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Open3D: Crowd-Sourced Distributed Curation of City Models

Lu, Z; Guerrero, PA; Mitra, NJ; Steed, A; (2016) Open3D: Crowd-Sourced Distributed Curation of City Models. Web3D Symposium Proceedings 10.1145/2945292.2945302. Green open access

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Abstract

Detailed, large-scale 3D models of cities are important assets for many applications. While creating such models is difficult and time consuming, keeping them updated is even more challenging. In comparison, in many domains, crowd-sourcing of data is now an established process for expanding the scope or detail of data sets. In this paper, we describe the initial prototype implementation of Open3D, a crowd-sourcing platform for distributed curation of large-scale city models. We present an open architecture with interfaces that clearly separate model storage and indexing from viewing or editing. To support collaborative editing of extremely large models, we propose to use a modeling and model description paradigm that can integrate polygon-based modeling with parametric operations. We demonstrate the main concepts and prototype through an online city model that can be synchronously edited by multiple users, with live changes being propagated among clients. The main implementation consists of a set of web services, which support key functions such as model storage, locks for editing and spatial queries; a light-weight viewer based on the Cesium library, which runs on desktops and mobile devices; and a prototype editor, which clients can install to edit the models.

Type: Article
Title: Open3D: Crowd-Sourced Distributed Curation of City Models
Open access status: An open access version is available from UCL Discovery
DOI: 10.1145/2945292.2945302
Publisher version: http://dx.doi.org/10.1145/2945292.2945302
Language: English
Additional information: Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. c2016 Copyright held by the owner/author(s). This work is licensed under a Creative Commons Attribution International 4.0 licence.
Keywords: Collaborative editing, large 3D models, shape modeling, procedural edits, architecture
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/1502326
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