our tangible and intangible heritage. The Indian Digital Heritage project highlighted the art, architecture and cultural legacy of the UNESCO World Heritage site of Hampi in Karnataka, the medieval capital of the Vijayanagara dynasty. Around 27 national institutes, academic and other research organizations participated in this endeavour which came to a successful conclusion in 2016.
Augmented Reality based Interactions with Physical Models of Monuments
One of the outcomes of the IDH project, ready for productizing was the technology to produce a 3D printed replica of a monument with a Mixed reality interface for a virtual walkthrough called a ViRaasat installation. Considering its novelty, the PMO directed DST to carry out a similar exercise on 5 monuments selected from across the country. The project was done by the premier Indian academic and research institute – the Indian Institute of Technology Delhi, partnering with CSIR-CBRI Roorkee and a tech startup Vizara Technologies as the implementing agency. The monuments were selected based on the diversity of India and the fact that the 3D data of monument sites were available with different government agencies. The five (5) Indian monuments, out of which four (4) are UNESCO World Heritage sites are the Kashi Vishwanath temple, Taj Mahal, Sun Temple Konark, Ramachandra Temple at Hampi and Rani Ki Vav, a stepwell in Gujarat. The technologies that were used in the project include Laser scanning, 3D modelling to create high-quality 3D Digital models of the Monument, 3D printing to develop true–scale replicas of the monument, Computer Vision, Projection and other Al–based techniques to enable AR–based interaction for a virtual walkthrough of the monument using laser pointers, gestures, game controllers and voice commands.
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