Us Hunters

Animals roam in the center while the hunters lie in waiting at the edges.

Touch-screen interactive application

The interactive application "Nosaltres Caçadors" (Us Hunters) offers a new experimental approach for the understanding of the prehistoric paintings in the caves near the city of Ulldecona, Spain.

Visitors to the Centre for the Interpretation of Prehistoric Paintings are greeted by a 2.4 x 1.8m display, where a hunting scene is being depicted using prehistoric style. One can see animals grazing, while hunters are waiting in hiding at the edges of the screen. By touching the screen, visitors can push the hunters toward the animals, with a slight tap activating the hunters to shoot their arrows.

Multiple visitors can work in tandem in order to encircle and kill their prey. The installation offers a new approach for understanding the prehistoric hunting tactics, allowing visitors to experiment and devise their own hunting strategies.

The application is based on an infrared image recognition system. Visitors are bathed in infrared light, invisible to the naked eye. A specialized camera detects the infrared signal and detects where visitors touch the screen, allowing for multiple points of contact. The vision information is then relayed to the presentation system (developed in Adobe Air), that is responsible for the visitor interaction.

The vision recognition system was designed in the Laboratory for Experimentation in Interactive Communication of Pompeu Fabra University (Barcelona, Spain) under Prof. Narcis Pares. The design and programming of the application was done by Stelios Kourakis.

The Hunters in pursuit.

The Hunters in pursuit.

Hunting scene.

Hunting scene.

Hunting scene.

Hunting scene.

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