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检索条件"主题词=coding efficiency"
163 条 记 录,以下是131-140 订阅
排序:
Transform and embedded coding techniques for maximum efficiency and random accessibility in 3-D scalable compression
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IEEE TRANSACTIONS ON IMAGE PROCESSING 2005年 第10期14卷 1632-1646页
作者: Leung, R Taubman, D Univ New S Wales Sch Elect Engn & Telecommun Sydney NSW 2052 Australia
This study investigates random accessibility and efficiency enhancements in highly scalable video and volumetric compression. With the advent of interactive multimedia technology, random accessibility has emerged as a... 详细信息
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An improved spatio-temporal-SNR FGS video coding scheme using motion compensation on enhancement layers
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Journal of Shanghai University(English Edition) 2006年 第4期10卷 325-329页
作者: 江涛 张兆杨 马然 石旭利 School of Communication and Information Engineering Shanghai University Shanghai 200072 P.R. China
In this paper an effective MC + FGSST structure is explored, which is appropriate for scalable video coding. The structure obtains spatio-temporal-SNR fine granular scalability, and achieves high coding efficiency at... 详细信息
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Efficient audio coding with optimized subband configurations
Efficient audio coding with optimized subband configurations
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Workshop on Applications of Signal Processing to Audio and Acoustics
作者: Ali, MT Mian, MS Univ Engn & Technol Dept Elect Engn Lahore Pakistan
A dynamic subbands design selection scheme for perceptual audio coding is presented which optimizes the coding efficiency in association with all improved utilization of the masking potential of the signal. The choice... 详细信息
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Packet loss concealment in predictive audio coding
Packet loss concealment in predictive audio coding
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Workshop on Applications of Signal Processing to Audio and Acoustics
作者: Wabnik, S Schuller, G Hirschfeld, J Kraemer, U Fraunhofer Inst Digital Media Technol D-98693 Ilmenau Germany
In this paper we present and evaluate Several concealment strategies for packet losses in the context of it low delay predictive audio coder. Our goal is to minimize the audible impact of a packet loss. The problem is... 详细信息
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Generalized theory of hunting-free framing codes for digital transmission and multiplexing
Generalized theory of hunting-free framing codes for digital...
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9th World Multi-Conference on Systemics, Cybernetics and Informatics
作者: Takasaki, Yoshitaka Toyo Univ Dept Elect & Elect Engn Kawagoe Saitama 3508585 Japan
Generalized theory of hunting-free framing codes is invesigated as extentions of previous results based on multipled block codes (MBCs). First, the principles of MBC based codes are overviewed to show their capacities... 详细信息
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Automatic speech decomposition and speech coding using MDCT-based hidden Markov chain and wavelet-based hidden Markov tree models
Automatic speech decomposition and speech coding using MDCT-...
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Workshop on Applications of Signal Processing to Audio and Acoustics
作者: Tantibundhit, C Boston, JR Li, CC El-Jaroudi, A Univ Pittsburgh Dept Elect & Comp Engn Pittsburgh PA 15261 USA
Speech is decomposed into three different components. based on the idea of Daudet and Torresani (Signal Processing, vol. 82, no. 11, pp. 1595, 2002), as signal = tonal + transient + residual. The tonal and transient c... 详细信息
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Improving coding efficiency in grid-based hybrid video coding schemes
Improving coding efficiency in grid-based hybrid video codin...
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IEEE International Conference on Acoustics, Speech, and Signal Processing
作者: Heising, G Heinrich Hertz Inst Nachrichtentech Berlin GmbH Image Proc Dept D-10587 Berlin Germany
In the past many grid-based video coding schemes using image warping prediction have been proposed. The advantage of grid-based motion compensation is its ability to model nontranslational motion. Disadvantages are th... 详细信息
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coding efficiency of multi-ring and single-ring differential chain coding for telewriting application
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IEE PROCEEDINGS-VISION IMAGE AND SIGNAL PROCESSING 2001年 第4期148卷 241-247页
作者: Andrieux, J Seni, G Eurecom Inst F-06904 Sophia Antipolis France Motorola Inc Human Interface Labs Palo Alto CA 94304 USA
The recent availability of small personal digital assistants (PDAs) with a touchscreen and communication capabilities has been an influential factor in the renewed interest in telewriting, a technique for the exchange... 详细信息
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Application of multipled block codes to hunting-free reframing and asynchronous multiplexing
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IEICE TRANSACTIONS ON COMMUNICATIONS 2004年 第11期E87B卷 3187-3194页
作者: Yoshida, H Takasaki, Y Toyo Univ Grad Sch Engn Kawagoe 3508585 Japan
\Application of multipled block codes (MBCs) for realizing new flexible and efficient transmission systems that feature in huntingfree reframing and asynchronous multiplexing is investigated. First, the principles of ... 详细信息
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RNS-based implementation of 8x8 point 2D-DCT over field-programmable devices
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ELECTRONICS LETTERS 2003年 第1期39卷 21-23页
作者: Fernández, PG Lloris, A Dept Electron & Tecnol Computadores Granada 18071 Spain
A new implementation of an 8 x 8 two-dimensional discrete cosine transform (2D-DCT) processor based on the residue number system (RNS) is presented. This architecture makes use of a fast cosine transform algorithm. It... 详细信息
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