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Artykuły w czasopismach na temat "Parametric coding"
Sudaradjat, Djadjat, i Andi Rosano. "Low Bit-Rate Parametric Coding". Paradigma - Jurnal Komputer dan Informatika 24, nr 2 (2.09.2022): 125–29. http://dx.doi.org/10.31294/paradigma.v24i2.1391.
Pełny tekst źródłaMilova, Julia, i Yuri Melnik. "POLYPARAMETRIC BLOCK CODING". Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska 11, nr 1 (31.03.2021): 50–53. http://dx.doi.org/10.35784/iapgos.2413.
Pełny tekst źródłaJensen, Jesper Rindom, Mads GrÆsbØll Christensen, Morten Holm Jensen, SØren Holdt Jensen i Torben Larsen. "Robust Parametric Audio Coding Using Multiple Description Coding". IEEE Signal Processing Letters 16, nr 12 (grudzień 2009): 1083–86. http://dx.doi.org/10.1109/lsp.2009.2030852.
Pełny tekst źródłaChristensen, M. G., i S. van de Par. "Efficient parametric coding of transients". IEEE Transactions on Audio, Speech and Language Processing 14, nr 4 (lipiec 2006): 1340–51. http://dx.doi.org/10.1109/tsa.2005.858038.
Pełny tekst źródłaYaghoobi, M., L. Daudet i M. E. Davies. "Parametric Dictionary Design for Sparse Coding". IEEE Transactions on Signal Processing 57, nr 12 (grudzień 2009): 4800–4810. http://dx.doi.org/10.1109/tsp.2009.2026610.
Pełny tekst źródłaStrother, C. M., F. Bender, Y. Deuerling-Zheng, K. Royalty, K. A. Pulfer, J. Baumgart, M. Zellerhoff, B. Aagaard-Kienitz, D. B. Niemann i M. L. Lindstrom. "Parametric Color Coding of Digital Subtraction Angiography". American Journal of Neuroradiology 31, nr 5 (18.02.2010): 919–24. http://dx.doi.org/10.3174/ajnr.a2020.
Pełny tekst źródłaDong, Jie, i King Ngi Ngan. "Parametric Interpolation Filter for HD Video Coding". IEEE Transactions on Circuits and Systems for Video Technology 20, nr 12 (grudzień 2010): 1892–97. http://dx.doi.org/10.1109/tcsvt.2010.2087530.
Pełny tekst źródłaRaghuvanshi, Nikunj, i John Snyder. "Parametric directional coding for precomputed sound propagation". ACM Transactions on Graphics 37, nr 4 (10.08.2018): 1–14. http://dx.doi.org/10.1145/3197517.3201339.
Pełny tekst źródłaBarak, O., M. Tsodyks i R. Romo. "Neuronal Population Coding of Parametric Working Memory". Journal of Neuroscience 30, nr 28 (14.07.2010): 9424–30. http://dx.doi.org/10.1523/jneurosci.1875-10.2010.
Pełny tekst źródłaSun, L., i A. Z. Qamhiyah. "Parametric face coding for invariant model representation". Computer-Aided Design 35, nr 6 (maj 2003): 519–32. http://dx.doi.org/10.1016/s0010-4485(02)00072-6.
Pełny tekst źródłaRozprawy doktorskie na temat "Parametric coding"
Fatus, Bertrand. "Parametric Coding for Spatial Audio". Thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-198520.
Pełny tekst źródłaBrown, Allen David Evans. "Parametric spectral analysis using digital signal microprocessors". Thesis, University of Hertfordshire, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387144.
Pełny tekst źródłaDonnelly, Peter Gerard. "Adaptive parametric modelling of narrowband signals for sonar applications". Thesis, University of Ulster, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357582.
Pełny tekst źródłaKelly, Peter Joseph. "An empirical investigation of some parametric techniques for the reductive coding of speech". Thesis, Queen's University Belfast, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356900.
Pełny tekst źródłaWilliams, Mary Moulton. "Radar cross-section data encoding based on parametric spectral estimation techniques". Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06162009-063346/.
Pełny tekst źródłaWood, A. R. "Acoustic-phonetic reasoning in computer understanding of speech using frame-based expert knowledge to interpret the 'Speech Sketch' a representation of the acoustic parametric behaviou". Thesis, Staffordshire University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356461.
Pełny tekst źródłaLapierre, Jimmy. "Approches paramétriques pour le codage audio multicanal". Mémoire, Université de Sherbrooke, 2007. http://savoirs.usherbrooke.ca/handle/11143/1355.
Pełny tekst źródłaCapobianco, Julien. "Codage audio stéréo avancé". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066712/document.
Pełny tekst źródłaDuring the last ten years, technics for joint coding exploiting relations and redundancies between channels have been developped in order to further reduce the amount of information needed to represent multichannel audio signals.In this document, we focus on the coding of stereo audio signals where prior informations on the nature of sources in presence, their number or the manner they are spatialized is unknown. Such signals are actually the most representative in commercial records of music industry and in multimedia entertainment in general. To address the coding problematic of these signals, we study parametric and signal approaches, where both of them are often mixed.In this context, three types of approaches are used. The spatial parametric approach reduce the number of audio channels of the signal to encode and recreate the original number of channels from reduced channels and spatial parameters extracted from original channels. The signal approach keep the original number of channels, but encode mono signals, built from the combination of the original ones and containing less redundancies. Finally, the hybrid approach introduced in the MPEG USAC standard keep the two channels of a stereo signal, but one is a mono downmix and the other is a residual signal, resulting from a prediction on the downmix, where prediction parameters are encoded as side information.In this document, we first analyse the characteristics of a stereo audio signal coming from a commercial recording and the associated production techniques. This study lead us to consider the relations between the emitter parametric models, elaborated from our analysis of commercial recording production techniques, and the receiver models which are the basis of spatial parametric coding. In the light of these considerations, we present and study the three approaches mentioned earlier. For the parametric approach, we show that transparency cannot be achieved for most of the stereo audio signals, we have a reflection on parametric representations and we propose techniques to improve the audio quality and further reduce the bitrate of their parameters. These improvements are obtained by applying a better segmentation on the signal, based on the significant transient, by exploiting perceptive characteristics of some spatial cues and by adapting the estimation of spatial cues. As the hybrid approach has been recently standardized in MPEG USAC, we propose a full review of it, then we develop a new coding technique to optimize the allocation of the residual bands when the residual is not used on the whole bandwidth of the signal to encode. In the conclusion, we discuss about the future of the general spatial audio coding and we show the importance of developping new technics of segmentation and classification for audio signals to further adapt the coding to the content of the signal
Tano, Richard. "Determining multimediastreaming content". Thesis, Umeå universitet, Institutionen för fysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-50376.
Pełny tekst źródłaDetta examensarbete skrevs av Richard Tano student på Umeå universitet åt Ericsson Luleå. Övervakning av nätets prestanda är av yttersta vikt för nätverksleverantörer. Detta görs med modeller för att utvärdera QoS (Quality of Service) som överensstämmer med ITU-T rekommendationer. Vid bestämning av kvaliten på videoströmmar är det mer meningsfullt att utvärdera QoE (Quality of Experience) för att få insikt i hur användaren uppfattar kvaliten. Detta graderas i värden av MOS (Mean opinion score). En viktig aspekt för att bestämma QoE är typen av videoinnehåll, vilket är korrelerat till videons kodningskomplexitet och MOS värden. I detta arbete undersöktes möjligheterna att förbättra kvalitetsuppskattningsmodellerna under uppfyllande av ITU-T studygroup 12 (q.14). Metoder undersöktes och en algoritm utvecklades som använder tidsserieanalys av paketstatistik för uppskattning av videoströmmars MOS-värden. Metoder som ingår i algoritmen är en nyutvecklad frekventa mönster metod tillsammans med regressions analys. En modell som använder algoritmen från låg till hög bithastighet definierades. Den nya modellen gav omkring 20% förbättrad precision i uppskattning av MOS-värden jämfört med existerande referensmodell. Även en algoritm som enbart använder regressionsstatistik och modellerande av statistiska parametrar utvecklades. Denna algoritm levererade jämförbara resultat med föregående algoritm men gav även kraftigt förbättrad effektivitet.
Mahé, Pierre. "Codage ambisonique pour les communications immersives". Thesis, La Rochelle, 2022. http://www.theses.fr/2022LAROS011.
Pełny tekst źródłaThis thesis takes place in the context of the spread of immersive content. For the last couple of years, immersive audio recording and playback technologies have gained momentum and have become more and more popular. New codecs are needed to handle those spatial audio formats, especially for communication applications. There are several ways to represent spatial audio scenes. In this thesis, we focused on First Order Ambisonic. The first part of our research focused on improving multi-monocoding by decorrelated each ambisonic signal component before the multi-mono coding. To guarantee signal continuity between frames, efficient quantization new mechanisms are proposed. In the second part of this thesis, we proposed a new coding concept using a power map to recreate the original spatial image. With this concept, we proposed two compressing methods. The first one is a post-processing focused on limiting the spatial distortion of the decoded signal. The spatial correction is based on the difference between the original and the decoded spatial image. This post-processing is later extended to a parametric coding method. The last part of this thesis presents a more exploratory method. This method studied audio signal compression by neural networks inspired by image compression models using variational autoencoders
Książki na temat "Parametric coding"
Codify: Parametric and Computational Design in Landscape Architecture. Taylor & Francis Group, 2018.
Znajdź pełny tekst źródłaCzęści książek na temat "Parametric coding"
Keiser, Bernhard E., i Eugene Strange. "Parametric and Hybrid Coding". W Digital Telephony and Network Integration, 84–110. Boston, MA: Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-1787-0_4.
Pełny tekst źródłaPolitis, Archontis, i Ville Pulkki. "Higher-Order Directional Audio Coding". W Parametric Time-Frequency Domain Spatial Audio, 141–59. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119252634.ch6.
Pełny tekst źródłaPulkki, Ville, Archontis Politis, Mikko-Ville Laitinen, Juha Vilkamo i Jukka Ahonen. "First-Order Directional Audio Coding (DirAC)". W Parametric Time-Frequency Domain Spatial Audio, 89–140. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119252634.ch5.
Pełny tekst źródłaBaudoin, G., P. Jardin, J. Gross i G. Chollet. "Comparison of Parametric Spectral Representations for Voice Recognition in Noisy Environments". W Speech Recognition and Coding, 313–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-57745-1_45.
Pełny tekst źródłaReimer, Jacob, i Nicholas G. Hatsopoulos. "The Problem of Parametric Neural Coding in the Motor System". W Advances in Experimental Medicine and Biology, 243–59. Boston, MA: Springer US, 2009. http://dx.doi.org/10.1007/978-0-387-77064-2_12.
Pełny tekst źródłaLenarczyk, Michał. "Parametric Speech Coding Framework for Voice Conversion Based on Mixed Excitation Model". W Text, Speech and Dialogue, 507–14. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10816-2_61.
Pełny tekst źródłaÁbrego, Gustavo Hernández, Enric Monte i José B. Mariño. "Non parametric coding of speech by means of a MLP with hints". W Biological and Artificial Computation: From Neuroscience to Technology, 1068–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/bfb0032566.
Pełny tekst źródłaDisch, Sascha, i Achim Kuntz. "A Dedicated Decorrelator for Parametric Spatial Coding of Applause-like Audio Signals". W Microelectronic Systems, 363–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23071-4_34.
Pełny tekst źródłaFletcher, David. "The parametric park". W Codify, 71–76. Milton Park, Abingdon, Oxon ; New York, NY : Routledge, 2018.: Routledge, 2018. http://dx.doi.org/10.4324/9781315647791-7.
Pełny tekst źródła"Re-Coding Homes". W Advances in Civil and Industrial Engineering, 1–19. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-8958-7.ch001.
Pełny tekst źródłaStreszczenia konferencji na temat "Parametric coding"
Ojala, Pasi, Mikko Tammi i Miikka Vilermo. "Parametric binaural audio coding". W 2010 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, 2010. http://dx.doi.org/10.1109/icassp.2010.5495804.
Pełny tekst źródłaTok, M., A. Glantz, A. Krutz i T. Sikora. "Parametric motion vector prediction for hybrid video coding". W 2012 Picture Coding Symposium (PCS). IEEE, 2012. http://dx.doi.org/10.1109/pcs.2012.6213369.
Pełny tekst źródłaTok, M., A. Krutz, A. Glantz i T. Sikora. "Lossy parametric motion model compression for global motion temporal filtering". W 2012 Picture Coding Symposium (PCS). IEEE, 2012. http://dx.doi.org/10.1109/pcs.2012.6213354.
Pełny tekst źródłaThakur, Uday Singh, i Bappaditya Ray. "Image coding using parametric texture synthesis". W 2016 IEEE 18th International Workshop on Multimedia Signal Processing (MMSP). IEEE, 2016. http://dx.doi.org/10.1109/mmsp.2016.7813339.
Pełny tekst źródłaSuresh, K., i R. Akhil Raj. "MDCT domain parametric stereo audio coding". W 2012 International Conference on Signal Processing and Communications (SPCOM). IEEE, 2012. http://dx.doi.org/10.1109/spcom.2012.6290038.
Pełny tekst źródłaMudugamuwa, Damith J., i Alan B. Bradley. "Adaptive transformation for segmented parametric speech coding". W 5th International Conference on Spoken Language Processing (ICSLP 1998). ISCA: ISCA, 1998. http://dx.doi.org/10.21437/icslp.1998-377.
Pełny tekst źródłaTeixeira de Jesus, Luis Miguel, i Gavin C. Cawley. "Speech coding and synthesis using parametric curves". W 5th European Conference on Speech Communication and Technology (Eurospeech 1997). ISCA: ISCA, 1997. http://dx.doi.org/10.21437/eurospeech.1997-218.
Pełny tekst źródłaGamito, Manuel N., i Miguel S. Dias. "JPEG 2000 coding of textured parametric surfaces". W Electronic Imaging 2004, redaktorzy Sethuraman Panchanathan i Bhaskaran Vasudev. SPIE, 2004. http://dx.doi.org/10.1117/12.526643.
Pełny tekst źródłaPatlayenko, Mikola. "Adaptive Fractal Coding UHD Images with Parametric Algorithm". W 2018 International Scientific-Practical Conference Problems of Infocommunications. Science and Technology (PIC S&T). IEEE, 2018. http://dx.doi.org/10.1109/infocommst.2018.8632137.
Pełny tekst źródłaViveros-Cancino, Oscar, i Boris Escalante-Ramirez. "Parametric image coding by means of polynomial transforms". W Electronic Imaging '97, redaktorzy Jan Biemond i Edward J. Delp III. SPIE, 1997. http://dx.doi.org/10.1117/12.263298.
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