Duper Bowl Pong
A homage to the classic video game Pong. Android App.
Credits: Artur A. Gonçalves, Daniel Simões Lopes
Tangent vectors to a surface normal
Application of the Householder formula to compute tangent vector fields given the surface normals.
Lopes et al. Comp Aid Design, 45(3):683-694, 2013.
Algebraic Separation Condition for Ellipsoids
A proximity query that is expressed as an algebraic condition for realtime continuous contact detection for ellipsoids moving under rigid body transformations.
Wang et al. Comp Aid Geo Design, 18(6):531-539, 2001.
MATLAB® code to calculate the minimum distance between two ellipsoidal surfaces in a non-conformal rigid contact situation.
Lopes et al. Multibody Syst Dyn, 24(3):255-280, 2010.
Anisotropic Diffusion (Perona & Malik)
1,2,3-D signal filter that performs image enhancement and restoration based on the PDE of heat transfer.
Perona and Malik, IEEE Trans Pattern Anal Mach Intel, 12(7):629-639, 1990.
Contact Modeling with OpenSim: a User's Approach
SimTK project consisting of tutorials on how to integrate contact elements within a OpenSim model. Musculoskeletal modelers that wish to incorporate surface contact elements within a multibody model will find this project of their interest.
Manual Segmentation of Radial MRA Images
a tutorial on how to manually extract anatomical information of hip joint structures given a set of radial MRA images. Also feel free to explore the accompanying *blend file.