Using Colors to Detect Structural Components in Digital Pictures | Zendy

Abeid Neto Jorge | Zendy; Arditi David | Zendy; Evens Martha W. | Zendy

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Using Colors to Detect Structural Components in Digital Pictures

Author(s) -

Abeid Neto Jorge,

Arditi David,

Evens Martha W.

Publication year - 2002

Publication title -

computer‐aided civil and infrastructure engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.773

H-Index - 82

eISSN - 1467-8667

pISSN - 1093-9687

DOI - 10.1111/1467-8667.00253

Subject(s) - computer science , tracing , component (thermodynamics) , computer vision , process (computing) , artificial intelligence , context (archaeology) , set (abstract data type) , delphi , computer graphics (images) , paleontology , physics , biology , thermodynamics , programming language , operating system

This article describes a method of recognizing the presence of structural components in a digital picture taken at a construction site. The objective is to introduce image recognition into the construction management process in order to enhance the control of the performance at a construction site. The developed system can detect a component in a picture through its color and position. An algorithm capable of tracing the edges of a shape in a digital picture is introduced. A procedure to collect objects using this edge detector is presented. A complete description of procedures written in Delphi 5 to store a set of objects detected in a picture is included. The component‐recognition engine presented in this article is an important part of a system called PHOTO‐NET that was designed to monitor progress in a construction site and as such constitutes a unique application in the context of construction management.

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