Arama ve Kurtarma Alanlarında Anlamsal Sınıflandırma için Nokta Tabanlı Derin Öğrenme Tekniklerinin Karşılaştırmalı Bir Çalışması

Yıl 2021, Cilt: 33 - ASYU 2020 Özel Sayısı, 57 - 66, 30.12.2021

Kaya Turgut Burak Kaleci

https://doi.org/10.7240/jeps.897306

Öz

Sel baskını, yangın ve zehirli madde yayılımı gibi felaketlerden sonra meydana gelen afet sonrası iç ortamlar, arama ve kurtarma ekipleri için ciddi riskler barındırabilir. Örneğin, binanın yapısal bütünlüğü bozulmuş ve insanlar ve hayvanlar için bazı zararlı maddeler mevcut olabilir. Arama ve kurtarma ekiplerinin bu risklerden korunmasını sağlayabilmek için robotlardan yararlanılabilir. Bununla birlikte, robotların bu zorlu ortamlarda ham algılayıcı verilerinden üst düzey bilgi üretmek için gelişmiş tekniklere sahip olması gerekir. Bu çalışma, Ulusal Standartlar ve Teknoloji Enstitüsü (NIST) tarafından önerilen arama kurtarma test alanlarında bulunan rampaların anlamsal sınıflandırması için nokta tabanlı derin öğrenme mimarilerinin olumlu ve olumsuz yönlerini araştırmayı amaçlamaktadır. Ayrıca robotlar için çok önemli bilgiler sağladıklarından dolayı duvarlar ve zeminde dikkate alınmıştır. Bu çalışmada, afet sonrası ortamlarda sıklıkla karşılaşılan kötü aydınlatma koşullarına karşı dayanıklı olan nokta bulutu verilerini kullanmayı tercih ettik. NIST arama ve kurtarma alanlarına benzer bir ortamdan alınan nokta bulutu verilerini içeren ESOGU RAMPS veri kümesini kullandık. Rampaların, duvarların ve zeminin anlamsal sınıflandırma performanslarını analiz etmek için PointNet, PointNet ++, Dinamik Grafik Evrişimli Sinir Ağı (DGCNN), PointCNN, Point2Sequence, PointConv ve Shellnet nokta tabanlı derin öğrenme mimarilerini seçtik. Test sonuçları, anlamsal sınıflandırma doğruluğunun tüm mimariler için %90'ın üzerinde olduğunu göstermektedir.

Anahtar Kelimeler

nokta tabanlı derin öğrenme, anlamsal sınıflandırma, NIST rampları, nokta bulutu verisi

Teşekkür

Bu çalışma ASYU2020_Akıllı Sistemlerde Yenilikler ve Uygulamaları Özel sayısı için değerlendirilmek üzere gönderilmiştir

A Comparative Study of Point-Based Deep Learning Techniques for Semantic Classification in Search and Rescue Arenas

Öz

Post-disaster indoor environments, which occur after calamities such as floods, fires, and poisonous material spread, could include serious risks for search and rescue teams. For example, the building's structural integrity could be corrupted, and some harmful substances for humans and animals could exist. Exploiting robots could prevent search and rescue teams from these risks. Nevertheless, robots need to possess advanced techniques to produce high-level information from raw sensor data in these harsh environments. This study aims to explore the positive and negative aspects of point-based deep learning architectures for the semantic classification of ramps in search and rescue test arenas, which are proposed by the National Institute of Standards and Technology (NIST). Also, we take into account walls and terrain since they can provide crucial information for robots. In this study, we opted to utilize point cloud data that is robust against lousy illumination conditions, which is frequently encountered in post-disaster environments. We used the ESOGU RAMPS dataset that contains point cloud data captured from a simulated environment similar to NIST search and rescue arenas. We selected PointNet, PointNet++, Dynamic Graph Convolutional Neural Network (DGCNN), PointCNN, Point2Sequence, PointConv, and Shellnet point-based deep learning architectures to analyze their performance for semantic classification of ramps, walls, and terrain. The test results indicate that accuracy of semantic classification is over 90% for all architectures.

Anahtar Kelimeler

point-based deep learning, semantic classification, NIST ramps, point cloud data

Kaynakça

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