Search results for "video"

showing 10 items of 1348 documents

Vitom® 3D in arterio-venous fistulas: Single centre preliminary surgical experience

2021

Background: Arteriovenous fistula (AVF) is the vascular access of choice for hemodialysis patients. A correct microsurgical vascular anastomoses is essential to the optimal care of patients. Loupes can help surgeons perform such procedures, but often cause neck or back pain and fatigue. Aim: This study aimed to evaluate whether a video telescopic operating microscope (VITOM®; Karl Storz Endoscopy GmbH, Tuttlingen, Germany) could be used as a substitute for loupes to create microsurgical vascular anastomoses. Methods: We evaluated microsurgical anastomoses with VITOM® in 10 patients (6 male, 4 female) from January 2019 to December 2019. The created anastomoses were 7 side-to-side, 2 side-to-…

haemodialysisminivasive surgeryvascular anastomosisvideo-assisted procedureschronic kidney disease
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Elektronisen ja perinteisen urheilun vertailua

2017

Elektroninen urheilu, eli videopelien pelaaminen kilpailullisesti, on kasvattanut suosiota ja on merkittävä osa joidenkin elämää. Elektroninen urheilu on myös luonut monille ihmisille mahdollisuuden nousta suosioon e-urheilijana. Kyseessä on kuitenkin suhteellisen tuore ilmiö, joka muuttaa muotoaan edelleen ja sen tämänhetkinen tila on epävakaa. Tässä tutkielmassa pyritään selvittämään elektronisen urheilun ”urheilullistamiseen” liittyviä haasteita. Pääpainona pyritään saamaan jonkinlainen käsitys, voiko elektronista urheilua luokitella urheiluksi. Playing video games competitively, also known as electronic sports, is a phenomenon which has lately grown in popularity and has become a great …

hienomotoriikkafyysisyyseSportsurheiluelektroninen urheilue-urheiluvideopelitkarkeamotoriikkatietokonepelit
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Time Unification on Local Binary Patterns Three Orthogonal Planes for Facial Expression Recognition

2019

International audience; Machine learning has known a tremendous growth within the last years, and lately, thanks to that, some computer vision algorithms started to access what is difficult or even impossible to perceive by the human eye. While deep learning based computer vision algorithms have made themselves more and more present in the recent years, more classical feature extraction methods, such as the ones based on Local Binary Patterns (LBP), still present a non negligible interest, especially when dealing with small datasets. Furthermore, this operator has proven to be quite useful for facial emotions and human gestures recognition in general. Micro-Expression (ME) classification is…

human eyeHistogramsgeometryUnificationComputer scienceLocal binary patternsoptimisationFeature extraction02 engineering and technologyhuman gestures recognitionFacial recognition systemcomputer visionVideos[INFO.INFO-AI]Computer Science [cs]/Artificial Intelligence [cs.AI]time unification method03 medical and health sciences0302 clinical medicineMathematical modelLBPemotion recognition0202 electrical engineering electronic engineering information engineeringfacial emotionsfacial expression recognitionlocal binary patternsFace recognitionContextual image classificationArtificial neural networkbusiness.industryDeep learningdeep learning[INFO.INFO-CV]Computer Science [cs]/Computer Vision and Pattern Recognition [cs.CV]Pattern recognitionComputational modelingmicroexpression classificationInterpolationorthogonal planesneural netsmachine learning[INFO.INFO-TI]Computer Science [cs]/Image Processing [eess.IV]Micro expressionFeature extraction020201 artificial intelligence & image processinglearning (artificial intelligence)Artificial intelligencebusiness030217 neurology & neurosurgeryGestureimage classification
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Video kursu skatīšanas lietotne iOS platformā

2017

Kvalifikācijas darbā izstrādāta iOS platformas lietotne video kursu skatīšanai. Lietotne veidota ar mērķi padarīt šo kursu piekļuvi ērtāku uzņēmuma klientiem, nekā to piedāvā esošā WEB mācību platforma. Lietotne piedāvā video lejupielādi un skatīšanu bezsaistē, ērtu lietotāja saskarni, pašpiegādes paziņojumu saņemšanu par savu un citu lietotāju aktivitāti, kā arī citas iespējas, ko lietotāji minējuši, kā trūkumus esošajā mācību platformas risinājumā. Projekts izstrādāts, izmantojot spējo izstrādes metodoloģiju un ievērojot platformas iOS un valodas Swift labās prakses piemērus.

iOSDatorzinātneWEB APIvideo kursu platformaSwift
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Muerte e identidad en Final Fantasy IX

2020

espanolLos videojuegos se han desarrollado como medio de comunicacion audiovisual y social que sirven como reflejo verosimil de diferentes aspectos de la propia sociedad. En el caso que nos ocupa, vamos a analizar como se conciben la muerte” y la identidad” en el videojuego Final Fantasy IX. Asi, analizaremos la muerte dentro de la propia historia, y partir de dicho analisis, veremos de que forma se construyen las identidades de los personajes. Para ello, basaremos nuestro estudio en la semiotica, atendiendo tanto a aspectos visuales como sociologicos, puesto que la construccion de la identidad esta ligada a los elementos visuales del videojuego y en conexion con la muerte y las relaciones …

identidadesHGeneral Earth and Planetary SciencesvideojuegoSocial SciencesFantasysociologíaHumanitiesVideo gamesemióticaGeneral Environmental SciencesociedadBarataria : Revista Castellano-Manchega de Ciencias Sociales
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La creación audiovisual en Educación Artística. Un estudio a partir de autorretratos e identidades desde la videocreación.

2019

Esta experiencia pretende indagar acerca del lugar que ocupan las prácticas artísticas contemporáneas formadas por nuevas narrativas audiovisuales dentro de los contextos educativos. El período académico que abarca esta investigación, Educación Secundaria Obligatoria (E.S.O.) y Bachillerato, supone para los estudiantes un buen momento para hacer uso de nuevas estrategias establecidas en las artes. En esta línea, aportan nuevos conocimientos en el seno de la Educación Artística en el contexto educativo. La incorporación en la enseñanza secundaria de actividades didácticas inspiradas en el Arte Contemporáneo de índole audiovisual posibilita el desarrollo de manera crítica y reflexiva sobre as…

identidadesautorretrato audiovisualvideoartevideografíasvideocreacióneducación artísticaaudiovisual
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Uskonnolliset viittaukset Marilyn Mansonin Long Hard Road Out Of Hell-musiikkivideolla: intertekstuaalinen analyysi

2017

ikonologiaintertekstuaalisuusMarilyn Mansonuskonnollinen kuvastomusiikkivideo
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Space-Frequency Quantization for Image Compression With Directionlets

2007

The standard separable 2-D wavelet transform (WT) has recently achieved a great success in image processing because it provides a sparse representation of smooth images. However, it fails to efficiently capture 1-D discontinuities, like edges or contours. These features, being elongated and characterized by geometrical regularity along different directions, intersect and generate many large magnitude wavelet coefficients. Since contours are very important elements in the visual perception of images, to provide a good visual quality of compressed images, it is fundamental to preserve good reconstruction of these directional features. In our previous work, we proposed a construction of critic…

image orientation analysisMultiresolution analysisVideo RecordingComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISIONImage processingnonseparable transformsmultiresolution analysisRate–distortion theoryWaveletDVMsImage Interpretation Computer-AssistedComputer GraphicsComputer visionQuantization (image processing)image codingimage segmentationMathematicsbusiness.industryWavelet transformNumerical Analysis Computer-AssistedSignal Processing Computer-AssistedWTsData CompressionImage EnhancementComputer Graphics and Computer-Aided Designwavelet transformsdirectional vanishing momentsdirectional transformsArtificial intelligencebusinessAlgorithmsSoftwareImage compressionData compressionIEEE Transactions on Image Processing
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Assisting immersive virtual reality development with user experience design approach

2017

In our study we explored how to design a biography of a late Finnish artist as a VR experience. We conducted a development process assisted by user experience (UX) design methods, which increased the process efficiency, and resulted in a research prototype. Through previous research and our development process, we identified components affecting the user experience. These components are: Immersion, Presence, Disorientation, Sense of Control, Pleasantness, Exploration and Simulator Sickness. From our user study with 13 participants, we were able to draw implications that relate to these components. While the set of components could be incomplete or subject to change, shows that further resea…

immersionEngineering02 engineering and technologyVirtual realitycomputer.software_genreUser experience designHuman–computer interaction0202 electrical engineering electronic engineering information engineeringImmersion (virtual reality)0501 psychology and cognitive sciencesta518Design methods050107 human factorsta113Multimediabusiness.industryomnidirectional videoUser journey05 social sciencesuser experience design020207 software engineeringinteractive omnidirectional videoUser interface designSimulator sicknessProcess efficiencyvirtual realitybusinesscomputerProceedings of the 21st International Academic Mindtrek Conference
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From a Finnish player to an English avatar : language alternation in immersive video gaming sessions

2015

Videopelien pelaamisesta on tullut suosittu harrastus, joka sisältää usein aktiivista ja monikielistä kommunikointia pelaajien kesken. Pelaamisen sosiaalisuutta ja keskustelijoiden koodinvaihtoa käsittelevän tutkimuksen asetelmat ovat keskittyneet yhdellä ruudulla pelattaviin konsolipeleihin, vaikka internet on mahdollistanut etämoninpelaamisen ja ääniviestien välittämän vuorovaikutuksen. Kokemus virtuaaliseen maailmaan eläytymisestä voi muovata pelaajien välistä keskustelua, ja ilman kehonkieltä kielellisillä valinnoilla on pelaajien reaktioiden sekä hahmoihin samaistumisen ilmaisemisessa entistä suurempi rooli. Tämän tutkielman tarkoitus oli selvittää, mihin tarkoituksiin ja kuinka laajas…

immersionEnglishFinnishvideo gamescode-switching
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