Now showing items 1-20 of 213

    • 3D IMAGE MESH ENTROPY CODING 

      Samus, N.S.; Osharovskaya, E.V.; Самусь, Н.С.; Ошаровська, О.В.; Самусь, Н.С.; Ошаровская, Е.В. (ОНАЗ ім. О.С. Попова, 2014)
      In this article we have introduced a compressed representation for triangular meshes. Because proximity in this vertex spanning tree often implies geometric proximity of the corresponding vertices, we can use ancestors ...
    • ADAPTIVE DECOMPOSION OF TV IMAGES 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Osharovska, O.V.; Ошаровська, О.В.; Ошаровская, О.В.; Patlayenko, M.O.; Патлаєнко, М.О.; Патлаенко, Н.А.; Pyliavskyi, V.V.; Пілявський, В.В.; Пилявский, В.В. (UkrMiCo, Odessa, 2017)
      The paper presents the results of modeling adaptive decomposition for ultra-high definition television, which provides image compression without subjective deterioration of quality. The decomposition of the images was ...
    • ANALYSIS AND COMPARISON OF CONNECTIVITY AND GEOMETRY MESH COMPRESSION IN 3D OBJECTS 

      Samus, N.S.; Самусь, Н.С. (ОНАЗ ім. О.С. Попова, 2017)
      In this article the different connectivity and geometry compression algorithms of 3D objects were analyzed and compared. Mesh connectivity is completely unknown to the encoder before the compression. Face Fixer, Edgebreaker ...
    • THE APPLICABILITY OF PID-CONTROLLERS TO THE LOUDSPEAKERSWITH AN ELECTROMECHANICAL FEEDBACK 

      Сулима, Н.Н.; Суліма, М.М.; Sulima, N.N. (ОНАЗ ім. О.С. Попова, 2013)
      In this paper, a preliminary analysis of the possibilities of application of PID controllers for management under coverage loudspeaker electromechanical feedback (MFB). It is shown that for certain classes of MFB use PID ...
    • ASSOCIATIVE RELATIONS IN THE ASSESMENT OF TV IMAGES 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Osharovska, O.V.; Ошаровська, О.В.; Ошаровская, О.В.; Patlayenko, M.O.; Патлаєнко, М.О.; Патлаенко, Н.О.; Pyliavskyi, V.V.; Пілявський, В.В.; Пилявский, В.В. (Белорусский государственный университет информатики и радиоэлектроники, 2017)
      With the creation and international standardization HDTV and UHDTV systems becomes an actual task of specification test signals to be used in the construction and maintenance video path and equipment of this systems. In ...
    • COLOR SPACES OF VIDEO SEQUENCES DIGITAL CODING SYSTEMS 

      Gofaizen, O.V.; Pilyavskiy, V.V.; Гофайзен, О.В.; Пилявский, В.В.; Гофайзен, О.В.; Пилявський, В.В. (ОНАЗ ім. О.С. Попова, 2016)
      In the work it is built generalized description and comparison of color spaces defined by standards for digital encoding of video sequences MPEG-2 Video, MPEG-4 Visual, MPEG-4 AVC and MPEG-H HEVC taking into account the ...
    • COLOUR APPEARANCE METRIC FOR USE IN VIDEO APPLICATIONS 

      Gofaizen, O.V.; Pilyavskiy, V.V.; Гофайзен, О.В.; Пилявський, В.В.; Гофайзен, О.В.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2017)
      The article presents a description of the new CAM16 color appearance model developed by the CIE to replace the currently acting model CIECAM02, improved with respect to the correctness of the algorithm for its ...
    • CONSTRUCTION OF EQUIDISTANT GRID IN UNIFORM COLOR SPACE, UNIFORMLY FILLING COLOR GAMUT TRANSMITTED AND REPRODUCED BY TELEVISION SYSTEMS 

      Гофайзен, О.В.; Пилявский, В.В.; Гофайзен, О.В.; Пилявський, В.В.; Gofaizen, O.V.; Pilyavskiy, V.V. (ОНАЗ ім. О.С. Попова, 2013)
      A method of constructing a grid of colors in uniform space that uniformly fills color gamut transmitted and reproduced by television systems. Coordinates and position of the mesh of colors in color spaces CAM02-USC, CIECAM02 ...
    • CONSTRUCTION OF POLAR COORDINATES GRID IN UNIFORM COLOR SPACE, UNIFORMLY FILLING AREA OF EXISTING COLORS, PARTICULARLY OF COLOR GAMUT TRANSMITTED AND REPRODUCED BY TELEVISION SYSTEMS 

      Гофайзен, О.В.; Гофайзен, О.В.; Gofaizen, O.V.; Пилявский, В.В.; Пілявський, В.В.; Pilyavskiy, V.V. (ОНАЗ ім. О.С. Попова, 2015)
      A method of constructing polar coordinates grid in uniform color space, uniformly filling area of existing colors, particularly of color gamut transmitted and reproduced by television systems, is proposed. Coordinates and ...
    • EFFICIENCY STUDY OF ALGORITHMS APPLIED IN DVB-T/ DVB-T2 SYSTEMS AT PRESENCE OF PHASE NOISE 

      Баляр, В.Б.; Balyar, V.B. (ОНАЗ ім. О.С. Попова, 2014)
      In article study results in direction of efficiency estimation of algorithms used in DVB-T/ DVB-T2 systems at presence of phase noise with parameters defined in DSTU ETSI TR 101 290. Obtained estimations will be used as ...
    • FOURIER ANALYSIS OF THE TEXTURE OF HIGH-DEFINITION IMAGES 

      Osharovskaya, E.V.; Ошаровська, О.В.; Ошаровская, Е.В.; Patlayenko, N.A.; Патлаєнко, М.О.; Патлаенко, Н.А.; Pyliavskyi, V.V.; Пілявський, В.В.; Пилявский, В.В. (Львівський національний університет ім. Івана Франка, 2018)
      This paper presents the results of measuring the signal-to-noise ratio at the boundary of object contours in highdefinition images after compression of the original digital stream based on the Fourier transform and the ...
    • FRACTAL CODING OF VIDEO SEQUENCES BY GENETIC ALGORITHM 

      Osharovskaya, E.V.; Patlaenko, N.A.; Ошаровська, О.В.; Патлаєнко, М.О.; Ошаровская, Е.В.; Патлаенко, Н.А. (ОНАЗ ім. О.С. Попова, 2017)
      The results of application of the modified genetic algorithm of fractal coding to still images and video sequences are presented. The dependence of the compression coefficient on the size of the rank block is obtained. ...
    • MATCHING OF SOME COLOR SPACES FOR USE IN DIFFERENT INDUSTRIES AND COLOR SPACES OF TELEVISION SYSTEMS 

      Gofaizen, O.V.; Pilyavskiy, V.V.; Гофайзен, О.В.; Пилявський, В.В.; Гофайзен, О.В.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2013)
      The comparison of the colorimetric characteristics of the systems used in different color image industries, such as digital television systems of high and ultrahigh-definition, digital photo printing systemы RIMM-ROMM and ...
    • THE METHOD OF DETERMINATION BOUNDARIES IN UNIFORM COLOR SPACE OF COLOR GAMUT TRANSMITTED AND REPRODUCED BY TV AND OTHER IMAGING SYSTEMS 

      Гофайзен, О.В.; Пилявский, В.В.; Гофайзен, О.В.; Пилявський, В.В.; Gofaizen, O.V.; Pilyavskiy, V.V. (ОНАЗ ім. О.С. Попова, 2014)
      A method of definition color gamut, transmitted and reproduced by TV systems and by other video applications, built on the basis of use of the additive colorimetry. Представлен метод построения области цветов, передаваемых ...
    • MODERN PROGRESS OF TV COLORIMETRY. PROPOSALS FOR REVISION REPORT ITU-R BT.2380 “ELEMENTS OF TELEVISION COLORIMETRY” 

      Gofaizen, O.V.; Pilyavskiy, V.V; Гофайзен, О.В.; Пилявский, В.В.; Гофайзен, О.В.; Пилявський, В.В. (ОНАЗ ім. О.С. Попова, 2016)
      The article presents a picture of the progress of colorimetric science from the point of view of its application in television and related video applications. It is proposed to make changes reflecting this progress in the ...
    • MULTI-PRIMARY REPRODUCTION OF TV IMAGES PRODUCED BY SDTV, HDTV AND UHDTV SYSTEMS 

      Гофайзен, О.В.; Пилявский, В.В.; Козарезнюк, А.А.; Гофайзен, О.В.; Пилявський, В.В.; Козарезнюк, А.А.; Gofaizen, O.V.; Pilyavskiy, V.V.; Kozareznyuk, A.A. (ОНАЗ ім. О.С. Попова, 2013)
      An analysis of colorimetric characteristics of television images reproduction systems based on use several primary colors, more than three is presented. The case is considered when multi-primary reproduction of images ...
    • NEW METHOD OF MOTIONAL FEEDBACK IN LOUDSPEAKERS 

      Суліма, М.М.; Сулима, Н.Н.; Sulima, N.N. (Хмельницький національний університет, 2014)
      Main features and differences of new method of motional feedback (MFB) were shown via linear simulation of closedbox loudspeakers. In this method the signal of MFB is summary electrical equivalent of acceleration, velocity ...
    • NOISE ELIMINATION BY THE SAVITZKY-GOLAY FILTER WITH NON-INVASIVE MONITORING OF HUMAN HEALTH 

      Vyznuk, O.M.; Baliar, V.B.; Osharovska, O.V.; Визнюк, О.M.; Баляр, В.Б.; Ошаровська, О.В.; Вызнюк, А.M.; Баляр, В.Б.; Ошаровская, Е.В. (ОНАЗ ім. О.С. Попова, 2018)
      The article highlights the details of the construction of the algorithm that helps to filter out the noise and artifacts of the musculoskeletal activity in non-invasive monitoring of the human cardiovascular system. Since ...
    • NORMATIVE SUPPORT OF EFFICIENT INTRODUCTION AND FURTHER PROGRESS OF DIGITAL TELEVISION AND MULTIMEDIA BROADCASTING TECHNOLOGIES 

      Gofaizen, O.V.; Balyar, V.B.; Pilyavskiy, V.V.; Гофайзен, О.В.; Баляр, В.Б.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2017)
      The transition to digital television broadcasting and further progress of digital systems and technologies in the terrestrial environment continues worldwide. An important part of this transition is the introduction of ...
    • PROBLEM QUESTIONS OF TV COLORIMETRY 

      Gofaizen, O.V.; Гофайзен, О.В.; Гофайзен, О.В.; Pilyavskii, V.V.; Пилявський, В.В.; Пилявский, В.В. (ОНАЗ ім. О.С. Попова, 2014)
      The analysis of problematic issues that have arisen in the process of drafting the ITU Handbook "TV colorimetry" and the ITU Report "Elements of TV colorimetry" conducted by WP 6C ITU-R, in which the authors are actively ...