COMBINATION OF THERMAL AND GEOMETRIC INFORMATION FOR BIM ENRICHMENT

Macher, H.; Boudhaim, M.; Grussenmeyer, P.; Siroux, M.; Landes, T.

In the context of building renovation, infrared (IR) cameras are widely used to perform the energy audit of buildings. They allow analysing precisely the energetic performances of existing buildings and thermal analyses represent a key step for the reduction of energy consumption. They are also used to assess the thermal comfort of people living or working in a building. Building Information Models (BIM) are widespread to plan the rehabilitation of existing buildings and laser scanning is now commonly used to capture the geometry of buildings for as-built BIM creation. The combination of thermographic and geometric data presents a high number and variety of applications (Lagüela and Díaz-Vilariño, 2016). However, geometric and thermal information are generally acquired separately by different building stakeholders and thermal analyses are performed with independence of geometry. In this paper, the combination of thermal and geometric information is investigated for indoor of buildings. The aim of the project is to create 3D thermographic point clouds based on data acquired by a laser scanner and a thermal camera. Based on these point clouds, BIM models might be enriched with thermal information through the scan-to-BIM process.

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Macher, H. / Boudhaim, M. / Grussenmeyer, P. / et al: COMBINATION OF THERMAL AND GEOMETRIC INFORMATION FOR BIM ENRICHMENT. 2019. Copernicus Publications.

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