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(현대엔지니어링) (현대엔지니어링) (현대엔지니어링) (현대엔지니어링) (현대엔지니어링) (현대엔지니어링)
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(사)한국CDE학회 한국CDE학회 논문집 한국CDE학회 논문집 제25권 제4호
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    초록·키워드

    Although the Fourth Industrial Revolution comes to reality rapidly, construction industry is going through a difficult time to adopt new technologies. Also, improving productivity is one of the most urgent issues for major construction companies. However, reading information and digitizing them from imaged drawings takes much time and it becomes a reason for low productivity. Thus, in this paper, we propose a method to recognize symbols in P&ID (piping and instrumentation diagram) using neural networks for Semantic Segmentation. First, crop a drawing into small patches and label on them 8 classes of symbol. Then, Train U-net and FCN with 2,500 patches with annotation. After training, results of recognition are displayed with color code on imaged drawings. Finally, we run tests with 5 new P&ID drawings and scored the performance of our recognition models.

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      UCI(KEPA) : I410-ECN-0101-2021-530-001425271