Conference paper Open Access

Subjective quality assessment of textured human full-body 3D-reconstructions

Zioulis Nikolaos; Doumanoglou, Alexandros; Christakis, Emmanouil; Zarpalas, Dimitrios; Daras, Petros


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    "description": "<p>Geometry and texture resolution are two common system parameters of any modern volumetric 3D reconstruction pipeline. In tele-immersive applications, besides their apparent impact on the visual quality of the output 3D mesh, their absolute values implicitly influence the computational load of the whole tele-immersion pipeline from acquisition to 3D reconstruction, compression and transmission. Thus, tuning those parameters to an optimal combination has evident benefits. In this paper, we conduct a subjective experiment to assess the visual quality of textured human 3D-reconstructed meshes that are produced by a volumetric 3D reconstruction algorithm as a joint function of the geometry and texture resolution production parameters. The experiment is based on the forced choice pairwise comparison methodology on prerendered views of the real-time reconstructed meshes within the context of human performance capture. We analyze the pairwise comparison data and establish a ranking of the parameter space and, thus also, a mapping from the parameters to the subjective visual quality. The results of this study may be utilized to tune the parameters of the real-time 3D reconstruction pipeline, optimizing for the best balance between visual quality, bandwidth and overall performance.</p>", 
    "license": {
      "id": "CC-BY-4.0"
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    "title": "Subjective quality assessment of textured human full-body 3D-reconstructions", 
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    "keywords": [
      "Visual Quality Assessment", 
      "3D Reconstruction", 
      "Tele-immersion", 
      "Virtual Reality (VR)"
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    "publication_date": "2018-07-24", 
    "creators": [
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        "orcid": "0000-0002-7898-9344", 
        "affiliation": "CERTH/ITI, Centre for Research and Technology Hellas - Information Technologies Institute", 
        "name": "Zioulis Nikolaos"
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        "orcid": "0000-0002-4337-1720", 
        "affiliation": "CERTH/ITI, Centre for Research and Technology Hellas - Information Technologies Institute", 
        "name": "Doumanoglou, Alexandros"
      }, 
      {
        "affiliation": "CERTH/ITI, Centre for Research and Technology Hellas - Information Technologies Institute", 
        "name": "Christakis, Emmanouil"
      }, 
      {
        "affiliation": "CERTH/ITI, Centre for Research and Technology Hellas - Information Technologies Institute", 
        "name": "Zarpalas, Dimitrios"
      }, 
      {
        "affiliation": "CERTH/ITI, Centre for Research and Technology Hellas - Information Technologies Institute", 
        "name": "Daras, Petros"
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    "meeting": {
      "dates": "29 May - 01 June 2018", 
      "title": "International Conference on Quality of Multimedia Experience", 
      "acronym": "QoMEX", 
      "url": "https://www.qomex2018.org/", 
      "session": "OS5 \u2013 Video & 3D", 
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