From: Petter Reinholdtsen Date: Sun, 1 May 2005 15:01:35 +0000 (+0000) Subject: Spread the images further. X-Git-Url: http://pere.pagekite.me/gitweb/homepage.git/commitdiff_plain/c01fa63aeaf1a3ac6c8634c152d9d1b13c6de2b7 Spread the images further. --- diff --git a/mypapers/drafts/geg2210/assignment-8.html b/mypapers/drafts/geg2210/assignment-8.html index 7e3d51987f..7f58d4eea9 100644 --- a/mypapers/drafts/geg2210/assignment-8.html +++ b/mypapers/drafts/geg2210/assignment-8.html @@ -12,14 +12,12 @@ Photogrammetry

Image enhancement, filtering and sharpening

- - - +

By Petter Reinholdtsen and Shanette Dallyn, 2005-05-01.

-

This exercuse was performed by logging into jern.uio.no using ssh -and runnign ERDAS Imagine. Started by using 'imagine' on the command +

This exercise was performed by logging into jern.uio.no using ssh +and running ERDAS Imagine. Started by using 'imagine' on the command line. The images were loaded from /mn/geofag/gggruppe-data/geomatikk/

We tried to use svalbard/tm87.img, but it only have 5 bands. We @@ -36,6 +34,11 @@ being analysed.

Evaluation of the different bands

+

+This image show the "true colour" version, with the blue range +assigned to the blue colour, green range to green colour and red range +to red colour.

+

band 1, blue (0.45-0.52 micrometer - um)

Visible light, and will display a broad range of values both over @@ -121,11 +124,13 @@ used:

+

Next, we tried to shift the frequencies displayed to use blue for the red band, green for the near ir band and red for the mid ir (1.55-1.75 um). With this composition, we get some changes in the colours of different features: +