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Tytuł:
Comparison of the effects of water and thermal processing on pesticide removal in selected fruit and vegetables
Autorzy:
Lozowicka, B.
Jankowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/15605.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
water processing
food processing
thermal processing
pesticide
fruit
vegetable
processing treatment
Opis:
Fruit and vegetables are a valuable and essential component of a human diet. Unfortunately, the widespread and increasingly popular use of pesticides has largely magnified quantities of pesticide residues in these plant products. Among the best methods for removal of these contaminants from food of plant origin are food processing technologies, which affect the levels of pesticide residues to various degrees. The aim of this study was to compare the effects of different water and thermal processing treatments on pesticide residue concentrations in selected fruit and vegetables obtained from controlled field and tunnel trials. Black currants, broccoli, strawberries and tomatoes sprayed with plant protection products were analyzed. Washing by immersion in chlorine and in ozonated water as well as boiling were used to assess the removal of eleven pesticides in blackcurrants, broccoli, strawberries and tomatoes. Processing factors, which were determined for each combination of a pesticide, commodity and processing method, ranged between 0.03 and 1.66. Washing in ozonated water was more effective than washing in chlorinated water. However, high temperature at boiling caused a significant decrease in the concentration of most compounds (up to 97%), although there were some exceptions. The thermal treatment proved to be the most effective technological process removing pesticide residues from different commodities. The water and thermal processing technologgies tested in this experiment are promising methods for fast and simple removal of pesticide residues from broccoli, black currants, strawberries, tomatoes and possibly other commodities.
Źródło:
Journal of Elementology; 2016, 21, 1
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of the effects of water and thermal processing on pesticide removal in selected fruit and vegetables
Autorzy:
Łozowicka, B.
Jankowska, M.
Powiązania:
https://bibliotekanauki.pl/articles/1189826.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
water processing
food processing
thermal processing
pesticide
fruit
vegetable
processing treatment
Opis:
Fruit and vegetables are a valuable and essential component of a human diet. Unfortunately, the widespread and increasingly popular use of pesticides has largely magnified quantities of pesticide residues in these plant products. Among the best methods for removal of these contaminants from food of plant origin are food processing technologies, which affect the levels of pesticide residues to various degrees. The aim of this study was to compare the effects of different water and thermal processing treatments on pesticide residue concentrations in selected fruit and vegetables obtained from controlled field and tunnel trials. Black currants, broccoli, strawberries and tomatoes sprayed with plant protection products were analyzed. Washing by immersion in chlorine and in ozonated water as well as boiling were used to assess the removal of eleven pesticides in blackcurrants, broccoli, strawberries and tomatoes. Processing factors, which were determined for each combination of a pesticide, commodity and processing method, ranged between 0.03 and 1.66. Washing in ozonated water was more effective than washing in chlorinated water. However, high temperature at boiling caused a significant decrease in the concentration of most compounds (up to 97%), although there were some exceptions. The thermal treatment proved to be the most effective technological process removing pesticide residues from different commodities. The water and thermal processing technologgies tested in this experiment are promising methods for fast and simple removal of pesticide residues from broccoli, black currants, strawberries, tomatoes and possibly other commodities.
Źródło:
Journal of Elementology; 2016, 21, 1; 99-111
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Full-fledged temporal processing : bridging the gap between deep linguistic processing and temporal extraction
Autorzy:
Costa, F.
Branco, A.
Powiązania:
https://bibliotekanauki.pl/articles/103861.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Podstaw Informatyki PAN
Tematy:
temporal processing
temporal extraction
tense
aspect
hybrid approaches
deep linguistic processing
shallow linguistic processing
Opis:
The full-fledged processing of temporal information presents specific challenges. These difficulties largely stem from the fact that the temporal meaning conveyed by grammatical means interacts with many extra-linguistic factors (world knowledge, causality, calendar systems, reasoning). This article proposes a novel approach to this problem, based on a hybrid strategy that explores the complementarity of the symbolic and probabilistic methods. A specialized temporal extraction system is combined with a deep linguistic processing grammar. The temporal extraction system extracts eventualities, times and dates mentioned in text, and also temporal relations between them, in line with the tasks of the recent TempEval challenges; and uses machine learning techniques to draw from different sources of information (grammatical and extra-grammatical) even if it is not explicitly known how these combine to produce the final temporal meaning being expressed. In turn, the deep computational grammar delivers richer truth-conditional meaning representations of input sentences, which include a principled representation of temporal information, on which higher level tasks, including reasoning, can be based. These deep semantic representations are extended and improved according to the output of the aforementioned temporal extraction module. The prototype implemented shows performance results that increase the quality of the temporal meaning representations and are better than the performance of each of the two components in isolation.
Źródło:
Journal of Language Modelling; 2013, 1, 1; 97-154
2299-856X
2299-8470
Pojawia się w:
Journal of Language Modelling
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Voice Traces of Anxiety : Acoustic Parameters Affected by Anxiety Disorder
Autorzy:
Özseven, T.
Düğenci, M.
Doruk, A.
Kahraman, H. İ.
Powiązania:
https://bibliotekanauki.pl/articles/176475.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
anxiety
acoustic analysis
signal processing
speech processing
Opis:
Although the emotions and learning based on emotional reaction are individual-specific, the main features are consistent among all people. Depending on the emotional states of the persons, various physical and physiological changes can be observed in pulse and breathing, blood flow velocity, hormonal balance, sound properties, face expression and hand movements. The diversity, size and grade of these changes are shaped by different emotional states. Acoustic analysis, which is an objective evaluation method, is used to determine the emotional state of people’s voice characteristics. In this study, the reflection of anxiety disorder in people’s voices was investigated through acoustic parameters. The study is a case-control study in cross-sectional quality. Voice recordings were obtained from healthy people and patients. With acoustic analysis, 122 acoustic parameters were obtained from these voice recordings. The relation of these parameters to anxious state was investigated statistically. According to the results obtained, 42 acoustic parameters are variable in the anxious state. In the anxious state, the subglottic pressure increases and the vocalization of the vowels decreases. The MFCC parameter, which changes in the anxious state, indicates that people can perceive this situation while listening to the speech. It has also been shown that text reading is also effective in triggering the emotions. These findings show that there is a change in the voice in the anxious state and that the acoustic parameters are influenced by the anxious state. For this reason, acoustic analysis can be used as an expert decision support system for the diagnosis of anxiety.
Źródło:
Archives of Acoustics; 2018, 43, 4; 625-636
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of dichromate and ethanol-chlorobenzene dosimeters in high dose radiation processing
Autorzy:
Šećerov, B.
Bačić, G.
Powiązania:
https://bibliotekanauki.pl/articles/146742.pdf
Data publikacji:
2008
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
radiation processing
Opis:
Dichromate and ethanol-chlorobenzene dosimeters were studied in conditions of annual temperature changes during process control at the Radiation Unit of the Vinča Institute. Measurements were performed in February (10-14°C) and August (22-35°C) for the dose range 10-50 kGy. The difference between measurements using these dosimeters is in agreement with the previous laboratory studies of temperature effect on the dose response of a dichromate dosimeter. The absorbed doses measured by these two dosimeters are in good agreement and the difference is within a limit of 3% for the studied dose range. The uncertainties of dose measurements using dichromate dosimeter arising from irradiation during annual temperature changes appear to be well within acceptable limits indicating that this dosimeter can be used as a routine dosimeter.
Źródło:
Nukleonika; 2008, 53, 3; 85-87
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of wood surface processing on roughness and wetting
Wpływ obróbki drewna na chropowatość i zwilżalność
Autorzy:
Slabejova, G.
Smidriakova, M.
Powiązania:
https://bibliotekanauki.pl/articles/8425.pdf
Data publikacji:
2014
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
wood surface
surface processing
adhesion
wood processing
roughness
wetting
Źródło:
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology; 2014, 87
1898-5912
Pojawia się w:
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wastewater management in food processing enterprises – a case study of the Ciechanów dairy cooperative
Autorzy:
Gugała, M.
Zarzecka, K.
Sikorska, A.
Powiązania:
https://bibliotekanauki.pl/articles/124584.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
dairy processing wastewater
dairy processing
wastewater management
pollution indicators
Opis:
The paper reports on wastewater management in food processing enterprises, using the Ciechanów Dairy Cooperative as an example. The efficiency of preliminary treatment of wastewater entering the municipal sewerage system was evaluated using basic pollution indices for wastewater pre-treated in the process of chemical neutralisation as well as results of physical and chemical analyses of raw wastewater from fromage fraise and cottage cheese production lines. The number of exceedances of permissible values of pollution indices in pre-treated wastewater was determined based on values set in the water legal permits issued by the relevant authority. Pretreated wastewater entering the municipal sewerage system met the standards for permissible wastewater pollution indicators excluding BOD5 (biochemical oxygen demand) and COD (chemical oxygen demand). Physical and chemical analysis was performed of total raw wastewater and wastewater discharged from fromage fraise and cottage cheese production lines. Pollution indicators (COD, total nitrogen, orthophosphates, total suspensions, fats, pH) had high values but they remained within the ranges typical for dairy food processing.
Źródło:
Journal of Ecological Engineering; 2015, 16, 1; 178-183
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Theoretical-Experimental Analysis of the Workability of the Ni50Cr45N0.6 alloy
Autorzy:
Łukaszek-Sołek, A.
Świątoniowski, A.
Celadyn, K.
Sińczak, J.
Powiązania:
https://bibliotekanauki.pl/articles/354402.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
processing maps
processing window
flow instability domain
rolling
microstructure
Opis:
In this paper, the results of investigations into, and of the analyses of, the hot deformation behaviour of the Ni50Cr45N0.6 alloy were presented. Compression tests were conducted on a Gleeble 3800 thermo-mechanical simulator within the following temperatures range 850-1200°C and within that of the strain rate 1-40 s-1 to the constant true strain of 0.9, for the purpose of fulfilling the objective of obtaining experimental stress date. Those data were taken advantage of for the purpose of calculating the workability parameters, and that means the efficiency of power dissipation η, the flow instability ξ and the strain rate sensitivity m. The processing maps based upon Murty’s criterion were drawn up for the following true strain range: 0.2-0.9, and, subsequently, both processing windows and the flow instability areas were determined. For the alloy being analysed, the most advantageous conditions of metal forming were ascertained within the following range of temperatures: 950-1000°C, and for that of the strain rate amounting to 10-40 s-1, and that because of (occurring at the temperature of 950°C) the peak of the efficiency of power dissipation parameter η, amounting to 22% (in accordance with Murty’s criterion). The flow instability areas identified on the processing maps ought to be avoided in metal forming processes. Experimental rolling tests were also conducted.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 1; 59-65
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Intensity of internationalization of food industry sectors and their economic and financial results
Intensywność internacjonalizacji sektorów przemysłu spożywczego a ich wyniki ekonomiczno-finansowe
Autorzy:
Domagała, J.
Powiązania:
https://bibliotekanauki.pl/articles/1789762.pdf
Data publikacji:
2021
Wydawca:
The Polish Association of Agricultural and Agribusiness Economists
Tematy:
food industry sector
economic result
financial result
statistical data
fish processing
milk processing
meat processing
fruit processing
vegetable processing
beverage production
internacjonalizacja
wyniki ekonomiczno-finansowe
sektor
przemysł
spożywczy
Polska
Opis:
The aim of the article is to determine the relationship between the level of internationalization of food industry sectors and their economic and financial results. Unpublished CSO data for the years 2000-2017 were used. The data concerned the processing of fish, milk, meat, fruit and vegetables, beverage production, bakery and flour products, oils and fats, grain mill products, starches and starch products, ready-made feed and animal feed. To conduct the analysis, the internationalization intensity index calculated for individual food sectors was used. The analyzed sectors of the food industry were divided into 3 groups according to the intensity of internationalization. The most internationalized sectors were fish processing and the production of tobacco products, and the least internationalized sectors were milk and meat processing. In the next step, selected groups were compared in terms of economic and financial indicators. In order to confirm the statistical significance of the diagnosed differences, the Kruskal-Wallis rank sum test was used. The research confirmed that the increase in the internationalization of the food industry sectors mainly affects indicators related to the labor factor, technical progress and asset productivity.
Celem artykułu jest określenie zależności między poziomem internacjonalizacji sektorów przemysłu spożywczego a ich wynikami ekonomiczno-finansowymi. Wykorzystano niepublikowane dane GUS za lata 2000-2017, dotyczące przetwórstwa mleka, mięsa, owoców i warzyw, ryb oraz produkcji wyrobów tytoniowych, wyrobów piekarskich i mącznych, produktów przemiału zbóż, skrobi i wyrobów skrobiowych, olejów i tłuszczów, napojów, gotowych pasz i karmy dla zwierząt. Do przeprowadzenia analizy wykorzystano wskaźnik intensywności internacjonalizacji wyliczony dla poszczególnych sektorów spożywczych. Badane sektory przemysłu spożywczego podzielono na 3 grupy według intensywności umiędzynarodowienia. Najbardziej umiędzynarodowionym sektorem okazały się sektory przetwórstwa ryb oraz produkcji wyrobów tytoniowych, a najmniej umiędzynarodowionymi –przetwórstwo mleka i mięsa. Następnie porównano wyodrębnione grupy pod względem wskaźników ekonomiczno-finansowych. W celu potwierdzenia istotności statystycznej zdiagnozowanych różnic wykorzystano test sumy rang Kruskala-Wallisa. Badania potwierdziły, że wzrost internacjonalizacji sektorów przemysłu spożywczego wpływa głównie na wskaźniki związane z czynnikiem pracy, postępem technicznym oraz produktywnością majątku.
Źródło:
Annals of The Polish Association of Agricultural and Agribusiness Economists; 2021, 23, 2; 41-50
2657-781X
2657-7828
Pojawia się w:
Annals of The Polish Association of Agricultural and Agribusiness Economists
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inter-thread communication efficiency
Autorzy:
Sagan, J.
Powiązania:
https://bibliotekanauki.pl/articles/106220.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
multithreading
multithread processing
Opis:
In this paper I compare inter-thread communication methods: blocking queue and LMAX Disruptor without synchronization according to a number of threads (CPU cores) and consumer rate. The research is carried out using a multiprocessor machine with Non Uniformed Memory and Oracle Java Runtime Environment. I determine if processing on many multi-core CPUs with NUMA is faster than on single multi- core CPU or vice versa.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2015, 15, 1; 12-15
1732-1360
2083-3628
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrometallurgical processing of egyptian bauxite
Autorzy:
Amer, A. M.
Powiązania:
https://bibliotekanauki.pl/articles/109434.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
processing
bauxite
Egypt
Opis:
A bauxite ore from Um Bogma, Southwestern Sinai, Egypt was mineralogically characterized. It contains 70% gibbsite, 13.2% quartz and 11.0% kaolinite. Beneficiation of the ore reduced the quartz content to 2.4%. Hydrometallurgical processing of the beneficiated gibbsitic bauxite was performed by hot leaching with sodium carbonate and lime in an attritor. Aluminium was converted to soluble sodium aluminate low in SiO2 (<0.1%) and the recovery was over 95% for a short leaching duration of 30 minutes at 90 °C. The residue was essentially composed of calcium silicate.
Źródło:
Physicochemical Problems of Mineral Processing; 2013, 49, 2; 431-442
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reactivation of antecedens by overt versus null pronouns : Evidence from Persian
Autorzy:
Keshtiari, N.
Vasishth, S.
Powiązania:
https://bibliotekanauki.pl/articles/103825.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Podstaw Informatyki PAN
Tematy:
sentence comprehension
pronoun processing
reactivation
expectation-based processing
Opis:
In Persian, a construction exists in which a gap can optionally be replaced by an overt pronoun. A self-paced reading study (110 participants) suggests that the overt pronoun results in deeper encoding (higher activation) of the antecedent noun, presumably because of richer retrieval cue specifications during antecedent retrieval at the pronoun; this higher activation has the consequence that the antecedent is easier to retrieve at a subsequent stage. This provides new evidence for reactivation effects of the type assumed in the cue-based retrieval model of parsing (Lewis and Vasishth 2005), and shows that dependency resolution is not simply a matter of connecting two codependents; the retrieval cue specification has a differential impast on processing.
Źródło:
Journal of Language Modelling; 2013, 1, 2; 243-266
2299-856X
2299-8470
Pojawia się w:
Journal of Language Modelling
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perceptual global processing and hierarchically organized affordances – the lack of interaction between vision-for-perception and vision-for-action
Autorzy:
Piotr, Styrkowiec
Edward, Nęcka
Powiązania:
https://bibliotekanauki.pl/articles/430678.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
perceptual global processing
affordances
visuo-motor information processing
Opis:
Abstract: In visual information processing, two kinds of vision are distinguished: vision-for-perception related to the conscious identifi cation of objects, and vision-for-action that deals with visual control of movements. Neuroscience suggests that these two functions are performed by two separate brain neural systems – the ventral and dorsal pathways (Milner and Goodale, 1995). Two experiments using behavioural measures were conducted with the objective of exploring any potential interaction between these two functions of vision. The aim was to combine in one task methods allowing for the simultaneous capture of both perceptual global processing and affordance extraction and to check whether they infi uence each other. This aim was achieved by employing the paradigms of Navon (1977) and Tucker and Ellis (1998). A compound fi gure was created made up of objects with handles that might or might not have orientation congruent between levels. The results revealed that while the affordance effect occurred every time, the Navon effect appeared only when subjects focused their attention on object elements responsible for inconsistence within compound fi gure. Most importantly, even when these two effects occurred at once, they had no effect on each other. Results from the study failed to confi rm the hypothesis about interaction and gives support to the view that vision-for-perception and vision-for-action tend to act as separate systems.
Źródło:
Polish Psychological Bulletin; 2012, 43, 3; 151-166
0079-2993
Pojawia się w:
Polish Psychological Bulletin
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FPGA-BASED system for image processing in high resolution infrared camera
Moduł do przetwarzania obrazu z mikrobolometrycznej kamery podczerwnieni z zastosowaniem układu FPGA
Autorzy:
Sosnowski, T.
Bieszczad, G.
Kastek, M.
Madura, H.
Powiązania:
https://bibliotekanauki.pl/articles/389793.pdf
Data publikacji:
2010
Wydawca:
Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
Tematy:
thermal imaging
signal processing
image processing
FPGA
termowizja
przetwarzanie obrazu
Opis:
In article a digital system for high resolution infrared camera control and image processing is described. The camera is built with use of bolometric focal plane array of size 640 by 480 detectors. Designed module controls the microbolometer Focal Plane Array (FPA), performs non-uniformity correction, bad pixel mapping and controls the process of displaying the thermal image. The system was designed in such a way, that signal processing algorithms, needed for specific tasks, can be implemented in it without hardware modifications. It was achieved by the application of a FPGA device and microprocessor unit, which both can be re-programmed inside the system. This scientific work is funded as a development project from science funds for years 2009-2011.
W artykule opisano uniwersalny cyfrowy system sterowania i przetwarzania dla kamery termowizyjnej z matrycowym detektorem bolometrycznym rejestrującym promieniowanie w zakresie widmowym w przedziale 8÷12 μm. Najważniejszym zadaniem systemu jest odczytanie sygnałów z poszczególnych detektorów matrycy oraz korekcja wartości wzmocnienia i napięcia przesunięcia charakterystyki czułości dla każdego detektora matrycy. Następnym zadaniem jest przetworzenie analogowych sygnałów z matrycy na postać cyfrową i ich zamiana na obraz termiczny. Dane odczytane z matrycy są przekazywane do następnych modułów kamery termowizyjnej za pomocą magistrali danych obrazowych. Układ sterowania odczytem jest ponadto wyposażony w magistralę sterowania za pomocą, której można ustawić parametry generowanych sygnałów dla matrycy mikrobolometrycznej. Parametry, które mogą podlegać zmianie to liczba obrazów odczytywanych w ciągu sekundy oraz czas całkowania sygnału z detektorów. W kolejnych modułach przetwarzania obrazu dokonywane są operacje takie jak np. korekcja niejednorodności detektorów matrycy, wykrywanie i usuwanie wadliwych pikseli, zaawansowane metody poprawy jakości obrazu, metody wspomagające wykrywanie i identyfikację obiektów. Dzięki zastosowanej architektury systemu możliwa jest adaptacyjna zmiana działania systemu bez konieczności stosowania znaczących zmian sprzętowych. Praca naukowa finansowana ze środków na naukę w latach 2009-2011 jako projekt rozwojowy.
Źródło:
Zeszyty Naukowe. Telekomunikacja i Elektronika / Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy; 2010, 13; 43-53
1899-0088
Pojawia się w:
Zeszyty Naukowe. Telekomunikacja i Elektronika / Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Depth images filtering in distributed streaming
Autorzy:
Dziubich, T.
Szymański, J.
Brzeski, A. M.
Cychnerski, J.
Korłub, W. M.
Powiązania:
https://bibliotekanauki.pl/articles/259864.pdf
Data publikacji:
2016
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
point cloud processing
distributed system
parallel processing
depth image filtering
Opis:
In this paper, we propose a distributed system for point cloud processing and transferring them via computer network regarding to effectiveness-related requirements. We discuss the comparison of point cloud filters focusing on their usage for streaming optimization. For the filtering step of the stream pipeline processing we evaluate four filters: Voxel Grid, Radial Outliner Remover, Statistical Outlier Removal and Pass Through. For each of the filters we perform a series of tests for evaluating the impact on the point cloud size and transmitting frequency (analysed for various fps ratio). We present results of the optimization process used for point cloud consolidation in a distributed environment. We describe the processing of the point clouds before and after the transmission. Pre- and post-processing allow the user to send the cloud via network without any delays. The proposed pre-processing compression of the cloud and the post-processing reconstruction of it are focused on assuring that the end-user application obtains the cloud with a given precision.
Źródło:
Polish Maritime Research; 2016, 2; 91-98
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 1236

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