My Assistant
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McMurdo Pan, Please post new images here |
Oct 23 2006, 08:22 AM
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#31
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1621 Joined: 12-February 06 From: Bergerac - FR Member No.: 678 |
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| Guest_Oersted_* |
Oct 24 2006, 08:02 PM
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#32
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Whoa, that panorama just goes on and on and on.... -Thx!
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| Guest_PhilCo126_* |
Oct 25 2006, 07:18 PM
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#33
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NASA-JPL posted the McMurdo ( color ) panorama to celebrate the 1000th sol !
http://photojournal.jpl.nasa.gov/catalog/PIA01907 Philip Corneille http://mars-literature.skynetblogs.be/ |
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Oct 26 2006, 01:47 PM
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#34
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Founder ![]() ![]() ![]() ![]() Group: Chairman Posts: 14457 Joined: 8-February 04 Member No.: 1 |
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Oct 27 2006, 06:20 AM
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#35
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Admin Posts: 3108 Joined: 21-December 05 From: Canberra, Australia Member No.: 615 |
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Oct 27 2006, 04:54 PM
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#36
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![]() Member ![]() ![]() ![]() Group: Members Posts: 239 Joined: 20-April 05 From: Bruxelles, Belgium Member No.: 278 |
it's not a pan but i think it's the good place to post this ...
McMurdo 3D Reconstruction ... Avi/Xvid ( 5.3 M ). 2N_AR00.avi and on YouTube http://www.youtube.com/watch?v=1NzRv5JuTvQ -------------------- |
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Oct 27 2006, 05:56 PM
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#37
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![]() Member ![]() ![]() ![]() Group: Members Posts: 239 Joined: 20-April 05 From: Bruxelles, Belgium Member No.: 278 |
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Oct 29 2006, 01:29 AM
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#38
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Member ![]() ![]() ![]() Group: Members Posts: 477 Joined: 2-March 05 Member No.: 180 |
Interesting - there seem to be some differences between the true color and false color images. And I don't mean the color.
I downloaded the full-res panoramas in TIF format, and made some crops from them. False Color True Color Switch back and forth between the two images. There appears to be changes in the structure of the track. Is this some kind of lighting trick, or just a processing/image matching error? (Bonus - change the extensions to .png for images without artifacts.) |
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Oct 29 2006, 02:25 AM
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#39
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
Part of the track shows up twice, some sort of processing error I assume.
edit I think I see what happened, they were trying to remove the multicolored shadow from this http://marswatch.astro.cornell.edu/pancam_..._L257_pos_3.jpg This post has been edited by alan: Oct 29 2006, 02:52 AM |
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Oct 29 2006, 05:07 AM
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#40
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Member ![]() ![]() ![]() Group: Members Posts: 477 Joined: 2-March 05 Member No.: 180 |
Ah, I see. Darn, kind of like those nifty shadows.
Future rovers need some kind of super-fast filter wheel, and a good memory buffer chip to quickly store the images before they are written to the slower flash RAM. You know, assuming that they don't have any other science to do that might need that monetary or mass budget allocation. |
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Oct 29 2006, 07:31 AM
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#41
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2492 Joined: 15-January 05 From: center Italy Member No.: 150 |
I think I see what happened, they were trying to remove the multicolored shadow from this http://marswatch.astro.cornell.edu/pancam_..._L257_pos_3.jpg Very good catch, guys! This means that these press release images aren't scientifically reliable... the trick il like the one we (the "Mars-4 fab") used to eliminate the broken mast in the Husband hill panorama. -------------------- I always think before posting! - Marco -
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Oct 29 2006, 09:40 AM
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#42
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![]() Member ![]() ![]() ![]() Group: Members Posts: 221 Joined: 25-March 05 Member No.: 217 |
Yes good catch guys I was looking at vanishing white pebble and didn't notice a whole section of track had been duplicated.
Roy F |
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Oct 29 2006, 11:16 AM
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#43
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3652 Joined: 1-October 05 From: Croatia Member No.: 523 |
Future rovers need some kind of super-fast filter wheel, and a good memory buffer chip to quickly store the images before they are written to the slower flash RAM. I don't think this is due to RAM speed. An image needs to be exposed, readout, compressed by a slowish processor and then stored in memory before the next one is taken. This takes time. -------------------- |
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Oct 29 2006, 12:13 PM
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#44
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Founder ![]() ![]() ![]() ![]() Group: Chairman Posts: 14457 Joined: 8-February 04 Member No.: 1 |
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Oct 29 2006, 04:22 PM
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#45
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
Very good catch, guys! This means that these press release images aren't scientifically reliable... Naughty, naughty. They are leaving themselves open to image manipulation charges from the Ho*gland followers and other kooks. Perhaps not with this specific image, but once you set the precedent of altering a true image, there's no going back. -------------------- If Occam had heard my theory, things would be very different now.
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