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Preview Panoramas, Creating colour panoramas from navcams and pancam thumbnails
jamescanvin
post Oct 4 2006, 10:11 PM
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A preview of the Duck Bay panorama. smile.gif

Attached Image


QUOTE (fredk @ Oct 5 2006, 01:06 AM) *
Nice job - this is hand coloured, right?



QUOTE (Nix @ Oct 5 2006, 01:13 AM) *
I don't think so. It looks like James assembled this one from the tracking site thumbnails.

I'm glad to have that preview btw James. smile.gif I look forward to the official release next Friday..

Nico



QUOTE (Nirgal @ Oct 5 2006, 01:18 AM) *
but from the lens geometry it does look like a colorized sol952 navcam panorama smile.gif
Very good job on the colorization. kudos, James !
smile.gif



QUOTE (Nix @ Oct 5 2006, 01:26 AM) *
I'd say the opposite Bernhard, Navcam needs less frames to cover that area...

Nico


QUOTE (fredk @ Oct 5 2006, 01:35 AM) *
I see - he took the navcam pan as the red channel (it's response is dominated by IR/red, and resolution will be much sharper than L2 thumbs). Then he used the L7's and L5's that are down and the L7 and L5 thumbs for the remaining areas, scaled to navcam resolution.

I assume he blacked out portions of the navcam that are not covered by L5/7 - that's why we see 16 degree blocks.

Is that it, James?


Your all on the right track but not quite there.

To make this I took the thumbnails (64x64 each) from the tracking site and used the tracking data to create a Hugin pan file. (Note the rover quaternian appears a little off in the database at the moment so the horizon isn't flat.)

Then I ran my normal image matching / colouring software on the pan/images to create a full colour mini panorama.

Attached Image


This however has a much lower resolution than the existing navcams, so the next step is to use the pan as a colour layer over the navcam pan (also made using the tracking data so the two match in geometry.)

Then as Fred says, I cut out (poorly, must try harder next time.) just the coloured region from the navcam pan to retain the 'feel' of a pancam pan.



The good news is most of this happens automatically in my software, so you can all expect prompt 'preview' panoramas in the future before the full images are even downlinked from the rover. cool.gif

James


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