Guest Editorial: Foreword to the special Issue of the XVII Symposium on Virtual and Augmented Reality – SVR 2015

This special issue of the JIS (SBC Journal on Interactive Systems) acknowledges the best papers of the XVII Symposium on Virtual and Augmented Reality (SVR 2015). SVR – the most important event on Virtual and Augmented Reality in Brazil in the last 17 years. Academic and professional members of the Brazilian Computer Society (SBC) support the conference since its beginning. To attend reader expectations, the selected papers come from different sub-areas of the Virtual and Augmented Reality. The developments introduced in the papers reflect important recent advances and achievements by the community. More specifically, this issue includes studies on crowd simulation, gesture driven interaction, the use of a camera as a pointing device, and tracking by applying grayscale conversion