Hairy Glaven

Hairy elongated noisy stimulus.   The lines are surface normals, sampled across the object. They are generated using a continuous random method (sometimes called ‘noise’) and were used to test symmetry perception in 3D shape.      … Read More

Statistical Shape of 3D Objects.

Statistical distribution of shape on a 3D object.   A bell pepper from Norman et al. Each color represents a class of shape ala Koenderink’s “Shape Index”. The histogram below shows the distribution along with a key to the… Read More

3-D printer helps save dying baby

More fun things we could do with the lab’s printer: 3-D printer helps save dying baby – CNN.com. For the full NEJM article, see http://www.nejm.org/doi/full/10.1056/NEJMc1206319