Changes between Initial Version and Version 1 of Processing/PixelSize


Ignore:
Timestamp:
Sep 14, 2007 6:39:14 PM (12 years ago)
Author:
mggr
Comment:

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  • Processing/PixelSize

    v1 v1  
     1= Choosing an appropriate pixel size =
     2
     3== Quick reckoner ==
     4|| '''Altitude (ft)''' || '''Pixel size (m)''' ||
     5|| < 3000 ft           || 1m ||
     6|| 3000 - 4000 ft      || 2m ||
     7|| 4000 - 6000 ft      || 2.5m ||
     8|| 6000 - 8000 ft      || 4m   ||
     9|| > 8000 ft           || 5m   ||
     10
     11Note that you should look at the azgcorr output to get a good idea of what your actual pixel sizes are, e.g.:
     12{{{
     13...
     14
     15Pixel spacing stats... along line...
     16   centre     min: 4.45 max: 5.04 ave: 4.64
     17   port       min: 0.35 max: 32.31 ave: 6.48
     18   starboard  min: 0.56 max: 35.08 ave: 6.77
     19   across line centre (pix 238): 4.11
     20}}}
     21
     22
     23---------
     24Add notes on:
     25 * -g interpolation
     26 * different sensor types and characteristics
     27   * specim non-square pixels (along track)