P3D Stamps and Stereo

["Andrea Blair" <asblair@xxxxxxxxxxx>]

>>>>Andrea Blair wrote: ALthough this is a terrific reference for 3-D 
images, I believe the original comment was more along the lines of "why 
would you photograph a flat object (such as a painting - in this case, 
the Mona Lisa) in 3-D?". The same could be said for why photograph a 
postage stamp, or anything completely flat (i.e., no depth).<<<<

>>>>Bob Maxey wrote: Wait a second here, stamps are not flat. They have 
a paper texture, sometimes raised inks from printing and a watermark. 
Stereo has been used in the past to detect forged stamps by looking at 
the relationship of the watermark to the ink and/or paper.
So, leave stamps out of it, it ain't so.<<<<

Well, I'm glad the depth police are on patrol! My apologies for making 
such an obvious, foolish, no, no...downright stupid suggestion that 
stamps were flat! I didn't think we were discussing microstereography, 
just average shots. If you go to the level of atoms, *everthing* has 
depth, so we shouldn't exclude anything as being a good stereo subject. 
I guess then the answer to the original comment on taking a picture of 
the Mona Lisa in stereo would be "yes," so you can see the different 
layers of paint and the brushstrokes (comparing this to the the non-flat 
postage stamp and inks).

Andrea (Heck if I can see depth in my self-stick flag stamps) Blair

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