Estimation system of construction equipment from field image by combination learning of its parts

Masato Fujitake, Takashi Yoshimi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)


This paper describes the development of a robust object recognition system which combines object's parts, for automatic construction equipment tracking camera on unmanned construction site. Although a construction equipment operator monitors manually and operates construction equipment through captured surveillance camera video in the worksite of unmanned construction, they need an automatic tracking system for construction equipment in order to work efficiently. Since there is difficulty of automation such as some parts of construction equipment are not captured in the video because of construction works, we have developed a robust system which recognizes construction equipment using combination of their parts. Before we start making whole system, we developed object recognition algorithm for construction equipment. The object: construction equipment, recognition algorithm discussed in this paper is developed based on estimating its type by combining its parts found in an image. This system has three features to realize the process: part extraction step, part recognition step and part combination step. The part extraction step extracts object candidates including parts of construction equipment from an input image. In the part recognition step, they are recognized and labeled. The part combination step combines the labeled data and estimates construction equipment's type using neural networks. Experimental results show that the system which combines parts of construction equipment is able to estimate its type even if some parts of it are hidden. We also describe its improvement in terms of the processing time.

Original languageEnglish
Title of host publication2017 Asian Control Conference, ASCC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages5
ISBN (Electronic)9781509015733
Publication statusPublished - 2018 Feb 7
Event2017 11th Asian Control Conference, ASCC 2017 - Gold Coast, Australia
Duration: 2017 Dec 172017 Dec 20

Publication series

Name2017 Asian Control Conference, ASCC 2017


Other2017 11th Asian Control Conference, ASCC 2017
CityGold Coast

ASJC Scopus subject areas

  • Control and Optimization


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