Search Results for author: Masahiro Okano

Found 7 papers, 0 papers with code

Disaster Anomaly Detector via Deeper FCDDs for Explainable Initial Responses

no code implementations5 Jun 2023 Takato Yasuno, Masahiro Okano, Junichiro Fujii

This study presents a new solution that offers a disaster anomaly detection application for initial responses with higher accuracy and devastation explainability, providing a novel contribution to the prompt disaster recovery problem in the research area of anomaly scene understanding.

Anomaly Detection Disaster Response +1

Wooden Sleeper Deterioration Detection for Rural Railway Prognostics Using Unsupervised Deeper FCDDs

no code implementations9 May 2023 Takato Yasuno, Masahiro Okano, Junichiro Fujii

The deeper fully-convolutional data descriptions (FCDDs) were applicable to several damage data sets of concrete/steel components in structures, and fallen tree, and wooden building collapse in disasters.

One-Class Classification

One-class Damage Detector Using Deeper Fully-Convolutional Data Descriptions for Civil Application

no code implementations3 Mar 2023 Takato Yasuno, Masahiro Okano, Junichiro Fujii

Furthermore, we propose a valuable solution of deeper FCDDs focusing on other powerful backbones to improve the performance of damage detection and implement ablation studies on disaster datasets.

MN-Pair Contrastive Damage Representation and Clustering for Prognostic Explanation

no code implementations15 Jan 2023 Takato Yasuno, Masahiro Okano, Junichiro Fujii

For infrastructure inspections, damage representation does not constantly match the predefined classes of damage grade, resulting in detailed clusters of unseen damages or more complex clusters from overlapped space between two grades.

Clustering Contrastive Learning +1

VAE-iForest: Auto-encoding Reconstruction and Isolation-based Anomalies Detecting Fallen Objects on Road Surface

no code implementations2 Mar 2022 Takato Yasuno, Junichiro Fujii, Riku Ogata, Masahiro Okano

We prototype a method that combines auto-encoding reconstruction and isolation-based anomaly detector in application for road surface monitoring.

Natural Disaster Classification using Aerial Photography Explainable for Typhoon Damaged Feature

no code implementations21 Apr 2020 Takato Yasuno, Masazumi Amakata, Masahiro Okano

This paper proposes a practical method to visualize the damaged areas focused on the typhoon disaster features using aerial photography.

General Classification

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