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  1. Chapter and Conference Paper

    AR Contents Superimposition on Walls and Persons

    When it comes to visitors’ experiences at museums and heritage attr...

    João M. F. Rodrigues, Ricardo J. M. Veiga in Universal Access in Human-Computer Interac… (2019)

  2. Chapter and Conference Paper

    A Flexible Assessment Platform for Middle School Supported on Students Goals

    Rooted in many education system, assessment by written exams in a l...

    Pedro J. S. Cardoso, Roberto Lam in Universal Access in Human-Computer Interac… (2019)

  3. Chapter and Conference Paper

    Mobile Augmented Reality Framework - MIRAR

    The increasing immersion of technology on our daily lives demands for additional investments in various areas, including, as in the present case, the enhancement of museums’ experiences. One of the technologie...

    João M. F. Rodrigues, Ricardo J. M. Veiga in Universal Access in Human-Computer Interac… (2018)

  4. Chapter and Conference Paper

    GyGSLA: A Portable Glove System for Learning Sign Language Alphabet

    The communication between people with normal hearing with those having hearing or speech impairment is difficult. Learning a new alphabet is not always easy, especially when it is a sign language alphabet, whi...

    Luís Sousa, João M. F. Rodrigues in Universal Access in Human-Computer Interac… (2016)

  5. No Access

    Chapter and Conference Paper

    Retrieval of 3D Polygonal Objects Based on Multiresolution Signatures

    In this paper we present a method for retrieving 3D polygonal objects by using two sets of multiresolution signatures. Both sets are based on the progressive elimination of object’s details by iterative proces...

    Roberto Lam, J. M. Hans du Buf in Advances in Visual Computing (2011)

  6. No Access

    Chapter and Conference Paper

    Using Mathematical Morphology for Similarity Search of 3D Objects

    In this paper we use the erosion and dilation operators for characterizing 3D polygonal objects. The goal is to perform a similarity search in a set of distinct objects. The method applies successive dilations...

    Roberto Lam, J. M. Hans du Buf in Pattern Recognition and Image Analysis (2011)