Instytut Podstawowych Problemów Techniki
Polskiej Akademii Nauk

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Piotr Majek

Institute of Mathematical Machines (PL)

Ostatnie publikacje
1.  Będkowski J., Majek K., Majek P., Musialik P., Pełka M., Nüchter A., Intelligent Mobile System for Improving Spatial Design Support and Security Inside Buildings, Mobile Networks and Applications, ISSN: 1383-469X, DOI: 10.1007/s11036-015-0654-8, Vol.21, No.2, pp.313-326, 2016

Streszczenie:
This paper concerns the an intelligent mobile application for spatial design support and security domain. Mobility has two aspects in our research: The first one is the usage of mobile robots for 3D mapping of urban areas and for performing some specific tasks. The second mobility aspect is related with a novel Software as a Service system that allows access to robotic functionalities and data over the Ethernet, thus we demonstrate the use of the novel NVIDIA GRID technology allowing to virtualize the graphic processing unit. We introduce Complex Shape Histogram, a core component of our artificial intelligence engine, used for classifying 3D point clouds with a Support Vector Machine. We use Complex Shape Histograms also for loop closing detection in the simultaneous localization and mapping algorithm. Our intelligent mobile system is built on top of the Qualitative Spatio-Temporal Representation and Reasoning framework. This framework defines an ontology and a semantic model, which are used for building the intelligent mobile user interfaces. We show experiments demonstrating advantages of our approach. In addition, we test our prototypes in the field after the end-user case studies demonstrating a relevant contribution for future intelligent mobile systems that merge mobile robots with novel data centers.

Słowa kluczowe:
Intelligent mobile system, 3D object recognition, Qualitative representation and reasoning, 3D mapping

Afiliacje autorów:
Będkowski J. - IPPT PAN
Majek K. - Institute of Mathematical Machines (PL)
Majek P. - Institute of Mathematical Machines (PL)
Musialik P. - Institute of Mathematical Machines (PL)
Pełka M. - Institute of Mathematical Machines (PL)
Nüchter A. - Julius-Maximilians-University Würzburg (DE)
30p.

Prace konferencyjne
1.  Musialik P., Majek K., Majek P., Pelka M., Będkowski J., Masłowski A., Typiak A., Accurate 3D mapping and immersive visualization for Search and Rescue, RoMoCo 2015, 10th International Workshop on Robot Motion and Control, 2015-07-06/07-08, Poznań (PL), DOI: 10.1109/RoMoCo.2015.7219728, pp.153-158, 2015

Streszczenie:
This paper concentrates on the topic of gathering, processing and presenting 3D data for use in Search and Rescue operations. The data are gathered by unmanned ground platforms, in form of 3D point clouds. The clouds are matched and transformed into a consistent, highly accurate 3D model. The paper describes the pipeline for such matching based on Iterative Closest Point algorithm supported by loop closing done with LUM method. The pipeline was implemented for parallel computation with Nvidia CUDA, which leads to higher matching accuracy and lower computation time. An analysis of performance for multiple GPUs is presented. The second problem discussed in the paper is immersive visualization of 3d data for search and rescue personnel. Five strategies are discussed: plain 3D point cloud, hypsometry, normal vectors, space descriptors and an approach based on light simulation through the use of NVIDIA OptiX Ray Tracing Engine. The results from each strategy were shown to end users for validation. The paper discusses the feedback given. The results of the research are used in the development of a support module for ICARUS project.

Słowa kluczowe:
Three-dimensional displays, Data visualization, Graphics processing units, Image color analysis, Computational modeling, Solid modeling, Pipelines

Afiliacje autorów:
Musialik P. - Institute of Mathematical Machines (PL)
Majek K. - Institute of Mathematical Machines (PL)
Majek P. - Institute of Mathematical Machines (PL)
Pelka M. - Institute of Mathematical Machines (PL)
Będkowski J. - inna afiliacja
Masłowski A. - Politechnika Warszawska (PL)
Typiak A. - inna afiliacja
15p.

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