Warts, cracks, causal shape segmentation. Research on shape perception usually focuses on the estimation of local surface geometry through cues like stereopsis, shading, or texture. Here, we argue that observers use these shape estimates to infer other object… Read More
Isn’t it beautiful? Gustav Fechner is widely respected as a founding father of experimental psychology and psychophysics but fewer know of his interests and work in empirical aesthetics. In the later 1800s, toward the end of his career,… Read More
Category: Bloggery, MyScience Tags: aesthetics, beauty, fechner, form, golden section, hogarth, shape
The first piece of work in did in the “Todd Lab” at OSU. I had just come off five years at Pixar and a year back in grad school in the Architecture and Planning department. I wrote most of… Read More
Haptic and visual ‘contours’ It is well known that motion facilitates the visual perception of solid object shape, particularly when surface texture or other identifiable features (e.g., corners) are present. Conventional models of structure-from-motion require the presence of… Read More
Category: Bloggery, MyScience Tags: haptic, highlights, perception, shape, specular, touch, Vision
Touching. In three experiments participants haptically discriminated object shape using unimanual (single hand explored two objects) and bimanual exploration (both hands were used, but each hand, left or right, explored a separate object). Such haptic exploration (one versus… Read More
So much noise. A method for creating a variety of pseudo-random `noisy’ stimuli that possess several useful statistical and phenomenal features for psychophysical experimentation is outlined. These stimuli are derived from a pseudo-periodic function known as multidimensional noise…. Read More
Category: Bloggery, MyScience Tags: dg, differential geometry, geometry, glavens, mathematica, noise, randomness, shape, stimuli
What is a surface, anyway? Two experiments are reported in which we examined the ability of observers to identify landmarks on surfaces from different vantage points. In Experiment 1, observers were asked to mark the local maxima and… Read More
Category: Bloggery, MyScience Tags: differential geometry, dissertation, form, geometry, moore, P&P, perception, picasso, sculpture, shape
Veiled Virgin Stuff for VSS 2017
Category: Bloggery, MyScience Tags: drawing, shape, veiled virgin
A sparse implicit surface. It needs to be less sparse.
Category: Bloggery Tags: geometry, mathematica, shape, visualization
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