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Harvestman. Old stack, but now in 3D!

 
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Charles Krebs



Joined: 01 Aug 2006
Posts: 5805
Location: Issaquah, WA USA

PostPosted: Thu Sep 11, 2008 12:27 pm    Post subject: Harvestman. Old stack, but now in 3D! Reply with quote

This is an image posted just over a year ago. It is repeated here as a point of reference for what follows.

Nikon D200, Canon 35mm macro on bellows. 81 image stack.




The same 81 image stack was used to get the following:

Cross-eyed 3D image:
http://www.krebsmicro.com/forumpix/Harvest1_1600.jpg

3D web animation:
http://www.krebsmicro.com/forumpix/Harvestman_webani/3d_animation.htm

3D Quicktime movie (large file...8mb):
http://www.krebsmicro.com/forumpix/Harvest1.mov

These are "beta" and I didn't put too much time into them, but see what you think. Very Happy
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Graham Stabler



Joined: 20 Dec 2007
Posts: 209
Location: Swindon, UK

PostPosted: Thu Sep 11, 2008 2:18 pm    Post subject: Reply with quote

AWESOME!!
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 19323
Location: Richland, Washington State, USA

PostPosted: Thu Sep 11, 2008 2:30 pm    Post subject: Reply with quote

This is very interesting! I gather this is a new feature in Helicon Focus?

The subject is well suited to this technique -- no hairs or bristles, and only a few sharp spines to give away limitations. (Check out the ones on top of the head, in the animation.)

--Rik
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lauriek
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Joined: 25 Nov 2007
Posts: 2404
Location: South East UK

PostPosted: Thu Sep 11, 2008 3:23 pm    Post subject: Reply with quote

Interesting stuff! I checked the Helicon site, it doesn't look like this is available to the general public so far... So keep us up to date with your progress with it. Have you got any examples that didn't work?
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Charles Krebs



Joined: 01 Aug 2006
Posts: 5805
Location: Issaquah, WA USA

PostPosted: Thu Sep 11, 2008 4:13 pm    Post subject: Reply with quote

This one worked about the best of the stacks I've tried. As Rik surmised, it's not too great with "hairy" creatures. I'll post another that looked pretty good.

It should be on the Helicon site in a few days.
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P_T



Joined: 19 Jul 2008
Posts: 461
Location: Sydney, Australia

PostPosted: Thu Sep 11, 2008 6:05 pm    Post subject: Reply with quote

Ah, that's a real good application of the depthmap that was mentioned in the other thread. The limitation that I can see is that since it's made of a single surface, the legs and jaw seemed to be melded together and of course the hair bit that Rik mentioned.
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Graham Stabler



Joined: 20 Dec 2007
Posts: 209
Location: Swindon, UK

PostPosted: Fri Sep 12, 2008 3:01 am    Post subject: Reply with quote

It is as good as can be expected I think all you can ever get is a a surface like a sheet laid over the original object as that is all the information available, no under cuts are possible without further angles and some processing.

I works very well for things like coins!

Graham.
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beetleman



Joined: 04 Aug 2006
Posts: 3578
Location: Southern New Hampshire USA

PostPosted: Fri Sep 12, 2008 7:06 am    Post subject: Reply with quote

Beautiful work Charles. Very interesting stuff.
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Wim van Egmond



Joined: 15 Aug 2006
Posts: 826
Location: Berkel en Rodenrijs, the Netherlands

PostPosted: Sat Sep 13, 2008 7:25 am    Post subject: Reply with quote

It is interesting Charlie, but indeed the quality depends a bit on the subject. I have been making some 3D images using Helicon focus. I will put one in the micro forum.

Wim
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