A practical appearance model for dynamic facial color. - Jorge Jimenez; Timothy Scully; Nuno Barbosa; Craig Donner; Xenxo Alvarez; Teresa Vieira; Paul Matts; Verónica Orvalho; Diego Gutierrez; Tim Weyrich (ACM Trans. Graph., 2010)

A Demo of a Dynamic Facial UI for Digital Artists. - Pedro Bastos; Xenxo Alvarez; Verónica Orvalho (INTERACT (4), 2011)

Sketch Express: Facial Expressions Made Easy. - José Carlos Miranda; Xenxo Alvarez; João Orvalho; Diego Gutierrez; A. Augusto de Sousa; Verónica Orvalho (SBIM, 2011)

Perceiving interactive sketching through facial expressions. - José Carlos Miranda; Xenxo Alvarez; José Soleno; António Augusto de Sousa; Irina Fernández; Verónica Orvalho (SAP, 2012)

A Facial Rigging Survey. - Verónica Orvalho; Pedro Bastos; Frederic I. Parke; Bruno Oliveira; Xenxo Alvarez (Eurographics (State of the Art Reports), 2012)

A demo of a facial UI design approach for digital artists. - Pedro Bastos; Xenxo Alvarez Blanco; Verónica Orvalho (IUI, 2012)

Sketch express: A sketching interface for facial animation. - José Carlos Miranda; Xenxo Alvarez; João Orvalho; Diego Gutierrez; A. Augusto de Sousa; Verónica Orvalho (Comput. Graph., 2012)

Achieving Participant Acceptance of their Avatars. - Kristopher J. Blom; Anna I. Bellido Rivas; Xenxo Alvarez; Ozan Cetinaslan; Bruno Oliveira; Verónica Orvalho; Mel Slater (Presence Teleoperators Virtual Environ., 2014)

Facial Expressions Tracking and Recognition: Database Protocols for Systems Validation and Evaluation. - Catarina Runa Miranda; Pedro Mendes; Pedro Coelho; Xenxo Alvarez; João Freitas; Miguel Sales Dias; Verónica Costa Orvalho (CoRR, 2015)

A Toolkit for Creating Intelligent Virtual Humans in Extended Reality. - Fariba Mostajeran; Ke Li 025; Sebastian Rings; Lucie Kruse; Erik Wolf; Susanne Schmidt 001; Michael Arz; Joan Llobera; Pierre Nagorny; Caecilia Charbonnier; Hannes Fassold; Xenxo Alvarez; et al. (VR Workshops, 2025)