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- Mosberger, Rafael,1980-Örebro universitet,Institutionen för naturvetenskap och teknik (author)
Vision-based Human Detection from Mobile Machinery in Industrial Environments
- BookEnglish2016
Publisher, publication year, extent ...
- Örebro :Örebro university,2016
- 68 s.
- electronicrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:oru-48324
- ISBN:9789175291260
- https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-48324URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Series
- Örebro Studies in Technology,1650-8580 ;68
Notes
- The problem addressed in this thesis is the detection, localisation and tracking of human workers from mobile industrial machinery using a customised vision system developed at Örebro University. Coined the RefleX Vision System, its hardware configuration and computer vision algorithms were specifically designed for real-world industrial scenarios where workers are required to wear protective high-visibility garments with retro-reflective markers. The demand for robust industry-purpose human sensing methods originates from the fact that many industrial environments represent work spaces that are shared between humans and mobile machinery. Typical examples of such environments include construction sites, surface and underground mines, storage yards and warehouses. Here, accidents involving mobile equipment and human workers frequently result in serious injuries and fatalities. Robust sensor-based detection of humans in the surrounding of mobile equipment is therefore an active research topic and represents a crucial requirement for safe vehicle operation and accident prevention in increasingly automated production sites. Addressing the described safety issue, this thesis presents a collection of papers which introduce, analyse and evaluate a novel vision-based method for detecting humans equipped with protective high-visibility garments in the neighbourhood of manned or unmanned industrial vehicles. The thesis provides a comprehensive discussion of the numerous aspects regarding the design of the hardware and the computer vision algorithms that constitute the vision system. An active nearinfrared camera setup that is customised for the robust perception of retroreflective markers builds the basis for the sensing method. Using its specific input, a set of computer vision and machine learning algorithms then perform extraction, analysis, classification and localisation of the observed reflective patterns, and eventually detection and tracking of workers with protective garments. Multiple real-world challenges, which existing methods frequently struggle to cope with, are discussed throughout the thesis, including varying ambient lighting conditions and human body pose variation. The presented work has been carried out with a strong focus on industrial applicability, and therefore includes an extensive experimental evaluation in a number of different real-world indoor and outdoor work environments.
Subject headings and genre
- NATURVETENSKAP Data- och informationsvetenskap Datavetenskap hsv//swe
- NATURAL SCIENCES Computer and Information Sciences Computer Sciences hsv//eng
- Industrial Safety
- Mobile Machinery
- Human Detection
- Computer Vision
- Machine Learning
- Infrared Vision
- High-visibility Clothing
- Reflective Markers
- Datavetenskap
- Computer Science
Added entries (persons, corporate bodies, meetings, titles ...)
- Lilienthal, Achim J.,ProfessorÖrebro universitet,Institutionen för naturvetenskap och teknik(Swepub:oru)amll (thesis advisor)
- Andreasson, Henrik,Ph.D.Örebro universitet,Institutionen för naturvetenskap och teknik(Swepub:oru)hkan (thesis advisor)
- Gall, Jürgen,ProfessorUniversity of Bonn, Germany (opponent)
- Örebro universitetInstitutionen för naturvetenskap och teknik (creator_code:org_t)
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