IPB

Welcome Guest ( Log In | Register )

Clouds in 3D, time to revisit an old topic?
ngunn
post Jun 6 2014, 01:35 PM
Post #1


Senior Member
****

Group: Members
Posts: 3516
Joined: 4-November 05
From: North Wales
Member No.: 542



The last time we discussed this, I think, was around the time of the UMSF balloon flight. The idea was to use images of clouds obtained at intervals fom an ascending balloon as stereo pairs. Horizontally separated successive images from a plane could potentially work the same way. I think someone (ugordan?) had a go at doing this. IIRC the enemy was - time. The clouds changed too much in the time interval necessary beween shots for good 3D images to be obtained.

But now we have the marvellous HDEV from the ISS, a very fast moving platform! Images separated by just a few seconds should be wide enough apart to use for 3D without the clouds themselves having time to change significantly. I can imagine a split screen view from the downward pointing camera, with a short delay on one side relative to the other. Viewing this as cross-eye should generate a 3-D movie showing not only clouds but also mountains rising upward toward the viewer.

Of course I haven't a clue how to accomplish this but I bet there are a few folks here who could, or maybe even have already. Does anybody else think it might be worth a go?
Go to the top of the page
 
+Quote Post
 
Start new topic
Replies
Gerald
post Jun 6 2014, 05:33 PM
Post #2


Senior Member
****

Group: Members
Posts: 2346
Joined: 7-December 12
Member No.: 6780



Thanks! (I won't make a movie.)

In this case I waited until the scene has moved 37% the width of the (uncropped raw) image. Unfortunately the camera switched rather frequently; that way it wasn't quite easy to grab a nice cloud with a long baseline.
Go to the top of the page
 
+Quote Post

Posts in this topic
- ngunn   Clouds in 3D   Jun 6 2014, 01:35 PM
- - Gerald   I'd guess, all you need to do, is to use two c...   Jun 6 2014, 02:12 PM
- - djellison   Take a couple of screenshots a few seconds apart a...   Jun 6 2014, 02:20 PM
- - Gerald   Enjoy (taken today during flight over Africa):   Jun 6 2014, 04:14 PM
- - ngunn   Brilliant! Well done. How many seconds gap d...   Jun 6 2014, 05:24 PM
- - Gerald   Thanks! (I won't make a movie.) In this c...   Jun 6 2014, 05:33 PM
- - JohnVV   I have not tried this yet, so..... Stereo pipelin...   Jun 6 2014, 08:42 PM
- - bill davis   I do 3-D clouds from the ISS frequently. I use Ste...   Jun 8 2014, 09:25 PM
|- - ngunn   That is truly spectacular. Please post more here a...   Jun 9 2014, 05:44 AM
- - bill davis   Thanks, the main problem in doing these stereo pic...   Jun 9 2014, 03:15 PM
|- - ngunn   QUOTE (bill davis @ Jun 9 2014, 04:15 PM)...   Jun 9 2014, 10:50 PM
- - ngunn   I found some more cloud anaglyphs here: http://www...   Jun 10 2014, 06:16 PM
- - bill davis   I think this kind of imagery would be useful for t...   Jun 11 2014, 01:14 AM
- - bill davis   Here is a website that runs the HD video from the ...   Aug 4 2014, 03:37 AM
- - ngunn   Great find! Thanks for posting.   Aug 4 2014, 03:34 PM
- - droidtoaster   Has this technique (multiple images from a single ...   Sep 17 2014, 03:28 AM
- - bill davis   I have not found any usable pairs from Jupiter yet...   Sep 17 2014, 04:24 AM
- - scalbers   Now that it's 2019 we can look at a stereo com...   Feb 26 2019, 12:34 AM
- - monty python   Someone call Brian May. He loves this stuff. I jus...   Feb 26 2019, 07:43 AM
- - scalbers   Yes - maybe when Brian M. returns from the Oscars ...   Feb 26 2019, 06:21 PM


Reply to this topicStart new topic

 



RSS Lo-Fi Version Time is now: 31st October 2024 - 11:00 PM
RULES AND GUIDELINES
Please read the Forum Rules and Guidelines before posting.

IMAGE COPYRIGHT
Images posted on UnmannedSpaceflight.com may be copyrighted. Do not reproduce without permission. Read here for further information on space images and copyright.

OPINIONS AND MODERATION
Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators.
SUPPORT THE FORUM
Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member.