Augmented reality for mobile devices; A Museum Guide

Every visitor would like to embark on a virtual time journey into the past. Researchers have already set the stage for just such a journey, where visitors could take a stroll through historical sites.

Augmented Reality (AR) is one of the emerging technologies being used for enhancing user experience in many applications. Specific devices for various tasks are been replaced by Smart Phones making them a unique platform to implement all functionalities in one device. A group of researchers of University of Moratuwa consisting of Chethiya Abeysinghe, Varuna Jayasiri, Kasun Sandaruwan, Buddhi Wijerathna and supervised by Dr.Ajith Pasqual present a real-time AR framework for mobile devices that takes into consideration key technical challenges such as limited processing power and battery life. The framework is having four separate modules, Marker Detection, Identification, Camera pose calculation and Embedding visual information. A 2D pattern called a marker is used to uniquely identify the objects. The marker in the camera view is detected and tracked so that information contained in the marker is exploited. Tracked four corners of the marker are used to calculate the 6 DOF of camera position, which is further processed to place 3D graphics on the real scene with accurate rotation and translation. To demonstrate the capabilities of this AR Framework they have developed an application for iPhones, which highlights significant information in exhibits.

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