Forum : Advice & Critiques

Can’t seem to get something to synth right? Curious about what lens is best? Ask your fellow Photosynthers here.


Topic: why does mine...?

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lateboy421 (Over 1 year ago)
my photo synth just turns out like a slide show what am i doing wrong
Nathanael (Over 1 year ago)
It's hard to say, amigo. Do you have any that I can look at? I took a look at your synths page but it says that you don't have any public synths yet, so I assume that you've either hidden or deleted them all.

Just so you're in the right neighbourhood of expectations, though, Photosynth means to reconstruct rigid objects. Things that change shape (people's faces, a flag waving in the wind, kids jumping on a trampoline) will not be able to be organised by Photosynth's current computer vision algorithms. 

Even a rigid object that is moving through a rigid environment can trip Photosynth up if there are enough shots of both the environment and the moving object. In the end, Photosynth will only reconstruct the environment or the object (or just make a subsynth for each 'object').
Nathanael (Over 1 year ago)
The path to success lies in finding something stationary to shoot. Don't worry about having people walking through your shots; they won't trip Photosynth up, so long as you have decent coverage of the building, tree, or whatever you're synthing. 

When I warn off of shooting moving objects above, I'm only saying that if you give Photosynth 200 photos of your family walking through a park and expect a 3D model of your family, that is not what you're going to get. If you took all of those photos in one part of the park and your shots are evenly spread out enough and overlap each other, then hopefully you'll get a model of that bit of the park, but not too much of the moving stuff is going to make the cut.

For more info, see the Photography Guide and brief Video Tutorial here: 
http://photosynth.net/howtosynth.aspx

If you have more questions, feel free to come back and ask more.
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