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Sensing Indoor Spaces for Structured Reconstruction: Methods and Applications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Remote Sensors".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 3721

Special Issue Editors


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Guest Editor
Visual Computing Laboratory, ISTI-CNR, Pisa, Italy
Interests: computer graphics; rendering large meshes; geometry processing; shape reconstruction

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Guest Editor
Visual Computing Group, CRS4, Cagliari, Italy
Interests: computer vision; 3D indoor reconstruction; deep learning for indoor modeling

Special Issue Information

Dear Colleagues,

The last decade has witnessed an increasing effort in finding cost-effective methods for reconstructing indoor environments, a task with important applications in many fields. Digitization of indoor environments differs from the general scenario for at least two reasons. First, indoor spaces very often need a structured representation to be instrumental to applications such as the simulation of energy consumption, renovation planning, recovering of as-built conditions and so on. Second, indoor spaces can usually be characterized by features that can be used as assumptions to restrict the space of solutions, such as piecewise planarity or specific architectural priors. 

Despite the substantial progress made in the past decade, many research problems remain open, mainly due to the fact that man-made indoor environments are usually the combination of different structures, permanent or not, which give rise to complex scenes where a complete acquisition and its reconstruction in terms of functional elements is not trivial.

This Special Issue encourages authors, from academia and industry, to submit new research results regarding methods and applications for structured indoor reconstruction. The Special Issue topics include, but are not limited to:

  • Structured 3D reconstruction: what structured knowledge about the indoor space can we find beyond the pure geometry and appearance?
  • Automatic 3D modeling: effective and automatic techniques for 3D scene understanding and modeling
  • Large-scale solutions: approaches for multi-room and complex scenes, not limited to single or simple room scenes
  • Data-fusion techniques: combining visual and geometric inputs
  • Exploiting novel capture devices: exploring modern devices capabilities, such as spherical cameras or the latest rgb-d sensors
  • Exploiting data-driven approaches: exploiting novel deep learning techniques to address indoor reconstruction tasks
  • Content creation and photorealism: how do we create production-ready models and/or photorealistic rendering of the digitized areas?
  • Reasoning, Planning, and Interaction: how do we use structures to reason about physical and functional properties, and to anticipate activities in a dynamic environment, in order to enable the agent to act within it?
  • Applications and Systems: real-world systems, from capturing to 3D modeling
  • Exploring Indoor Spaces: modalities, metaphors, and devices to explore indoor models

Dr. Fabio Ganovelli
Dr. Giovanni Pintore
Guest Editors

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Keywords

  • Structured 3D reconstruction
  • Automatic 3D modeling
  • Large-scale solutions
  • Data-fusion techniques
  • Exploiting novel capture devices
  • Exploiting data-driven approaches
  • Content creation and photorealism
  • Reasoning, Planning, and Interaction
  • Applications and Systems
  • Exploring Indoor Spaces

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Published Papers (1 paper)

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Research

16 pages, 1821 KiB  
Article
Automatic Reconstruction of Multi-Level Indoor Spaces from Point Cloud and Trajectory
by Gahyeon Lim and Nakju Doh
Sensors 2021, 21(10), 3493; https://doi.org/10.3390/s21103493 - 17 May 2021
Cited by 17 | Viewed by 3008
Abstract
Remarkable progress in the development of modeling methods for indoor spaces has been made in recent years with a focus on the reconstruction of complex environments, such as multi-room and multi-level buildings. Existing methods represent indoor structure models as a combination of several [...] Read more.
Remarkable progress in the development of modeling methods for indoor spaces has been made in recent years with a focus on the reconstruction of complex environments, such as multi-room and multi-level buildings. Existing methods represent indoor structure models as a combination of several sub-spaces, which are constructed by room segmentation or horizontal slicing approach that divide the multi-room or multi-level building environments into several segments. In this study, we propose an automatic reconstruction method of multi-level indoor spaces with unique models, including inter-room and inter-floor connections from point cloud and trajectory. We construct structural points from registered point cloud and extract piece-wise planar segments from the structural points. Then, a three-dimensional space decomposition is conducted and water-tight meshes are generated with energy minimization using graph cut algorithm. The data term of the energy function is expressed as a difference in visibility between each decomposed space and trajectory. The proposed method allows modeling of indoor spaces in complex environments, such as multi-room, room-less, and multi-level buildings. The performance of the proposed approach is evaluated for seven indoor space datasets. Full article
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