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Paweł Musialik

Institute of Mathematical Machines (PL)

Recent publications
1.  Balta H., Będkowski J., Govindaraj S., Majek K., Musialik P., Serrano D., Alexis K., Siegwart R., De Cubber G., Integrated Data Management for a Fleet of Search-and-rescue Robots, Journal of Field Robotics, ISSN: 1556-4959, DOI: 10.1002/rob.21651, Vol.34, No.3, pp.539-582, 2016

Abstract:
Search-and-rescue operations have recently been confronted with the introduction of robotic tools that assist the human search-and-rescue workers in their dangerous but life-saving job of searching for human survivors after major catastrophes. However, the world of search and rescue is highly reliant on strict procedures for the transfer of messages, alarms, data, and command and control over the deployed assets. The introduction of robotic tools into this world causes an important structural change in this procedural toolchain. Moreover, the introduction of search-and-rescue robots acting as data gatherers could potentially lead to an information overload toward the human search-and-rescue workers, if the data acquired by these robotic tools are not managed in an intelligent way. With that in mind, we present in this paper an integrated data combination and data management architecture that is able to accommodate real-time data gathered by a fleet of robotic vehicles on a crisis site, and we present and publish these data in a way that is easy to understand by end-users. In the scope of this paper, a fleet of unmanned ground and aerial search-and-rescue vehicles is considered, developed within the scope of the European ICARUS project. As a first step toward the integrated data-management methodology, the different robotic systems require an interoperable framework in order to pass data from one to another and toward the unified command and control station. As a second step, a data fusion methodology will be presented, combining the data acquired by the different heterogenic robotic systems. The computation needed for this process is done in a novel mobile data center and then (as a third step) published in a software as a service (SaaS) model. The SaaS model helps in providing access to robotic data over ubiquitous Ethernet connections. As a final step, we show how the presented data-management architecture allows for reusing recorded exercises with real robots and rescue teams for training purposes and teaching search-and-rescue personnel how to handle the different robotic tools. The system was validated in two experiments. First, in the controlled environment of a military testing base, a fleet of unmanned ground and aerial vehicles was deployed in an earthquake-response scenario. The data gathered by the different interoperable robotic systems were combined by a novel mobile data center and presented to the end-user public. Second, an unmanned aerial system was deployed on an actual mission with an international relief team to help with the relief operations after major flooding in Bosnia in the spring of 2014. Due to the nature of the event (floods), no ground vehicles were deployed here, but all data acquired by the aerial system (mainly three-dimensional maps) were stored in the ICARUS data center, where they were securely published for authorized personnel all over the world. This mission (which is, to our knowledge, the first recorded deployment of an unmanned aerial system by an official governmental international search-and-rescue team in another country) proved also the concept of the procedural integration of the ICARUS data management system into the existing procedural toolchain of the search and rescue workers, and this in an international context (deployment from Belgium to Bosnia). The feedback received from the search-and-rescue personnel on both validation exercises was highly positive, proving that the ICARUS data management system can efficiently increase the situational awareness of the search-and-rescue personnel.

Affiliations:
Balta H. - Royal Military Academy of Belgium (BE)
Będkowski J. - other affiliation
Govindaraj S. - Space Applications Services NV/SA (BE)
Majek K. - Institute of Mathematical Machines (PL)
Musialik P. - Institute of Mathematical Machines (PL)
Serrano D. - Eurecat Technology Centre (ES)
Alexis K. - Eidgenössische Technische Hochschule Zürich (CH)
Siegwart R. - Eidgenössische Technische Hochschule Zürich (CH)
De Cubber G. - Royal Military Academy of Belgium (BE)
2.  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

Abstract:
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.

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

Affiliations:
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)
3.  Będkowski J., Majek K., Musialik P., Adamek A., Andrzejewski D., Czekaj D., Towards terrestrial 3D data registration improved by parallel programming and evaluated with geodetic precision, Automation in Construction, ISSN: 0926-5805, DOI: 10.1016/j.autcon.2014.07.013, Vol.47, pp.78-91, 2014

Abstract:
In this paper a quantitative and qualitative evaluation of proposed ICP-based data registration algorithm, improved by parallel programming in CUDA (compute unified device architecture), is shown. The algorithm was tested on data collected with a 3D terrestrial laser scanner Z + F Imager 5010 mounted on the mobile platform PIONNER 3AT. Parallel implementation enables data registration on-line, even using a laptop with a standard hardware configuration (graphic card NVIDIA GeForce 6XX/7XX series). Robustness is assured by the use of CUDA-enhanced fast NNS (nearest neighbor search) applied for ICP (iterative closest point) with SVD (singular value decomposition) solver. The evaluation is based on the reference ground truth data registered with geodetic precision. The geodetic approach extends our previous work and gives an accurate benchmark for the algorithm. The data were collected in an urban area under a demolition scenario in a real environment. We compared four registration strategies concerning data preprocessing, such as subsampling and vegetation removal. The result is the analysis of measured performance and the accuracy of the geometric maps. The system provides accurate metric maps on-line and can be used in several applications such as mobile robotics for construction area modelling or spatial design support. It is a core component for our future work on mobile mapping systems.

Keywords:
Iterative closest point, Data registration, Mobile mapping, CUDA parallel programming, Spatial design support

Affiliations:
Będkowski J. - other affiliation
Majek K. - Institute of Mathematical Machines (PL)
Musialik P. - Institute of Mathematical Machines (PL)
Adamek A. - Warsaw University of Technology (PL)
Andrzejewski D. - Warsaw University of Technology (PL)
Czekaj D. - Warsaw University of Technology (PL)
4.  Ostrowski I., Majek K., Adamek A., Musialik P., Będkowski J., Masłowski A., Mobilny system tworzenia przestrzennej dokumentacji semantycznej, POMIARY AUTOMATYKA KONTROLA, ISSN: 0032-4140, Vol.58, No.12, pp.1117-1120, 2012

Abstract:
W artykule przedstawiono mobilny system tworzenia przestrzennej dokumentacji semantycznej. Zaproponowano nową metodę filtracji oraz rejestracji danych wykorzystującą obliczenia równoległe (NVIDIA FERMI). Opracowany system informatyczny umożliwia gromadzenie danych przestrzennych z wykorzystaniem geodezyjnego systemu pomiarowego 3D oraz pozwala na etykietowanie obiektów. Tworzona mapa semantyczna jest dostępna z poziomu dowolnego urządzenia mobilnego (laptop, smartphone, tablet).

Keywords:
mapa semantyczna, przestrzenna dokumentacja semantyczna, skanowanie laserowe, chmura punktów, obliczenia równoległe, wizualizacja

Affiliations:
Ostrowski I. - other affiliation
Majek K. - Institute of Mathematical Machines (PL)
Adamek A. - Warsaw University of Technology (PL)
Musialik P. - Institute of Mathematical Machines (PL)
Będkowski J. - other affiliation
Masłowski A. - Warsaw University of Technology (PL)

List of chapters in recent monographs
1. 
Będkowski J., Pełka M., Musialik P., Masłowski A., Mobile Service Robotics, rozdział: Multi robot simulator for robot operator training in tiramisu project, World Scientific, pp.575-580, 2014

Conference papers
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

Abstract:
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.

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

Affiliations:
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. - other affiliation
Masłowski A. - Warsaw University of Technology (PL)
Typiak A. - other affiliation
2.  Majek K., Musialik P., Kaczmarek P., Będkowski J., Lesson Learned from Eurathlon 2013 Land Robot Competition, AUTOMATION 2014, Conference on Automation - Innovations and Future Perspectives, 2014-03-26/03-28, Warszawa (PL), DOI: 10.1007/978-3-319-05353-0_42, No.267, pp.441-451, 2014

Abstract:
This paper shows evaluation result of the mobile robotic system for Urban Search and Rescue performed during Eurathlon 2013 robotic competition by IAIR-IMM team. Our team was competing in two scenarios: a) Reconnaissance and surveillance in urban structures (USAR), b) Search and rescue in a smoke-filled underground structure. The main task for this system from our team point of view was to build 3D metric map of the environment and to find OPIs (Objects of Potential Interest). Therefore in this paper we described the vision system for objects recognition and 3D map building. The system is composed of mobile robot equipped with camera, 3D laser measurement system and base station composed of computer equipped with NVIDIA GPU for parallel processing of derived clouds of points. The main focus of the work was to improve the performance of the operator controlling the robot in harsh environment. We achieved satisfactory results that could be still improved in many aspects. In experimental part we demonstrated validation of vision recognition system and 3D maps built during preparation trials and during final competition. The best quantitative result of this work was 3rd place in USAR scenario. Unfortunately, we could not build the map in a smoke-filled underground structure, but the result is also very interesting for future developments.

Keywords:
Eurathlon, mobile robot

Affiliations:
Majek K. - Institute of Mathematical Machines (PL)
Musialik P. - Institute of Mathematical Machines (PL)
Kaczmarek P. - other affiliation
Będkowski J. - other affiliation
3.  Będkowski J., Pełka M., Musialik P., Masłowski A., Multi robot simulator for robot operator training in Tiramisu project, CLAWAR, 17th International Conference on Climbing and Walking Robots, 2014-07-21/07-23, Poznań (PL), pp.575-580, 2014

Abstract:
This article concerns current progress in the development of multi robot simulation for TIRAMISU project. This simulator is designed for training of UGV (Unmanned Ground Vehicles) operators in cooperative mission execution. The core components of the system are implemented using VORTEX physics simulation engine with OSG (Open Scene Graph) used for rendering. The engine provides an accurate physics simulation for robots working on a single stage. The main goal during development was to prepare a multi robot architecture for the simulation. The challenge was to integrate all simulation components into a common framework, therefore allowing the robots to interact with each other, without lose of simulation accuracy. Current version of the simulator has two types of robots: a) iRobot-PacBot b)LOCSTRA - a TIRAMISU robot for humanitarian demining. An example of multi robot scenario, transportation of UXO (UneXploded Ordnance), will be discussed.

Keywords:
Humanitarian demining, mobile robot simulation, operator training

Affiliations:
Będkowski J. - other affiliation
Pełka M. - Institute of Mathematical Machines (PL)
Musialik P. - Institute of Mathematical Machines (PL)
Masłowski A. - Warsaw University of Technology (PL)
4.  Gonçalves R., Baptista R., Coelho A., Matos A., Vaz de Carvalho C., Będkowski J., Musialik P., Ostrowski I., Majek K., A game for robot operation training in Search and Rescue missions, REV2014, 11th International Conference on Remote Engineering and Virtual Instrumentation, 2014-02-26/02-28, Porto (PT), pp.262-267, 2014

Abstract:
Search and rescue (SAR) teams often face several complex and dangeroustasks, witch could be aided by unmanned robotic vehicles (UV). UV agents can potentially be used to decrease the risk in the loss of lives both of the rescuers and victims and aid in the search and transportation and survivors and in the removal of debris in a catastrophe scenario. Depending on the nature of a catastrophe and its geographical location, there are potentially three types of UV contemplates, their operators need prior training and certification. To train and certify the operators a tool (serious game) is under development. In this paper we will make an overview about our approach in its development. This game uses a typical client-server architecture where all client agents (virtual UVs and operator client interfaces) share the same immersive virtual environment which is generated through the merging of GIS data and a semantic model extracted from 3D lase data. There will be several types of scenarios suitable to several types of catastrophe situations.Each of these scenarios has its own mission plan for the trainees to follow. The game will also provide an interface for mission planning so that each mission plan will be carefully designed to accurately correspond to a matrix of skills. This matrix lists a set of common skills in various different UV operational case studies which will allow the certification of operators.

Affiliations:
Gonçalves R. - University of Porto (PT)
Baptista R. - INESC/USIG (PT)
Coelho A. - University of Porto (PT)
Matos A. - University of Porto (PT)
Vaz de Carvalho C. - Polytechnic of Porto (PT)
Będkowski J. - other affiliation
Musialik P. - Institute of Mathematical Machines (PL)
Ostrowski I. - other affiliation
Majek K. - Institute of Mathematical Machines (PL)

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