🚀 go-pugleaf

Hello Khoros users,

A project at the University of Amsterdam (Faculty of Environmental Sciences)
is now starting to investigate image processing techniques for the alpha-
sciences - archaeology, history, historical geography and the like. We will
be using KHOROS for the processing of aerial photographs, scanned texts etc.
To get off to a flying start, I would like to ask a few questions which I
hope will find response among some of you veteran KHOROS users:

1) Has anyone got experience with the processing of aerial photographs for
   archaeological purposes, know of literature that I should read, or can 
   point me in the right direction? My plan is to make an inventory of
   things-to-be-enhanced-or-filtered-out in typical aerial photographs,
   such as plough furrows, cloud shadows, differences in field reflectance
   etcetera, and then construct Khoros procedures to do it on a routine
   basis. 
2) Does anyone use Khoros in conjunction with a GIS? We plan to use the
   enhanced and (ortho-)rectified photographs in the GIS GRASS. Problems
   relating to the conversion between the two are bound to occur. Also,
   we would like to know if there is a smart way to assign geo-coordinates
   to the pixels of an image after it has been warped with the help of
   a cadastral map.
3) We discovered a bug in the way Khoros depicts some images. We are using
   an IBM RS6000 520H with an IBM GT4 graphics card, AIX 3.2.something and
   Xwindows. When we use 'editimage' and depict the sample images
   "lenna.254.xv" or "mandril.254.xv" the colors are all mixed up. This 
   does not happen with "flower.250.xv" or on other RS6000's that do not
   have a GT4 card. IBM have installed all the fixes they have got and
   cannot help us any further. It's really annoying. Can anybody help us?

Well, that's all for the moment...I'm looking forward to receiving lots
of mail!

Martijn van Leusen
Researcher, SURF-project 'image processing'
martijn@scanner.frw.uva.nl