4D CAD model updating using image processing-based construction progress monitoring

Changyoon Kim, Byoungil Kim, Hyoungkwan Kim

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

For a four-dimensional (4D) computer-aided design (CAD) model to be useful for users throughout a construction project, the model must be updated in a timely and accurate manner during the construction. Only when it has been properly updated can the 4D CAD model reflect the real progress of a construction site to inform managerial decision making. However, updating a 4D CAD model is time-consuming and labor-intensive because the full updating process, from site data acquisition to 4D model regeneration, is typically conducted manually. This difficulty in updating a 4D model discourages industry practitioners from actively adopting 4D models. This paper presents an image processing-based methodology for the automatic updating of a 4D CAD model. Characterized by 3D CAD-based image mask filters, color-based noise removal, and area-based progress calculation, the image processing approach provides as-built schedule information. The schedule information is then automatically integrated with an existing 3D CAD model in batch-processing modes to produce the updated 4D CAD model. The proposed methodology was applied and verified in a cable-stayed bridge construction project and is expected to facilitate the wider use of 4D CAD models in the construction industry.

Original languageEnglish
Pages (from-to)44-52
Number of pages9
JournalAutomation in Construction
Volume35
DOIs
Publication statusPublished - 2013 May 7

Fingerprint

Computer aided design
Image processing
Monitoring
Cable stayed bridges
Construction industry
Masks
Data acquisition
Decision making
Personnel
Color

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Civil and Structural Engineering
  • Building and Construction

Cite this

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4D CAD model updating using image processing-based construction progress monitoring. / Kim, Changyoon; Kim, Byoungil; Kim, Hyoungkwan.

In: Automation in Construction, Vol. 35, 07.05.2013, p. 44-52.

Research output: Contribution to journalArticle

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