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  1. Lucerne University of Applied Sciences and Arts Lucerne University of Applied Sciences and Arts
  2. Research Research
  3. Three-Dimensional Light Flow in Architectural Spaces and its Visual Interpretation Three-Dimensional Light Flow in Architectural Spaces and its Visual Interpretation

Three-Dimensional Light Flow in Architectural Spaces and its Visual Interpretation

An analysis of visual (experimental) vs. physical (measured/simulated) light distribution in architectural interiors in terms of contrast, shading, and colour.

Brief information

School:

Engineering and Architecture

Status:

Ongoing

Period:

01.01.2020 - 31.12.2021

Overview

A new method of expressing three-dimensional light flow in architectural spaces is presented using the RADIANCE volume photon mapping extension. This light transport simulation algorithm is not bound to surfaces and can therefore visualise the volumetric light distribution taking into account luminance, direction, and colour.

Our method derives a physical light field from this distribution, providing a reference for a series of experiments to evaluate the corresponding visual light field using human observers. The goal of these experiments is to determine the accuracy with which the observers can predict the physical light field given visual cues such as shading, contrast, and reflected colour on guage objects within a real scene.

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Facts

Type of project

Forschung

Internal organisations involved
  • CC Building Envelope
Funding
  • Ausland
  • Forschungsfinanzierung allgemein
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Persons involved: internal

Project manager
  • Roland Schregle
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Persons involved: external

External project manager
  • Nozomu Yoshizawa
External member of project team
  • Toshihide Okamoto

Publications

  • Presentation (conference/report/lectures) (2)

    • Schregle, Roland; Yoshizawa, Nozomu; Okamoto, Toshihide & Komazawa, Ken (21.08.2019). An Ongoing Visual Assessment of Three-dimensional Light Flow Expressed Through Volume Photon Mapping. 18th International RADIANCE Workshop, New York City, New York, USA.

    • Okamoto, Toshihide; Schregle, Roland & Yoshizawa, Nozomu (14.06.2019). Case Studies of a Three-Dimensional Expression of Coloured Light Flow Using Volume Photon Mapping. 29th Quadrennial Session of the CIE, Washington DC.

Brief information

School:

Engineering and Architecture

Status:

Ongoing

Period:

01/01/2020 - 12/31/2021

Project Head

Dr. Roland Schregle

Senior Research Associate

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Lucerne University of Applied Sciences and Arts


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CH- 6002 Luzern

+41 41 228 42 42

info@hslu.ch

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