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Search results for: TRAFFIC ENFORCEMENT CAMERA
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Analysis of Factors Influencing the Prices of Tourist Offers
PublicationTourism is a significant branch of many world economies. Many factors influence the volume of tourist traffic and the prices of trips. There are factors that clearly affect tourism, such as COVID-19. The paper describes the methods of machine learning and process mining that allow for assessing the impact of various factors (micro, mezzo and macro) on the prices of tourist offers. The methods were used on large sets of real data...
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A study of nighttime vehicle detection algorithms
Open Research DataThis dataset is from my master's thesis "A study of nighttime vehicle detection algorithms". It contains both raw data and preprocessed dataset ready to use. In the pictures below you can see how images were annotated.
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UAV Survey Images - orthophotomap - Gdynia Chwaszczyno - PH4 - AGL 50 m
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Chwaszczyno district Location: Gdynia, Pomerania, PolandDrone type: DJI Phantom 4 ProFlight plan: Single GridTarget Product: OrthophotoDate: 11.07.2019Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP Quality:...
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UAV Survey Images - orthophotomap - Gdynia Container Terminal Day Light- MP1
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Container Terminal - day light photosLocation: Gdynia, Pomerania, PolandDrone type: DJI Mavic Pro 1Flight plan: Single GridTarget Product: OrthophotoDate: 15.10.2020Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP...
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UAV Survey Images - orthophotomap - Gdynia Container Terminal Day Light- MP2
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Container Terminal - day light photosLocation: Gdynia, Pomerania, PolandDrone type: DJI Mavic Pro 2Flight plan: Single GridTarget Product: OrthophotoDate: 15.10.2020Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP...
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UAV Survey Images - orthophotomap - Gdynia Chwaszczyno - MP1 - AGL 50 m
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Chwaszczyno district Location: Gdynia, Pomerania, PolandDrone type: DJI Mavic Pro 1Flight plan: Single GridTarget Product: OrthophotoDate: 11.07.2019Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP Quality:...
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UAV Survey Images - orthophotomap - Gdynia Container Terminal Night Time- MP2
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Container Terminal - night artificial photosLocation: Gdynia, Pomerania, PolandDrone type: DJI Mavic Pro 2Flight plan: Single GridTarget Product: OrthophotoDate: 14.10.2020Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position...
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UAV Survey Images - orthophotomap - Klodno Lake - MP1
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Klodno Lake shore lineLocation: Zawory, Kartuskie District, Pomerania, PolandDrone type: DJI Mavic Pro 1Flight plan: Single Grid + Obligue imagesTarget Product: OrthophotoDate: 05.08.2018Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP...
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UAV Survey Images - orthophotomap - Gdynia Chwaszczyno - MP1 - AGL 100 m
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Chwaszczyno district Location: Gdynia, Pomerania, PolandDrone type: DJI Mavic Pro 1Flight plan: Single GridTarget Product: OrthophotoDate: 11.07.2019Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP Quality:...
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UAV Survey Images - orthophotomap - Klodno Lake Zawory Bay - MP1
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Klodno Lake shore lineLocation: Zawory, Kartuskie District, Pomerania, PolandDrone type: DJI Mavic Pro 1Flight plan: Single Grid + Obligue imagesTarget Product: OrthophotoDate: 11.08.2019Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP...
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UAV Survey Images - orthophotomap- Gdansk University of Technology campus photogrametry test field- MP1
Open Research DataDataset description: Raw images from photogrammetric survey. Object: The photogrametry test field within Gdansk University Of Technology CampusLocation: Gdansk, Pomerania, PolandDrone type: DJI Mavic Pro 1Flight plan: Single GridTarget Product: 3D ModelDate: 17.05.2022Direct georeferencing: yesMetadata data: yes/GPSGCP: YESGCP Quality: RTKCamera Name:...
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UAV Survey Images - orthophotomap - Gdynia Chwaszczyno - PH4 - AGL 100 m
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Chwaszczyno district Location: Gdynia, Pomerania, PolandDrone type: DJI Phantom 4 ProFlight plan: Single GridTarget Product: OrthophotoDate: 11.07.2019Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description and position includedGCP Quality:...
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Badania eksperymentalne i symulacyjne dynamiki modelowego odcinka sieci trakcyjnej
PublicationW pracy przedstawiono główne założenia i strukturę opracowanego modelu matematycznego odcinka kolejowej górnej sieci trakcyjnej, opartego na metodzie energetycznej Lagrange’a. W celu wyznaczenia wybranych parametrów modelu, jak również dla oceny stopnia zgodności odwzorowania przez utworzony program symulacyjny stanów statycznych i dynamicznych sieci zbudowano laboratoryjny model odcinka sieci jezdnej z użyciem rzeczywistych jej...
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Efekty egoistycznych ataków na poziomie mac w sieciach ad hoc o topologii wieloskokowej
PublicationStacje sieci ad hoc mogą manipulować parametrami dostępu do medium transmisyjnego dla osiągnięcia nienależnie wysokiej jakości usług. Dla środowiska sieci ad hoc o topologii wieloskokowej rozważane są ataki na mechanizmy odłożenia transmisji i klasyfikacji ruchu, przeprowadzane zarówno w stosunku do przepływów źródłowych jak i tranzytowych. Wyniki pozwalają wstępnie ocenić efekty takich ataków oraz skuteczność mechanizmów obronnych.
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Application of infrared thermoography to non-contact testing of varistors
PublicationTesting of varistors using thermography was carried out in order to assess their protective properties against possible overvoltage phenomena in the form of high-level voltage surges. An advantage of the thermography technique is non-contact temperature measurement. It was proposed to assess the properties of varistors workingin electronic devices as protective elements, on the basis of estimating temperature increments on varist...
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3D Machine Vision System for Inspection of Contact Strips in Railway Vehicle Current Collectors
PublicationConstruction and technical condition of current collectors is crucial to reliability and safety of railway transportation. According to the Technical Specifications for Interoperability railway vehicles in the European Union should be equipped with carbon contact strips. Excessive wear or defects of contact strips degrade the capability of undisturbed power transmission, cause faster wear of contact wire, and can even result in...
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Hazard Control in Industrial Environments: A Knowledge-Vision-Based Approach
PublicationThis paper proposes the integration of image processing techniques (such as image segmentation, feature extraction and selection) and a knowledge representation approach in a framework for the development of an automatic system able to identify, in real time, unsafe activities in industrial environments. In this framework, the visual information (feature extraction) acquired from video-camera images and other context based gathered...
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Processing, Performance Properties, and Storage Stability of Ground Tire Rubber Modified by Dicumyl Peroxide and Ethylene-Vinyl Acetate Copolymers
PublicationIn this paper, ground tire rubber was modified with dicumyl peroxide and a variable content (in the range of 0–15 phr) of ethylene-vinyl acetate copolymers characterized by different vinyl acetate contents (in the range of 18–39 wt.%). Modification of ground tire rubber was performed via an auto-thermal extrusion process in which heat was generated during internal shearing of the material inside the extruder barrel. The processing,...
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NUMERICAL SIMULATIONS OF HONING PROCESS OF THIN WALL CYLINDER LINERS, WITH CONSTANT AND WITH VARIABLE THICKNESS OF WALL OF HONED PARTS
PublicationNumerical simulations of honing process of thin-wall cylinder liners, with constant and with variable thickness of the wall of honed workpieces can improve and can help to conduct the experimental research of honing process and can improve the honing process. A very valuable research assumption, before performing the numerical analysis of computer simulation of honing process, is the measurement of the real geometry of the honing...
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Evaluating the influence of radiative heat flux on convective heat transfer from a vertical plate in air using an improved heating plate
PublicationThis article examines the influence of radiative heat flux on the accuracy of the results of free convective heat transfer in air. In order to carry out these tests, based on the experience gained during the operation of a plate heated on one side, compensated by a reverse heat loss flux counter-heater, a unique double-sided heating sandwich plate was designed and built, consisting of three thin epoxy resin plates reinforced with...
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Sounding Mechanism of a Flue Organ Pipe—A Multi-Sensor Measurement Approach
PublicationThis work presents an approach that integrates the results of measuring, analyzing, and modeling air flow phenomena driven by pressurized air in a flue organ pipe. The investigation concerns a Bourdon organ pipe. Measurements are performed in an anechoic chamber using the Cartesian robot equipped with a 3D acoustic vector sensor (AVS) that acquires both acoustic pressure and air particle velocity. Also, a high-speed camera is employed...
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Performance Analysis of the OpenCL Environment on Mobile Platforms
PublicationToday’s smartphones have more and more features that so far were only assigned to personal computers. Every year these devices are composed of better and more efficient components. Everything indicates that modern smartphones are replacing ordinary computers in various activities. High computing power is required for tasks such as image processing, speech recognition and object detection. This paper analyses the performance of...
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UAV Survey Images - orthophotomap - Gdynia Container Terminal Night Time- MP1
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Parking place near by Gdynia Container Terminal - night artificial light photosLocation: Gdynia, Pomerania, PolandDrone type: DJI Mavic Pro 1Flight plan: Single Grid - free flightTarget Product: OrthophotoDate: 14.10.2020Direct georeferencing: yesMetadata data: yes/GPSGCP: Yes - Description...
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Terrestrial Survey Images - 3D Interior Model - Gdansk Church Pw. Św. Wojciecha - NICON D5300
Open Research DataDataset description: Raw images from photogrammetric survey. Object: Kościół Rzymskokatolicki Pw. Św. WojciechaLocation: Gdansk, Pomerania, PolandDrone type: N/A (terrestrial images)Flight plan: Free plan (walk inside the object)Target Product: 3D Interior ModelDate: 02.04.2022Direct georeferencing: yesMetadata data: no/GPSGCP: NOGCP Quality: N/ACamera...
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Floating treatment wetlands combined with microbial fuel cells (FTW-MFC) batch experiment: plant microscopy observations
Open Research DataThis data collection includes plant root microscope findings. Species chosen for observation: Iris pseudacorus (IP) and Phragmites australis (PA). The anatomical measurements were taken with an optical microscope (Delta Optical Genetic Pro with 3MP camera; Delta Optical, Poland) that had lens magnifications of 4x and 10x and an ocular magnification...
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Badania charakterystyki obciążeń oddziałujących na modułowe urządzenie dylatacyjne w pasie ruchu ciężkiego autostrady A8
PublicationPrzedstawiono badania urządzenia dylatacyjnego typu nożycowego. Dokonano statycznych i dynamicznych pomiarów odkształceń oraz przemieszczeń konstrukcji nożyc na najbardziej obciążonym pasie autostrady A8. Określono wpływ oddziaływania dynamicznego oraz sporządzono histogramy obciążeń i współczynników przewyższenia dynamicznego na podstawie pomiarów ciągłych w okresie nasilonego ruchu. Wskazano przyczyny degradacji urządzenia. Odniesiono...
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Muzyka solowa i kameralna Simona Laksa
EventsPolitechnika Otwarta zaprasza na kolejne wydarzenie z cyklu Akademia Muzyczna w Politechnice – koncert promocyjny płyty Simon Laks – in between.
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Reduction of Tire Rolling Resistance by Optimization of Road Surfaces and Tires
PublicationDuring interaction between tire and road surface three very important phenomena are always in effect. One of them (very desirable) is friction that is important for traction, braking and cornering. Two other phenomena are not desirable at all, that is rolling resistance and noise. This paper discusses relations between road surface and tire parameters versus tire rolling resistance. Road surface texture, porosity, impedance, strength...
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Message Inter-Arrival and Inter-Departure Time Distributions in IMS/NGN Architecture
PublicationCurrently is it assumed that requirements of the information society for delivering multimedia services will be satisfied by the Next Generation Network (NGN) architecture, which includes elements of the IP Multimedia Subsystem (IMS) solution. In order to guarantee Quality of Service (QoS), NGN has to be appropriately designed and dimensioned. Therefore, proper traffic models should be proposed and applied. This requires determination...
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Determination of safety indicators of the freight wagons by mobile systems
PublicationThe organization of the movement of freight trains in Ukraine is an important factor in integrating the country’s railway transport into the European system. A situation that requires a significant renewal of the freight wagon park with modern wagons to meet the freight transportation requirements has arisen. Also, a significant drawback of railway transport in Ukraine is the limitation of the speed of trains, which include freight...
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A 95-Year-Old Concrete Arch Bridge: From Materials Characterization to Structural Analysis
PublicationThe structural analysis of a 95-year-old concrete arch bridge located in Jagodnik (Poland) is performed in this paper, in order to check its behavior under today’s traffic loads. The mechanical properties of both the concrete and the reinforcement are investigated by testing cores and bar stubs extracted from the bridge. Structural analysis confirms that the bridge meets today’s load requirements in terms of bearing capacity, serviceability...
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Simulation Environment in Python for Ship Encounter Situations
PublicationTo assess the risk of collision in radar navigation distance-based safety measures such as Distance at the Closest Point of Approach and Time to the Closest Point of Approach are most commonly used. Also Bow Crossing Range and Bow Crossing Time measures are good complement to the picture of the meeting situation. When ship safety domain is considered then Degree of Domain Violation and Time to Domain Violation can be applied. This...
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QoS Extensions for Flow-Awareness Networks
PublicationThe paper contains a description and research results of the proposal for distributed QoS extensions for Flow-Based Networking. These QoS extensions let the network accept or reject flows based on current network load and QoS promises for each of the flows. Proposed solution consists of two distributed components, each of them performing in every node, measurement system and access control. The solution could be applied in any...
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Terrestrial Laser Scan and Survey Images - 3D Model - Simulated Car Accident - MP1 - Reigl
Open Research DataDataset description: Raw images from photogrammetric and terresttial laser scaning survey. Object: Simulated Car AccidentLocation: Puck Pomorskie, PolandDrone type: DJI Mavic Pro 1Flight plan: Circle | Point Of InterestTarget Product: 3D ModelDate: 07.07.2017Direct georeferencing: yesMetadata data: Yes/GPSGCP: Yes - some targets on the object are marked...
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Runner bean (Phaseolus coccineus) histological cross section observations of stems, leaves, and roots using light microscope
Open Research DataThis data set contains images of root crown, root, stem, and leaf cross-sections of runner bean (Phaseolus coccineus). Runner bean seedlings (3-5 cm) were planted on soil amended with poultry (chicken) manure biochars pyrolized at various temperatures (400, 500, and 600 C degrees). Three different poultry manure biochar materials (450, 500, and 600°C)...
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Evaluation of antimicrobial properties of thermomelt adhesives modified with zinc compounds
Open Research DataThe dataset contains the results of microbiological tests of thermomelt adhesives modified with zinc compounds, whose activity was assessed for their ability to reduce the number of Escherichia coli and Staphylococcus aureus strain, representing the Gram (-) and Gram (+) bacteria, respectively. The evaluation of antimicrobial properties of samples were...
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Infrared techniques for natural convection investigations in channels between two vertical, parallel, isothermal and symmetrically heated plates
PublicationThe effect of the gap width between two symmetrically heated vertical, parallel, isothermal plates on intensity of natural convective heat transfer in a gas (Pr = 0.71) was experimentally studied using the balance and gradient methods. In the former method heat fluxes were determined based on measurements of the voltage and electric current supplying the heaters placed inside the walls. In the latter, heat fluxes were calculated...
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Channel Blockage and Flow Maldistribution during Unsteady Flow in a Model Microchannel Plate heat Exchanger
PublicationThis paper describes the problem of channel blockage as a result of flow maldistribution between the channels of a model mini channel plate heat exchanger consisting of one pass on each leg. Each leg of the heat exchanger contains 51 parallel and rectangular minichannels of four hydraulic diameters namely 461 μm, 571 μm, 750 μm and 823 μm. In addition, a more complex geometry has been investigated where for the sake of breaking...
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Pressure drop related to flow maldistribution in a model minichannel plate heat exchanger
PublicationThe paper describes the issues related to the pressure drop that accompanies the phenomenon of maldistribution of working fluid between the channels of a model minichannel plate heat exchanger. The research concerns a single exchanger's plate containing 51 (in every geometry) parallel rectangular minichannels of hydraulic diameters 461 µm, 571 µm, 750 µm and 823 µm. In addition, the more complex geometry has been investigated,...
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Assessment of FSW Welds Made of Aluminum Alloy AW7075-T651.
PublicationThis paper summarizes the results of experimental studies in which the aluminum alloy AW7075-T651 was friction stir welded (FSW) using various combinations of process parameters (rotational - R and travel speed - T). Mechanical properties of the test welds were assessed by using static tensile test and Vickers hardness measurement. The temperature of the welded plates was monitored during welding by means of thermocouples placed...
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COMPARATIVE ANALYSIS OF POINT CLOUDS OBTAINED BY TLS AND PHOTOGRAMMETRY
PublicationTechnical progress in the field of 3D modelling resulted in increasing use of such technics to create a virtual 3D models of objects. Three-dimensional spatial models are used in a wide range of applications such as inventorisation of architectural-construction, an inventorisation of archaeological sites, medicine and wide-known engineering. Spatial models are created based on the point clouds acquired with laser scanners or photogrammetry....
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Wielkopowierzchniowe obiekty handlowe - zwykłe generatory ruchu czy źródła problemów transportowych?
PublicationW artykule zaprezentowano dane na temat funkcjonowania dużych centrów handlowych w miastach, uzyskane z polskich i obcojęzycznych źródeł literatury oraz badań realizowanych w Polsce i za granicą. Przedstawione zagadnienia pozwalają na zapoznanie się z podstawową wiedzą na temat zachowań klientów oraz poznanie uwarunkowań określania oferty parkingowej wielkopowierzchniowych obiektów handlowych. Przedstawiono także charakterystyki...
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Możliwości usprawnienia zarządzania transportem zbiorowym z wykorzystaniem systemu zarządzania ruchem TRISTAR
PublicationW artykule zostały przedstawione możliwości usprawnienia zarządzania transportem zbiorowym z wykorzystaniem poszczególnych podsystemów Zintegrowanego Systemu Zarządzania Ruchem TRISTAR. Opisane zostały elementy systemu które mogą w skuteczny sposób wpłynąć na uatrakcyjnienie transportu zbiorowego. Przytoczono przykłady pokazujące potencjalne wykorzystanie pierwotnie nie przewidzianych do tego celu podsystemów. Omówiona została...
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ZAPEWNIENIE SYNCHORNIZACJI CZASU PRZY CZĘŚCIOWYM WSPARCIU SIECI
PublicationCelem badań zaprezentowanych w artykule było sprawdzenie czy możliwe jest zapewnienie dużej dokładności synchronizacji czasu przy częściowym wsparciu sieci w oparciu o model HRM-1 składający się z 12 szeregowo podłączonych urządzeń sieciowych wraz z wygenerowanym ruchem sieciowym. Badania wykazały, że dla obecnie stosowanych technologii mobilnych takich jak LTE TDD możliwe jest zapewnienie odpowiedniej jakości synchronizacji czasu....
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An updated method identifying collision-prone locations for ships. A case study for oil tankers navigating in the Gulf of Finland
PublicationTo ensure the risk level associated with continuously increasing maritime traffic through particularly sensitive sea areas remains at acceptable level, a periodic risk assessment needs to be carried out by the relevant authorities. As a part of such assessment, allowing for proactive countermeasures to mitigate risk, the frequency of accidents is estimated along with the assessment of geographical locations where the accidents...
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Pavement ageing influence on tyre/road noise
PublicationRoad surface should be constructed in a way that ensures safe and comfortable traffic conditions, not only when it is newly paved but also during its entire lifetime. An important factor in the asphalt mixture design process is also the expected pavement durability and stability of pavement properties over time. In many countries, road surface starts to play a significant role in traffic noise reduction actions. Selecting a particular...
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A multi‑criteria approach to investigate spatial distribution,sources, and the potential toxicological effect of polycyclic aromatic hydrocarbons (PAHs) in sediments of urban retention tanks
PublicationBottom sediments deposited in retention tanks (RTs) located on two urban streams (Oliwski and Strzyza) in the central part of Gdansk (Poland) were analysed for polycyclic aromatic hydrocarbons’ (PAHs) content. PAHs were extracted from samples with methylene chloride, then the extracts were subjected to clean-up applying the solid phase extraction (SPE) method. Quantitative and qualitative determination of 16 PAHs was performed...
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Terrestrial Laser Scan and Survey Images - 3D Model - Submarine Kobben - Canon - Reigl
Open Research DataDataset description: Raw images from photogrammetric and terresttial laser scaning survey. Object: Submarine Kobben - decomisionedLocation: Gdynia, Pomorskie, PolandDrone type: n/a (Teresstrial images)Flight plan: Free - walk arround the objectTarget Product: 3D ModelDate: 05.07.2017Direct georeferencing: noMetadata data: NoGCP: N0 - some targets on...
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Emotion Recognition
Open Research DataThe films presented here were recorded using so-called high-speed camera Phantom Miro. To play the movie You need the special software which can be downloaded from the web site https://www.phantomhighspeed.com/resourcesandsupport/phantomresources/pccsoftware the details of the movie are available after starting the movie in the viewer in the description...
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Emotion Recognition
Open Research DataThe films presented here were recorded using so-called high-speed camera Phantom Miro. To play the movie You need the special software which can be downloaded from the web site https://www.phantomhighspeed.com/resourcesandsupport/phantomresources/pccsoftware the details of the movie are available after starting the movie in the viewer in the description...