Per-pixel Classification Rebar Exposures in Bridge Eye-inspection

• URL: http://arxiv.org/abs/2004.12805v1
• Date: Wed, 22 Apr 2020 17:28:42 GMT
• Title: Per-pixel Classification Rebar Exposures in Bridge Eye-inspection
• Authors: Takato Yasuno, Nakajima Michihiro, and Noda Kazuhiro
• Abstract summary: We propose three damage detection methods of transfer learning which enables semantic segmentation in an image with low pixels. In this paper, we show the results applied using the 208 rebar exposed images on the 106 real-world bridges.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Efficient inspection and accurate diagnosis are required for civil infrastructures with 50 years since completion. Especially in municipalities, the shortage of technical staff and budget constraints on repair expenses have become a critical problem. If we can detect damaged photos automatically per-pixels from the record of the inspection record in addition to the 5-step judgment and countermeasure classification of eye-inspection vision, then it is possible that countermeasure information can be provided more flexibly, whether we need to repair and how large the expose of damage interest. A piece of damage photo is often sparse as long as it is not zoomed around damage, exactly the range where the detection target is photographed, is at most only 1%. Generally speaking, rebar exposure is frequently occurred, and there are many opportunities to judge repair measure. In this paper, we propose three damage detection methods of transfer learning which enables semantic segmentation in an image with low pixels using damaged photos of human eye-inspection. Also, we tried to create a deep convolutional network from scratch with the preprocessing that random crops with rotations are generated. In fact, we show the results applied this method using the 208 rebar exposed images on the 106 real-world bridges. Finally, future tasks of damage detection modeling are mentioned.

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