IPB

Welcome Guest ( Log In | Register )

Stereograph Of Nebula
Harry
post Oct 23 2005, 10:53 AM
Post #1


Member
***

Group: Members
Posts: 134
Joined: 17-October 05
Member No.: 531



The following pictures are the synthesized stereographs for Eagle Nebula (originally taken by HST). Please view them with parallel eyes or crossed eyes.
For other planetary stereographs, visit;

http://139.134.5.123/tiddler2/stereographe...bula/nebula.htm
Attached thumbnail(s)
Attached Image
Attached Image
 
Go to the top of the page
 
+Quote Post
 
Start new topic
Replies
malgar
post Oct 23 2005, 05:35 PM
Post #2


Junior Member
**

Group: Members
Posts: 61
Joined: 5-June 05
From: 46.283N 11.433E :))
Member No.: 401



Hi Harry, I like very much your 3D works. I would like to visit the page that explains how to do that but it doesn't work.. sad.gif
How can I view this page?
http://139.134.5.123/tiddler2/stereographer/stereograph.htm

Bye,
Ale.
Go to the top of the page
 
+Quote Post
dilo
post Oct 23 2005, 08:44 PM
Post #3


Senior Member
****

Group: Members
Posts: 2492
Joined: 15-January 05
From: center Italy
Member No.: 150



Ciao, Malgar wink.gif . Some stereograms are really stunning and I'm intrigued by the method... congratulations, Harry!
About link malfunction, using windows, I'm able to see the page in the link, even if I'm required to insert my email adress in order to avoid spam (and t hen appear a "Comment/Enquiry Form" to be filled).
However, also in the link no clear explaination is done about method to extract/assign depth information... even if not said, visualization method should be "parallel eyes" but this limits images sizes! sad.gif
I do not easily visualize parallel eyes stereograms and I prefere crossed-eys... using this technique, nebulae/galaxies are realistic because luminous (closest) stars appear in the foreground. So I suspect they are wrongly showed in background in the original "parallel eyes" version... Harry, is possible to correct it?


--------------------
I always think before posting! - Marco -
Go to the top of the page
 
+Quote Post
Harry
post Oct 24 2005, 02:28 AM
Post #4


Member
***

Group: Members
Posts: 134
Joined: 17-October 05
Member No.: 531



QUOTE (dilo @ Oct 23 2005, 08:44 PM)
Ciao, Malgar  wink.gif . Some stereograms are really stunning and I'm intrigued by the method... congratulations, Harry!
About link malfunction, using windows, I'm able to see the page in the link, even if I'm required to insert my email adress in order to avoid spam (and t hen appear a "Comment/Enquiry Form" to be filled).
However, also in the link no clear explaination is done about method to extract/assign depth information... even if not said, visualization method should be "parallel eyes" but this limits images sizes!  sad.gif
I do not easily visualize parallel eyes stereograms and I prefere crossed-eys... using this technique, nebulae/galaxies are realistic because luminous (closest) stars appear in the foreground. So I suspect they are wrongly showed in background in the original "parallel eyes" version... Harry, is possible to correct it?
*

Probably the lack of explanations has made visitors confuse. Surely I didn't mentioned whether "parallel eyes" or "crossed eyes" should be applied for in the website. Actually some of pictures in the attached gallery are for "parallel eyes" and some others are for "crossed eyes"! I should have noted which method is applied for each pictures...

By the way I attached another synthesized stereographs (software: Stereographer, focus depth:=2, slide level:=3). Please view them with parallel eyes or crossed eyes you prefer.
Attached thumbnail(s)
Attached Image
Attached Image

 
Go to the top of the page
 
+Quote Post
dilo
post Oct 24 2005, 09:37 PM
Post #5


Senior Member
****

Group: Members
Posts: 2492
Joined: 15-January 05
From: center Italy
Member No.: 150



QUOTE (Harry @ Oct 24 2005, 02:28 AM)
...
By the way I attached another synthesized stereograph. Do you see it with parallel eyes or crossed eyes? (for me it is better or realistic to see it with parallel eyes.)
*

I tried both methods...
Also for this image, I prefere crossed eyes view for two reasons, both already mentioned: 1) Stars look closer than Horse nebula, as they should; 2) I'm not confortable with parallel eyes method, and I cannot perfectly focus in this way sad.gif .
Generally speaking, parallel eyes give the sensation to see an infinitely distant object (which is a clear benefit for these astronomical subjects) but have a great handicap related to the small images dimensions needed to see it (distance between images centers shouldn't exceed inter-ocular spacing, in fact I had to rescale them on the screen of my monitor..).
I suggest you to split your beatiful gallery in two sections, based on the method to be used.
Anyway, we all are asking the same thing to you: how did you extracted so "realistic" and detailed depth informations from original images???
The result is so amazing that I'm seriously thinking some kind of magic! laugh.gif


--------------------
I always think before posting! - Marco -
Go to the top of the page
 
+Quote Post
Harry
post Oct 26 2005, 02:06 AM
Post #6


Member
***

Group: Members
Posts: 134
Joined: 17-October 05
Member No.: 531



QUOTE (dilo @ Oct 24 2005, 09:37 PM)
I tried both methods...
Also for this image, I prefere crossed eyes view for two reasons, both already mentioned: 1) Stars look closer than Horse nebula, as they should; 2) I'm not confortable with parallel eyes method, and I cannot perfectly focus in this way  sad.gif .
Generally speaking, parallel eyes give the sensation to see an infinitely distant object (which is a clear benefit for these astronomical subjects) but have a great handicap related to the small images dimensions needed to see it (distance between images centers shouldn't exceed inter-ocular spacing, in fact I had to rescale them on the screen of my monitor..).
I suggest you to split your beatiful gallery in two sections, based on the method to be used.
Anyway, we all are asking the same thing to you: how did you extracted so "realistic" and detailed depth informations from original images???
The result is so amazing that I'm seriously thinking some kind of magic!  laugh.gif
*

I found some people prefer crossed eyes view and some other people don't. So I think I should prepare two types of stereograph, then he or she can choose parallel eyes view or crossed eyes view which he or she prefer. I modified previous my posts by adding stereographs for different viewing method.

The method I employed is for detecting the deviation from focal point on each spot of the original picture (for detail of that method, please visit: Focus Corrector.) However it can not distinguish whether that deviation is in front of or behind the focal point. Therefore the viewing method (i.e. parallel eyes or crossed eyes) applied for the stereograph depends on whether the focal point is in the foreground or background of original picture. That's why the stereographs for parallel eyes and crossed eyes are mixed promiscuously in my gallery. Following your suggestion, I'll modify my gallery by adding stereographs for different viewing method.
Go to the top of the page
 
+Quote Post

Posts in this topic
- Harry   Stereograph Of Nebula   Oct 23 2005, 10:53 AM
- - malgar   Hi Harry, I like very much your 3D works. I would ...   Oct 23 2005, 05:35 PM
|- - dilo   Ciao, Malgar . Some stereograms are really stunn...   Oct 23 2005, 08:44 PM
||- - Harry   QUOTE (dilo @ Oct 23 2005, 08:44 PM)Ciao, Mal...   Oct 24 2005, 02:28 AM
||- - Bob Shaw   Harry: I can do free-view cross-eyed quite easily...   Oct 24 2005, 09:12 PM
||- - dilo   QUOTE (Harry @ Oct 24 2005, 02:28 AM)... By t...   Oct 24 2005, 09:37 PM
|||- - Harry   QUOTE (dilo @ Oct 24 2005, 09:37 PM)I tried b...   Oct 26 2005, 02:06 AM
||- - ElkGroveDan   QUOTE (Harry @ Oct 24 2005, 02:28 AM)Do you s...   Oct 24 2005, 11:09 PM
||- - dilo   QUOTE (ElkGroveDan @ Oct 24 2005, 11:09 PM)I...   Oct 25 2005, 01:45 AM
||- - Harry   QUOTE (dilo @ Oct 25 2005, 01:45 AM)Hope Harr...   Oct 26 2005, 02:27 AM
|- - Harry   QUOTE (malgar @ Oct 23 2005, 05:35 PM)Hi Harr...   Oct 24 2005, 01:48 AM
- - Harry   Perhaps someone may think measuring the deviation ...   Oct 27 2005, 11:19 AM
|- - Bob Shaw   QUOTE (Harry @ Oct 27 2005, 12:19 PM)Perhaps ...   Oct 28 2005, 10:38 PM
|- - Rob Pinnegar   QUOTE (Bob Shaw @ Oct 28 2005, 04:38 PM)...I ...   Oct 29 2005, 05:32 AM
||- - Harry   QUOTE (Rob Pinnegar @ Oct 29 2005, 05:32 AM)T...   Oct 29 2005, 08:27 AM
||- - jamescanvin   QUOTE (Harry @ Oct 29 2005, 06:27 PM)The foll...   Oct 29 2005, 11:58 PM
||- - Harry   QUOTE (jamescanvin @ Oct 29 2005, 11:58 PM)Wh...   Oct 30 2005, 03:55 AM
||- - dilo   QUOTE (Harry @ Oct 30 2005, 03:55 AM)Of cours...   Oct 30 2005, 07:25 AM
||- - Harry   QUOTE (dilo @ Oct 30 2005, 07:25 AM)Wath beau...   Oct 31 2005, 12:19 AM
|- - Harry   QUOTE (Bob Shaw @ Oct 28 2005, 10:38 PM)It ma...   Oct 29 2005, 07:43 AM
- - Harry   The following images are the stereograph for Orion...   Oct 28 2005, 09:25 AM
- - malgar   Hey Harry, why don't you try it on Titan surfa...   Oct 30 2005, 06:45 PM
|- - Harry   QUOTE (malgar @ Oct 30 2005, 06:45 PM)Hey Har...   Oct 31 2005, 12:34 AM
|- - dilo   QUOTE (Harry @ Oct 31 2005, 12:34 AM)OK. But ...   Nov 1 2005, 12:21 PM
|- - Harry   Thank you for that anaglyph and letting know me th...   Nov 1 2005, 02:11 PM
|- - dilo   QUOTE (Harry @ Nov 1 2005, 02:11 PM)Thank you...   Nov 1 2005, 05:54 PM
|- - Harry   QUOTE (dilo @ Nov 1 2005, 05:54 PM)Pls, can y...   Nov 2 2005, 09:38 AM
|- - Harry   The following stereographs are for Titan's lan...   Nov 3 2005, 11:15 AM
|- - dilo   I like IC4406 and Cat's Eye Nebula, it seems t...   Nov 4 2005, 06:00 PM
|- - Harry   QUOTE (dilo @ Nov 4 2005, 06:00 PM)I like IC4...   Nov 5 2005, 11:21 AM
- - Harry   Stereoscopic V838 Monocerotis synthesized by Stere...   Nov 1 2005, 06:08 AM
|- - Bob Shaw   QUOTE (Harry @ Nov 1 2005, 07:08 AM)Stereosco...   Nov 2 2005, 10:41 PM
|- - Harry   QUOTE (Bob Shaw @ Nov 2 2005, 10:41 PM)Harry:...   Nov 3 2005, 11:52 AM
|- - Bob Shaw   QUOTE (Harry @ Nov 3 2005, 12:52 PM)Is that s...   Nov 3 2005, 04:21 PM
|- - Harry   QUOTE (Bob Shaw @ Nov 3 2005, 04:21 PM)Harry:...   Nov 4 2005, 12:10 PM
- - alan   QUOTE (Bob Shaw @ Oct 24 2005, 09:12 PM)I loo...   Nov 3 2005, 03:44 PM
|- - Harry   QUOTE (alan @ Nov 3 2005, 03:44 PM)I think I ...   Nov 4 2005, 12:33 PM
- - CosmicRocker   This discussion has caught my attention. How coul...   Nov 6 2005, 05:21 AM
|- - Harry   QUOTE (CosmicRocker @ Nov 6 2005, 05:21 AM)Th...   Nov 6 2005, 12:00 PM
- - Harry   Stereoscopic M27 (view: parallel eyes) synthesized...   Nov 7 2005, 10:51 AM
|- - dilo   Harry, I think this could be another great subject...   Nov 7 2005, 11:04 PM
|- - Harry   QUOTE (dilo @ Nov 7 2005, 11:04 PM)Harry, I t...   Nov 8 2005, 01:24 PM
|- - Harry   QUOTE (dilo @ Nov 7 2005, 11:04 PM)Harry, I t...   Nov 10 2005, 01:57 PM
- - CosmicRocker   Thank you for your explanation, Harry. After read...   Nov 8 2005, 02:43 AM
|- - Harry   QUOTE (CosmicRocker @ Nov 8 2005, 02:43 AM)Th...   Nov 8 2005, 01:50 PM
- - Astrophil   QUOTE Stereographer synthesizes the images for eye...   Nov 8 2005, 05:29 PM
|- - Harry   QUOTE (Astrophil @ Nov 8 2005, 05:29 PM)Ouch....   Nov 9 2005, 11:27 AM
- - Harry   Stereoscopic M17 (view: parallel/crossed eyes) syn...   Nov 9 2005, 11:58 AM
- - Harry   Stereoscopic Bubble Nebula (detail) synthesized by...   Nov 11 2005, 09:44 AM
- - Harry   Stereoscopic NGC3603 (view: parallel eyes) synthes...   Nov 12 2005, 09:53 AM
- - Harry   Stereoscopic Mars' landscape (view: parallel e...   Nov 14 2005, 01:21 AM
- - Harry   Stereograph of clouds on Mars synthesized by Ster...   Nov 14 2005, 12:30 PM
- - Harry   Stereoscopic NGC7027 (view: parallel eyes) synthes...   Nov 15 2005, 11:03 AM
- - Harry   Stereoscopic Egg Nebula (view: parallel eyes) synt...   Nov 16 2005, 11:50 AM
|- - dilo   Thanks for posting all these beautiful images, Ha...   Nov 16 2005, 07:51 PM
|- - Harry   QUOTE (dilo @ Nov 16 2005, 07:51 PM)Thanks fo...   Nov 17 2005, 11:16 AM
|- - dilo   Harry, you aren't able to visualize large ster...   Nov 17 2005, 08:55 PM
|- - Harry   QUOTE (dilo @ Nov 17 2005, 08:55 PM)Harry, yo...   Nov 18 2005, 12:39 PM
|- - dilo   Harry, image on the right is mine (happy you like ...   Nov 18 2005, 08:56 PM
|- - Harry   QUOTE (dilo @ Nov 18 2005, 08:56 PM)Harry, im...   Nov 19 2005, 01:37 PM
|- - dilo   Wow, Harry... thanks for posting parallel eyes...   Nov 19 2005, 07:34 PM
|- - Harry   QUOTE (dilo @ Nov 19 2005, 07:34 PM)Wow, Harr...   Nov 20 2005, 12:10 PM
- - Harry   Stereoscopic Helix Nebula (view: parallel eyes) sy...   Nov 21 2005, 10:43 AM
|- - dilo   I just started to use the stereographer program an...   Nov 22 2005, 09:34 PM
|- - Harry   QUOTE (dilo @ Nov 22 2005, 09:34 PM)I just st...   Nov 23 2005, 11:39 AM
|- - dilo   Again from Spitzer, NGC1333: crossed eyes (big): ...   Nov 25 2005, 07:23 AM
|- - Harry   QUOTE (dilo @ Nov 25 2005, 07:23 AM)Again fro...   Nov 25 2005, 01:31 PM
- - Harry   Based on the image of NGC1333 taken by Spitzer, I ...   Nov 26 2005, 12:29 PM
|- - dilo   Now I see... slide level introduce a variation (wi...   Nov 26 2005, 04:24 PM
|- - Harry   QUOTE (dilo @ Nov 26 2005, 04:24 PM)Now I see...   Nov 27 2005, 11:55 AM
- - Harry   Stereoscopic supernova remnant (view: parallel eye...   Nov 30 2005, 11:11 AM
- - Harry   Stereoscopic Crab Nebula (view: parallel eyes) syn...   Dec 2 2005, 10:35 AM
|- - dilo   QUOTE (Harry @ Dec 2 2005, 10:35 AM)Stereosco...   Dec 10 2005, 06:27 PM
|- - Harry   QUOTE (dilo @ Dec 10 2005, 06:27 PM)Same imag...   Dec 11 2005, 01:45 PM
- - Harry   Stereograph for jettisoned external fuel tank of S...   Dec 5 2005, 10:09 AM
|- - Toma B   QUOTE (Harry @ Dec 5 2005, 01:09 PM)Stereogra...   Dec 5 2005, 10:16 AM
|- - Harry   QUOTE (Toma B @ Dec 5 2005, 10:16 AM)WOW ...   Dec 6 2005, 01:00 PM
|- - Harry   And this is the stereograph for full-resolution im...   Dec 6 2005, 01:09 PM
|- - dilo   Protostar HH-34 (from VLT): And High-res Solar S...   Dec 7 2005, 12:11 AM
|- - Harry   QUOTE (dilo @ Dec 7 2005, 12:11 AM)Protostar ...   Dec 7 2005, 02:28 PM
|- - dilo   QUOTE (Harry @ Dec 7 2005, 02:28 PM)Wow, amaz...   Dec 7 2005, 09:40 PM
|- - Harry   QUOTE (dilo @ Dec 7 2005, 09:40 PM)Is a jet f...   Dec 8 2005, 02:23 PM
|- - dilo   Harry, very interesting results on Titan panorama;...   Dec 8 2005, 08:27 PM
|- - Harry   QUOTE (dilo @ Dec 8 2005, 08:27 PM)Harry, ver...   Dec 9 2005, 12:55 PM
- - Harry   The first picture is for the image of HH 30 taken ...   Dec 12 2005, 01:40 PM
- - Harry   Stereoscopic Bug Nebula (NGC 6302) synthesized by ...   Dec 13 2005, 01:48 PM
- - Harry   Stereoscopic Great Red Spot synthesized by Stereog...   Dec 15 2005, 01:50 PM
- - Harry   Stereoscopic Eta Carinae synthesized by Stereograp...   Dec 16 2005, 01:12 PM
|- - dilo   QUOTE (Harry @ Dec 16 2005, 01:12 PM)Stereosc...   Dec 16 2005, 08:01 PM
|- - Harry   QUOTE (dilo @ Dec 16 2005, 08:01 PM) Wow, Har...   Dec 17 2005, 02:07 PM
|- - dilo   QUOTE (Harry @ Dec 17 2005, 02:07 PM)...mmm, ...   Dec 17 2005, 08:28 PM
|- - Harry   QUOTE (dilo @ Dec 17 2005, 08:28 PM)No, only ...   Dec 18 2005, 11:53 AM
||- - malgar   QUOTE (Harry @ Dec 18 2005, 01:53 PM)As the r...   Jan 2 2006, 12:55 PM
||- - Harry   QUOTE (malgar @ Jan 2 2006, 12:55 PM)Hi Harry...   Jan 3 2006, 01:57 PM
|- - Harry   The following images are the Pwyll and its contour...   Dec 20 2005, 02:16 PM
- - Harry   Happy new year! The following image is the ...   Jan 2 2006, 11:16 AM
- - Harry   The following image is the stereograph of aurora (...   Jan 7 2006, 11:47 PM
- - Harry   The following image is the stereograph of aurora (...   Jan 7 2006, 11:50 PM
- - Harry   The following image is the stereograph of Sombrero...   Jan 16 2006, 01:17 PM
- - Harry   The following image is the stereograph of Boomeran...   Jan 17 2006, 09:10 AM
2 Pages V   1 2 >


Reply to this topicStart new topic

 



RSS Lo-Fi Version Time is now: 16th June 2024 - 03:02 AM
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.