Skeleton-based Motion Capture for Robust Reconstruction of Human Motion. - Lorna Herda; Pascal Fua; Ralf Plänkers; Ronan Boulic; Daniel Thalmann (CA, 2000)

An Automatic Method For Determining Quaternion Field Boundaries for Ball-and-Socket Joint Limits. - Lorna Herda; Raquel Urtasun; Pascal Fua; Andrew J. Hanson (FGR, 2002)

Automatic Determination of Shoulder Joint Limits Using Quaternion Field Boundaries. - Lorna Herda; Raquel Urtasun; Pascal Fua; Andrew J. Hanson (Int. J. Robotics Res., 2003)

Hierarchical Implicit Surface Joint Limits to Constrain Video-Based Motion Capture. - Lorna Herda; Raquel Urtasun; Pascal Fua (ECCV (2), 2004)

Hierarchical implicit surface joint limits for human body tracking. - Lorna Herda; Raquel Urtasun; Pascal Fua (Comput. Vis. Image Underst., 2005)