Exploring photorealistic rendering for mixed reality on mobile devices

College

College of Computer Studies

Department/Unit

Software Technology

Document Type

Conference Proceeding

Source Title

Philippine Computing Science Congress

Publication Date

3-2019

Abstract

This work investigates the possibility of photorealistic rendering of virtual objects for mixed-reality applications on mobile devices. Photorealistic rendering refers to the process of seamlessly merging virtual objects into real-world scenes. Most systems implemented for this purpose require complex setups, heavy user input, and powerful hardware. Furthermore, very few of these systems have considered implementation for mobile devices, especially through global illumination, as mobile devices present limited computational power compared to modern desktop machines. The developed system renders virtual objects onto real scenes using physically based rendering approaches and global illumination in the form of path tracing. These rendering approaches were then evaluated in terms of photorealistic quality in the form of a qualitative survey and performance through performance testing on mobile devices  to gather which physically based rendering approaches produce the best results. Results show that it is indeed possible to implement photorealistic rendering on a mobile device that employs physically based rendering and global illumination, and that there are indeed better rendering approaches that produce better photorealistic rendering for mixed reality that can be implemented on limited mobile device hardware using the Unity Engine and its standard and compute shaders.

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Disciplines

Computer Sciences

Keywords

Mixed reality; Photo-realism

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