 2: the sensors)
In my previous post I described the difficult process that led to the launch of Landsat-8. Here I will comment on the two sensors, the Operational Land Imager…
Landsat-8: how not to plan a mission (Part 1: policy)
I was recently reading the 2012 article by James R. Irons and colleagues describing the Landsat-8 mission (or Landsat Data Continuity Mission, LDCM, as it was then called)¹.…
Freeware SAR processing, Part II: PolSARPro
In this post I’ll take you through some simple functions in the freeware polarimetric SAR processing package, PolSARPro. The software is distributed by the European Space Agency (ESA)…
Freeware SAR processing (Part 1.)
One thing about working with synethic aperture radar (SAR) data is that regular image processing functions are often unsuitable. This is because most processes were design to deal…
XML, KML and ENVI 5.1
At the moment I am beta testing ENVI 5.1 and have been working with the new Region of Interest (ROI) tool. The new tool looks good with some…
What is the synthetic aperture in “Synthetic Aperture Radar” (SAR)?
Talking to a colleague recently about monitoring changes to the magrove forest of the Rufiji Delta in tanzania, he commented on the relative scarcity of satellite data over…