TY - JOUR PY - 2023// TI - Study of the number of types on the identification method of bridge damage using CNN JO - Structural safety and reliability A1 - Yamada, Ryota A1 - Iwasaki, Atsushi A1 - Endo, Yoshihide A1 - Nakano, Kazuhisa A1 - Tsujimoto, Keisuke A1 - Yamagishi, Takatoshi SP - 328 EP - 329 VL - 10 IS - N2 - This study concerns a method for diagnosing bridge anomalies using machine learning. In this study, bridge abnormality diagnosis method using convolutional neural network (CNN) from acceleration responses is proposed. Spectrogram images of acceleration responses are applied to image classification by CNN. By classifying spectrograms for each bridge condition, bridge anomalies are detected and the condition is identified. In order to improve the accuracy of damage classification, a two-step classification method is used: first, a classification is performed in the major damage category, and then the sub-categories are identified within the major category. The two-step classification improved the accuracy of damage identification in the sub-category of girder damage, indicating that the two-step classification is effective in improving the identification accuracy of this method. Proceedings of the Japan Conference on Structural Safety and Reliability (JCOSSAR)
Language: en
LA - en SN - 2759-0909 UR - http://dx.doi.org/10.60316/jcossar.10.0_328 ID - ref1 ER -