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    Detecting Construction Equipment Using a Region-Based Fully Convolutional Network and Transfer Learning

    Source: Journal of Computing in Civil Engineering:;2018:;Volume ( 032 ):;issue: 002
    Author:
    Kim Hongjo;Kim Hyoungkwan;Hong Yong Won;Byun Hyeran
    DOI: 10.1061/(ASCE)CP.1943-5487.0000731
    Publisher: American Society of Civil Engineers
    Abstract: For proper construction site management and plan revisions during construction, it is necessary to understand a construction site’s status in real time. Many vision-based construction site-monitoring methods exist, but current technology has not achieved the accuracy required to robustly recognize objects such as construction equipment, workers, and materials in actual jobsite images. To address this issue, this paper proposes a deep convolutional network-based construction object-detection method to accurately recognize construction equipment. A deep convolutional network can achieve high performance in various visual tasks, but is not easy to be applied in the construction industry where there is not enough publicly available data for training. This problem is solved by transfer learning, which trains a model for the construction industry by transferring the knowledge of models trained in other domains with a large amount of training data. To evaluate the proposed method, a benchmark data set is created for five classes: a dump truck, excavator, loader, concrete mixer truck, and road roller. This benchmark data set includes various shapes and poses for each class to evaluate the generalization performance of the proposed construction equipment detection model. Experimental results show that the proposed method performs remarkably well, achieving 96.33% mean average precision. In the future, the proposed model can be used to infer the context of construction operations for producing managerial information such as progress, productivity, and safety.
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      Detecting Construction Equipment Using a Region-Based Fully Convolutional Network and Transfer Learning

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4248614
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    contributor authorKim Hongjo;Kim Hyoungkwan;Hong Yong Won;Byun Hyeran
    date accessioned2019-02-26T07:40:12Z
    date available2019-02-26T07:40:12Z
    date issued2018
    identifier other%28ASCE%29CP.1943-5487.0000731.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4248614
    description abstractFor proper construction site management and plan revisions during construction, it is necessary to understand a construction site’s status in real time. Many vision-based construction site-monitoring methods exist, but current technology has not achieved the accuracy required to robustly recognize objects such as construction equipment, workers, and materials in actual jobsite images. To address this issue, this paper proposes a deep convolutional network-based construction object-detection method to accurately recognize construction equipment. A deep convolutional network can achieve high performance in various visual tasks, but is not easy to be applied in the construction industry where there is not enough publicly available data for training. This problem is solved by transfer learning, which trains a model for the construction industry by transferring the knowledge of models trained in other domains with a large amount of training data. To evaluate the proposed method, a benchmark data set is created for five classes: a dump truck, excavator, loader, concrete mixer truck, and road roller. This benchmark data set includes various shapes and poses for each class to evaluate the generalization performance of the proposed construction equipment detection model. Experimental results show that the proposed method performs remarkably well, achieving 96.33% mean average precision. In the future, the proposed model can be used to infer the context of construction operations for producing managerial information such as progress, productivity, and safety.
    publisherAmerican Society of Civil Engineers
    titleDetecting Construction Equipment Using a Region-Based Fully Convolutional Network and Transfer Learning
    typeJournal Paper
    journal volume32
    journal issue2
    journal titleJournal of Computing in Civil Engineering
    identifier doi10.1061/(ASCE)CP.1943-5487.0000731
    page4017082
    treeJournal of Computing in Civil Engineering:;2018:;Volume ( 032 ):;issue: 002
    contenttypeFulltext
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