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Title: 4D reconstruction of the past: The image retrieval and 3D model construction pipeline
Authors: Hadjiprocopis, Andreas 
Ioannides, Marinos 
Wenzel, Konrad 
Rothermel, Mathias 
Johnsons, Paul S. 
Fritsch, Dieter 
Doulamis, Anastasios D. 
Protopapadakis, Eftychios E. 
Kyriakaki, Georgia 
Makantasis, Konstantinos 
Weinlinger, Guenther 
Klein, Michael 
Fellner, Dieter W. 
Stork, André 
Santos, Pedro Carlos 
Keywords: 3D dense point clouds;4D Cultural Content Representation;Aug-mentation and Interaction;Open Access Image Repositories;Structure from Motion;Visual Content of Cultural Heritage;Visual Search
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 1-Jan-2014
Publisher: SPIE
Source: (2014) Proceedings of SPIE - The International Society for Optical Engineering, 9229, art. no. 922916; 2nd International Conference on Remote Sensing and Geoinformation of the Environment, RSCy 2014; Paphos; Cyprus; 7 April 2014 through 10 April 2014
Journal: Proceedings of SPIE - The International Society for Optical Engineering 
Conference: International Conference on Remote Sensing and Geoinformation of the Environment 
Abstract: One of the main characteristics of the Internet era we are living in, is the free and online availability of a huge amount of data. This data is of varied reliability and accuracy and exists in various forms and formats. Often, it is cross-referenced and linked to other data, forming a nexus of text, images, animation and audio enabled by hypertext and, recently, by the Web3.0 standard. Our main goal is to enable historians, architects, archaeolo- gists, urban planners and affiliated professionals to reconstruct views of historical monuments from thousands of images floating around the web. This paper aims to provide an update of our progress in designing and imple- menting a pipeline for searching, filtering and retrieving photographs from Open Access Image Repositories and social media sites and using these images to build accurate 3D models of archaeological monuments as well as enriching multimedia of cultural / archaeological interest with metadata and harvesting the end products to EU- ROPEANA. We provide details of how our implemented software searches and retrieves images of archaeological sites from Flickr and Picasa repositories as well as strategies on how to filter the results, on two levels; a) based on their built-in metadata including geo-location information and b) based on image processing and clustering techniques. We also describe our implementation of a Structure from Motion pipeline designed for producing 3D models using the large collection of 2D input images (>1000) retrieved from Internet Repositories.
ISBN: 978-162841276-5
ISSN: 0277-786X
DOI: 10.1117/12.2065950
Rights: © 2014 SPIE.
Type: Conference Papers
Appears in Collections:Δημοσιεύσεις σε συνέδρια/Conference papers

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