Proposed Website Architecture with Embedded Augmented Reality to Discover Cultural Heritage

Hussein, Harith A.; Maher, Saif Muhannad; Shuwandy, Moceheb Lazam; Hasoon, Armaneesa Naaman; Ahmed, M. A.; Salih, Mahmood Maher

doi:10.1007/978-3-031-25274-7_48

Cited by 1 publication

(1 citation statement)

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“…In general, the synergy of open-source JavaScript AR software such as AR.js with the Three.js library has a variety of applications in interior design [ 29 ], cultural heritage [ 30 ], synthetic visualizations [ 31 ] and education [ 32 , 33 ]. Nitika et al developed a WebRTC marker-based application with AR.js and Three.js to analyze web AR performance, examine potential rendering optimizations and proposing a cloud-based solution [ 34 ].…”

Section: Literature Reviewmentioning

confidence: 99%

Multi-Resolution 3D Rendering for High-Performance Web AR

Boutsi

Ioannidis

Verykokou

2023

Sensors

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In the context of web augmented reality (AR), 3D rendering that maintains visual quality and frame rate requirements remains a challenge. The lack of a dedicated and efficient 3D format often results in the degraded visual quality of the original data and compromises the user experience. This paper examines the integration of web-streamable view-dependent representations of large-sized and high-resolution 3D models in web AR applications. The developed cross-platform prototype exploits the batched multi-resolution structures of the Nexus.js library as a dedicated lightweight web AR format and tests it against common formats and compression techniques. Built with AR.js and Three.js open-source libraries, it allows the overlay of the multi-resolution models by interactively adjusting the position, rotation and scale parameters. The proposed method includes real-time view-dependent rendering, geometric instancing and 3D pose regression for two types of AR: natural feature tracking (NFT) and location-based positioning for large and textured 3D overlays. The prototype achieves up to a 46% speedup in rendering time compared to optimized glTF models, while a 34 M vertices 3D model is visible in less than 4 s without degraded visual quality in slow 3D networks. The evaluation under various scenes and devices offers insights into how a multi-resolution scheme can be adopted in web AR for high-quality visualization and real-time performance.

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