Specularity and Shape from Line Drawings
Indications of shape via specularity in line drawings.
PDF here: Mazzarella2014
Volumes
Doing a little work on a fluid-flow project with some folks here- Wrote a volume renderer for it, basically re-visiting work I did in 1986 at The OSU CGRG, which eventually was applied to stuff we did with the volume renderer at Pixar.
Big difference here- this is about 1 page of code. The OSU and Pixar volume renderer was significantly more nasty.
On Labradoodles and Fried Chicken
(21 March – Updated with more images…) I recently saw a post on twitter from @teenybiscuit, subsequently picked up by NPR here . You’ve probably seen it, dogs, muffins and a whole bunch of other things that look similar. I decided to check out how well Wolfram’s (nee Mathematica) ImageIdentify[] function would do with it. Super quickly, here it is. Basically a 50% or so hit rate (for loose definition of ‘hit’) and not a terrible false-alarm rate (10-15%). It’s really good at guac and parrots. And it sometimes thinks Donald Trump is a virus.
I’ve put an image of the Mathematica output below. There’s a link to the WolframCloud™® website with the actual notebook below the image.
Click on the link to take yourself to the notebook’s web page and see the whole thing if you’d like. The cloud servers are being particularly slow/annoying, so you may have to wait a bit for it to load.
Source: whatarethey.nb – Wolfram Mathematica Online
My eyes!
OK, just sort of messing around while making some stimuli for this experiment. I’m as creeped out as you are. I promise.
Gießen and the Virgin
Some early experiment data with the Veiled Virgin. I could explain it, but it would give away the study before we even started. So, you’ll have to just do your best to figure out what is going on for now.
Of course I’ll report back soon.
I’m changing things
Yes, this is that classic ‘under construction’ post.
I’m moving things around. Cleaning things up. Posting PDFs. Singing a little song.
Visual & Haptic Geometry of 3D Shape Discrimination
Phillips, F., O’Donnell, E. & Kernis, N. Visual and haptic geometry of 3D shape discrimination. Journal of Vision 15, 866–866 (2015). PDF
Some preliminary work on ‘where you look when you’re trying to discriminate 3D objects.’
Turns out, it’s different, depending on if you’re trying to match two visual objects than it is if you’re matching a visual object to a haptic object. This is true for both ‘local’ behavior (e.g., what you’re looking at) and ‘global’ behavior (e.g., how you look at the objects).