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Reconstructing models from sprites[message #260628] Thu, 26 August 2010 04:12 Go to next message
SharkD

 
Messages:358
Registered:July 2003
I am testing whether it is possible to reconstruct a very rough model from the game sprite using the Arc 3D web service. Will let you know if the test was successful.

Here are the eight images I'm using as input:

http://i421.photobucket.com/albums/pp292/SharkD2161/JA2/M_WALK.png
Re: Reconstructing models from sprites[message #260828] Sat, 28 August 2010 05:31 Go to previous messageGo to next message
SharkD

 
Messages:358
Registered:July 2003
Well, it failed. I think they expect images of an object where the camera moves and the object and lighting remain fixed; whereas in the JA2 sprites the camera and lighting are fixed, but the object is rotated.

Disappointing. Sad

I started a thread at CGTalk to see if anyone could help.

[Updated on: Sat, 28 August 2010 05:44] by Moderator

Re: Reconstructing models from sprites[message #260835] Sat, 28 August 2010 07:45 Go to previous messageGo to next message
usrbid

 
Messages:1558
Registered:December 2008
Hi SharkD, Did you try manually removing the cyan shadow? For example use a fill function in MS Paint to make the shadow the same color as the background. Would that make a difference?


Re: Reconstructing models from sprites[message #260847] Sat, 28 August 2010 08:10 Go to previous messageGo to next message
SharkD

 
Messages:358
Registered:July 2003
I did try that, but it didn't help. There was an error message in the email reply they sent to me:

Quote:

The number of matched feature points could be low;
the images could be recorded in the wrong way (e.g. pure rotation);


I assume by "pure rotation" they mean the model was rotated instead of the camera.
Re: Reconstructing models from sprites[message #260857] Sat, 28 August 2010 08:42 Go to previous messageGo to next message
usrbid

 
Messages:1558
Registered:December 2008
Ugh, that sucks! Do they have a sample input file where their tool works? How does that one look? (Or maybe their tool never works...)


Re: Reconstructing models from sprites[message #260896] Sat, 28 August 2010 20:45 Go to previous messageGo to next message
SharkD

 
Messages:358
Registered:July 2003
There are two "3D photo gallery" and "Screenshots" links on the home page.
Re: Reconstructing models from sprites[message #260914] Sun, 29 August 2010 00:15 Go to previous messageGo to next message
usrbid

 
Messages:1558
Registered:December 2008
Hi SharkD, Well yah, I can see the examples on their home page as well, I was just wondering if you were able to make their program work at all, like run their sample stuff to see that the EXE is working, otherwise maybe it could be a configuration problem for example.

So the question is does their program work at all for you? Maybe what you have is broken?


Re: Reconstructing models from sprites[message #260927] Sun, 29 August 2010 07:10 Go to previous messageGo to next message
SharkD

 
Messages:358
Registered:July 2003
The program you download is only a small tool to upload images to their server. All the work gets done there instead of on your computer.
Re: Reconstructing models from sprites[message #261015] Mon, 30 August 2010 04:10 Go to previous messageGo to next message
SharkD

 
Messages:358
Registered:July 2003
I started another thread, here:

https://sourceforge.net/projects/meshlab/forums/forum/499533/topic/3830671
Re: Reconstructing models from sprites[message #276210] Sun, 20 March 2011 14:51 Go to previous messageGo to next message
SharkD

 
Messages:358
Registered:July 2003
Too bad I couldn't get it to work. It would have been an awesome concept!
Re: Reconstructing models from sprites[message #285208] Fri, 01 July 2011 16:20 Go to previous message
SharkD

 
Messages:358
Registered:July 2003
Asked for help here as well:

http://forums.cgsociety.org/showthread.php?p=7036203#post7036203
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