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Wyświetlanie 1-10 z 1888
Tytuł:
The biological function of musical performance features
Autorzy:
Podlipniak, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/637764.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
music performance features, adaptation, biological function, cooperation, evolution, emotions
Opis:
In the world of Western musicology music is regarded as possessing two main divisions. The first being performance features which consist of traits such as dynamics, and tempo, and a second known as structural features such as the arrangement of notes in time. The main differences between these divisions is that performance features are evolutionarily ancient, indiscrete and present in many sound expressions, whereas structural features are evolutionarily younger, discrete and music-specific. Performance features are tightly connected with motor activity and emotional processing. Despite the fact that performance features carry information about emotional states, they can also be used as tools of manipulation. It has been proposed that one biological function of these tools is to affect the minds of other animals in order to arouse the need for cooperation in them. It has also been suggested that music performance features are homologous with some prosodic features of speech which evolved as a communicative tool before language and music.
Źródło:
Rocznik Kognitywistyczny; 2015, 8
1689-927X
Pojawia się w:
Rocznik Kognitywistyczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Water vapor induced airborne rotational features
Autorzy:
Marks, Roman
Powiązania:
https://bibliotekanauki.pl/articles/108524.pdf
Data publikacji:
2019
Wydawca:
Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy
Tematy:
rotational configuration of water molecule
airborne eddies
rotational features of greenhouse gasses
Opis:
In order to study the rotational features induced by evaporating water several laboratory experiments were conducted with airborne rotary detection discs made of absorbent cotton wool and ultralight polyurethane foam discs. Measurements indicated that water vapor develops and transits into the air an upwardly directed counterclockwise rotary motion in the Northern Hemisphere, and a clockwise motion in the Southern Hemisphere. Additionally, measurements of the thermal structure of the air/water interface indicated that evaporating water may gather rotational momentum in the warmer subsurface layer. The conducted observations suggest that the process of water evaporation may be based on the grouping of some coherently spiraling molecules in the liquid phase. The interacting molecules combine their partial rotational momentums, thus allowing the top molecule to transit via the surface tension microlayer and become airborne. At the moment of evaporation, the gathered rotational energy is taken over by the free bi-hydrogen rotor-arm of the evaporating molecule that starts to revolve. Next, the water vapor-induced rotational share of the kinetic energy is likely to be redistributed among other gaseous molecules and transferred into heat (during condensation) that further energizes the airborne convective loops. In order to confirm the rotary effects induced by water vapor, several field experiments were conducted with airborne rotary detection ribbons in the Northern Hemisphere. The observations confirmed that a more enhanced counterclockwise spiraling motion of air is found with air currents under atmospheric lows of a higher relative humidity, while weaker and clockwise directed rotary dominates under atmospheric highs.
Źródło:
Meteorology Hydrology and Water Management. Research and Operational Applications; 2019, 7, 2; 39-47
2299-3835
2353-5652
Pojawia się w:
Meteorology Hydrology and Water Management. Research and Operational Applications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Change Point Determination in Audio Data Using Auditory Features
Autorzy:
Maka, T.
Powiązania:
https://bibliotekanauki.pl/articles/226762.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
audio change point detection
auditory features
gammatone filter bank
Opis:
The study is aimed to investigate the properties of auditory-based features for audio change point detection process. In the performed analysis, two popular techniques have been used: a metric-based approach and the ∆BIC scheme. The efficiency of the change point detection process depends on the type and size of the feature space. Therefore, we have compared two auditory-based feature sets (MFCC and GTEAD) in both change point detection schemes. We have proposed a new technique based on multiscale analysis to determine the content change in the audio data. The comparison of the two typical change point detection techniques with two different feature spaces has been performed on the set of acoustical scenes with single change point. As the results show, the accuracy of the detected positions depends on the feature type, feature space dimensionality, detection technique and the type of audio data. In case of the ∆BIC approach, the better accuracy has been obtained for MFCC feature space in the most cases. However, the change point detection with this feature results in a lower detection ratio in comparison to the GTEAD feature. Using the same criteria as for ∆BIC, the proposed multiscale metric-based technique has been executed. In such case, the use of the GTEAD feature space has led to better accuracy. We have shown that the proposed multiscale change point detection scheme is competitive to the ∆BIC scheme with the MFCC feature space.
Źródło:
International Journal of Electronics and Telecommunications; 2015, 61, 2; 185-190
2300-1933
Pojawia się w:
International Journal of Electronics and Telecommunications
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Фонетичні особливості казок ХІХ ст. з Поділля
Phonetic Features of Fairytales of the 19th Century in the Podillya Region
Autorzy:
Kowałenko, Borys
Powiązania:
https://bibliotekanauki.pl/articles/1844288.pdf
Data publikacji:
2015-07-26
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
folk and ethnographic records
Podillya
Podillian dialect
dialect
dialectal features
phonetic features
fairytales
Opis:
In the article it is shown that folklore and ethnographic records are an important source of historical research into Podillya dialects. S. Rudanskiy, K. Sheykovskiy, A. Kopitskiy, A. Dyminskiy, Marko Vovchok and O. Markovych played an important role in researching oral folk art. The author of the research analysed the texts of Ukrainian fairytales, which were recorded in the Podillya region in the middle of the 19th century by A. Dyminskiy and S. Rudanskiy, and composed by M. Levchenko. The texts of these fairytales fix a great number of Podillian phonetical features, which still exist even now and which demonstrate the remoteness and vitality of these dialects. It has been proved that only authentic texts can serve as a valuable and reliable source for linguistic study of the dynamic Podillyan people’s dialect.
Źródło:
Studia Ucrainica Varsoviensia; 2015, 3; 47-55
2299-7237
Pojawia się w:
Studia Ucrainica Varsoviensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lexicogrammatical Features in Japanese English: A Study of Five Speakers
Autorzy:
Yamaguchi, Toshiko
Powiązania:
https://bibliotekanauki.pl/articles/620548.pdf
Data publikacji:
2018-11-16
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
creativity
Japanese English
lexicogrammatical features
multiple knowledge about two languages
Opis:
Japanese English (JE) refers to the English spoken by Japanese citizens. This paper characterizes JE by examining its lexicogrammatical features produced by five speakers participating in experimental recordings. Drawing on the initiatives taken by Cogo and Dewey’s seminal work (2012), this study presents nine lexicogrammatical features which are taken to be typical of JE. It is shown that one decisive factor in creating a new variant is the formation of an alternative form to its native counterpart and this mechanism is sourced from the speaker’s multiple knowledge about two languages.
Źródło:
Research in Language; 2018, 16, 3
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perceptual Colour Correlogram and Perception-based Statistical Features of Colour Texture
Autorzy:
Bojar, K.
Powiązania:
https://bibliotekanauki.pl/articles/384727.pdf
Data publikacji:
2015
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
perceptual colour correlogram
perceptual texture features
colour texture classification
Opis:
In this paper a novel definition and understanding of colour correlogram has been proposed. The proposed colour correlogram generalizes the spatial graylevel dependency matrix (SGLDM) to the case of colour textures. This generalization is based on perceptual colour difference measure expressed in the language of the CIELab colour space components. Application of the colour difference instead of arbitrary colour indices or colour components themselves allows to avoid colour-shuffling palletization and introduction of multidimensional objects, respectively; the proposed perceptual colour correlogram is a single 2D matrix. At the same time, a simple relation of the proposed colour correlogram to the spatial graylevel dependency matrix for graylevel textures is retained. Based on this relation it will be shown that there exists a vector of statistical features built from the perceptual colour correlogram which can be used to describe textures in perceptual terms. These statistical features and their abovementioned perceptual interpretation generalize Haralick concepts derived for the SGLDM.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2015, 9, 1; 12-17
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of mass changes of flying objects on their dynamic features
Autorzy:
Wiśniewski, W.
Powiązania:
https://bibliotekanauki.pl/articles/246227.pdf
Data publikacji:
2010
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport
air transport
dynamics features
resonance researches
mass loss
Opis:
The aim of this work is the experimental study of the weight loss impact on the properties of flying objects. Work is hased on the results of resonance tests of the helicopter, gliders and military aircraft. In the presented flying objeets group the possible occurrence of weight losses during the flight are up to 50%. The paper posed the following questions: How big can be, in practice, the weight loss during the flight? To which resonance the mass loss has the greatest impact? How and by what rules the map of resonances changes? Does in the process of weight loss there are other, worth-knowing events? Gliders, airplanes and a helicopter were investigated in the Resonance Test Laboratory of Institute of Aviation. The author has organized and for over 20 years led the Resonance Test Laboratory at the Institute of Aviation, in which he made or directed the investigations of dozens of aircraft, gliders, helicopters and their elements and components. Effect of weight loss on the flying objeets properties is one of several ,,unusual" research topics phenomena, which the author observed during a standard resonance tests. The resonance of the mode shape of Jantar 15 glider, comparison of the relative increase in the frequencies of the resonances with mode shape for SZD-50 Jantar 15-2 and IS-2 Revelation gliders, results of investigations of the underwing stores loss of mass impact on the „Pattem" aircraft resonances freąuencies, the resonance frequency of the 1-22 Iryda aircraft are presented in the paper. The resonance of the mode shape of Jantar 15 glider, comparison of the relative increase in the frequencies of the resonances with mode shape for SZD-50 Jantar 15-2 and IS-2 Revelation gliders, results of investigations of the underwing stores loss of mass impact on the ,,Pattern" aircraft resonances frequencies, the resonance frequency of the 1-22 Iryda aircraft are presented in the paper.
Źródło:
Journal of KONES; 2010, 17, 4; 591-598
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ustalenie strony podmiotowej czynu zabronionego w przypadku sprawcy niepoczytalnego
Atributing Subjective Features of the Criminal Act in Case of an Insane Perpetrator
Autorzy:
Galiński, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/1596035.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
subjective features
insanity
attributing subjective features
strona podmiotowa
niepoczytalność
ustalenie strony podmiotowej
Opis:
Ustalenie strony podmiotowej danego przestępstwa, czyli stosunku wolicjonalno-intelektualnego sprawcy do zarzucanego mu czynu, jest nad wyraz istotne dla rozstrzygnięcia sprawy choćby dlatego, że wpływa na wymiar kary. O ile w przypadku osoby poczytalnej co do zasady ustalenie strony podmiotowej nie stanowi trudności, o tyle w przypadku sprawcy niepoczytalnego jego zaburzenia psychiczne utrudniają wspomniane ustalenie. Zaburzenia te powodują, że cierpiące na nie osoby niekiedy w inny sposób odczuwają wolę popełnienia czynu bądź jej brak, a także w inny sposób aniżeli osoby poczytalne przewidują lub nie przewidują możliwości popełnienia czynu zabronionego. W związku z tym kwestia ustalenia strony podmiotowej czynu zabronionego w przypadku popełnienia tego czynu przez sprawcę niepoczytalnego jest przedmiotem sporu w doktrynie. Autor swoje rozważania zacznie od omówienia, czym jest strona podmiotowa, a także czym jest niepoczytalność w rozumieniu kodeksu karnego z 1997 roku. Przedstawi także przykładowe poglądy doktryny co do omawianego problemu, niekiedy będące sobie przeciwstawne. Przytoczy również wybrane orzeczenia związane z omawianą materią. Następnie przedstawi własne stanowisko, odnosząc się przy tym do poglądów przedstawicieli doktryny.
Attributing the subjective features of the crime, in other words volitional and intellectual attuite at criminal act committed by perpetrator, is extremally important for settle the matter, if only because it have an influence at the punishment. In case of sane person in principle attributing subjective features is not difficult. But in case of insane perpetrator, perpetrator’s mental disorder impedes this attributing. This disorder cause that insane person sometimes in another way feels the desire to committing of criminal act or not. Insane persons also in another way than sane persons predicts or not possibility of committing the criminal act. Therefore issue of attributing subjective features of the criminal law in case of committing criminal act by insane perpetrator is issue in a dispute in Polish doctrine of criminal law. The author will start his consideration at elaborate what is subjective feature and insanity in sense of Criminal Code from 1997. Author will presents also examples of the Polish doctrine of criminal law views as to this problem, which are sometimes extremely different. The author also will quote some judgments as to this problem. At next the author will elaborate his opinion in the issue of attributing subjective features.
Źródło:
Acta Iuris Stetinensis; 2018, 21, 1; 321-335
2083-4373
2545-3181
Pojawia się w:
Acta Iuris Stetinensis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methods of identification and delimitation of concave terrain features based on ISOK-NMT data
Autorzy:
Oberski, T.
Powiązania:
https://bibliotekanauki.pl/articles/297890.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
DTM
ISOK
Terrain
concave features
GIS
Opis:
Airborne Laser Scanning (ALS) products are now often used to study the terrain due to their numerous advantages such as relatively low cost and ease of data collection. The ISOK project (pl: Informatyczny System Osłony Kraju – national hazard protection information system) developed elevation data for about 65% of the Polish territory. Parallel to the airborne laser scanning point cloud collection, additional products, such as orthophotomaps, digital terrain models (DTM), and digital surface models (DSM) were created. This resource is not only a reference material for the project, but also a valuable source of the analysis used in various fields of economy and science. Important features of the ISOK-data are the availability and their standardized format based on uniform technical conditions. The article presents the results of an experiment in which an attempt was made to use the digital elevation model with a resolution of 1 m based on airborne laser scanning data to determine concave terrain features using GIS tools. The ISOK-DTM has a height accuracy of 0.15 m for the outdoor areas, which makes it a better representation of small terrain forms than previous products. The research area is located at an undeveloped open ground with comparatively little variation of its shape for a long period. Several methods were tested to classify the terrain shape based of topographic attributes. Those methods led to similar locations of the concave features and further on coincide with results of the pre-analysis. Also, attention was drawn to the selection of the analysis parameters and their influence on the result. The results show the usefulness of ISOK’s DTM for locating field concave terrain shapes.
Źródło:
Technical Sciences / University of Warmia and Mazury in Olsztyn; 2016, 19(1); 59-70
1505-4675
2083-4527
Pojawia się w:
Technical Sciences / University of Warmia and Mazury in Olsztyn
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploring the use of syntactic dependency features for document-level sentiment classification
Autorzy:
Kalaivani, K. S.
Kuppuswami, S.
Powiązania:
https://bibliotekanauki.pl/articles/201609.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
document-level sentiment classification
syntactic dependency features
generalized dependency features
information gain
weighted frequency
weighted odds
zdobywanie informacji
częstotliwość
szanse
Opis:
An automatic analysis of product reviews requires deep understanding of the natural language text by machine. The limitation of bag-of-words (BoW) model is that a large amount of word relation information from the original sentence is lost and the word order is ignored. Higher-order-N-grams also fail to capture the long-range dependency relations and word order information. To address these issues, syntactic features extracted from the dependency relations can be used for machine learning based document-level sentiment classification. Generalization of syntactic dependency features and negation handling is used to achieve more accurate classification. Further to reduce the huge dimensionality of the feature space, feature selection methods based on information gain (IG) and weighted frequency and odds (WFO) are used. A supervised feature weighting scheme called delta term frequency-inverse document frequency (TF-IDF) is also employed to boost the importance of discriminative features using the observed uneven distribution of features between the two classes. Experimental results show the effectiveness of generalized syntactic dependency features over standard features for sentiment classification using Boolean multinomial naive Bayes (BMNB) classifier.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2019, 67, 2; 339-347
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 1888

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