high efficiency video coding

... of the machine, high reluctance in the quadrature axis and low reluctance in the direct axis It is now well known fact that RSM output increases with high Xd and low Xq (i.e high Xd/Xq) The reluctance ... mentioned earlier, the basic criteria for a good design is to have a high saliency ratio (Ld/Lq) accompanied by a high (Ld-Lq), i.e a high Ld and low Lq Finite element package is employed to compute ... fluxbarriers Although, high saliency ratios are achievable with axially laminated design but it is rather expensive and difficult to manufacture It is possible to achieve high saliency ratios with...

Ngày tải lên: 05/09/2013, 16:30

... Pictures, a set of coded video images H.261 A video coding standard H.263 A video coding standard H.264 A video coding standard HDTV High Definition Television Huffman coding Coding method to reduce ... standards body Inter (coding) Coding of video frames using temporal prediction or compensation interlaced (video) Video data represented as a series of fields intra (coding) Coding of video frames without ... Predictive Image Coding 3.4.2 Transform Coding 3.4.3 Quantisation 3.4.4 Reordering and Zero Encoding 3.5 Entropy Coder 3.5.1 Predictive Coding 3.5.2 Variable-length Coding 3.5.3 Arithmetic Coding 3.6...

Ngày tải lên: 22/12/2013, 10:16

... http://dx.doi.org/10.5772/52878 Introduction High efficiency video coding (HEVC) [1] is a new video coding standard developed by Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T Video Coding Experts Group ... high efficiency video coding (HEVC), multiple description video coding, region of interest video coding, and shape compensation methods Part concentrates on channel-friendly video coding techniques ... efficiency video coding (HEVC), multiple description coding, region of interest (ROI) coding, shape compensation, error resilient algorithms for H.264/AVC, wavelet-based coding, facial video coding, ...

Ngày tải lên: 06/03/2014, 22:20

... http://dx.doi.org/10.5772/52878 Introduction High efficiency video coding (HEVC) [1] is a new video coding standard developed by Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T Video Coding Experts Group ... high efficiency video coding (HEVC), multiple description video coding, region of interest video coding, and shape compensation methods Part concentrates on channel-friendly video coding techniques ... efficiency video coding (HEVC), multiple description coding, region of interest (ROI) coding, shape compensation, error resilient algorithms for H.264/AVC, wavelet-based coding, facial video coding, ...

Ngày tải lên: 16/03/2014, 22:20

... use of nanoscale bowtie apertures Our approach achieves a high coupling efficiency between optical far field and plasmonic waveguide High efficiency coupling between far field optical source and ... for vertically coupling far field light sources into nanoscale waveguides with high efficiency The key to this high efficiency is the resonant excitation of the bowtie aperture With proper design, ... concentrated light sources for data storage [20] and nanolithography [21-22], and as high efficiency light collectors for high resolution imaging [23] Figure (Media 1) shows the coupling of the electric...

Ngày tải lên: 06/05/2014, 08:53

... thickness dependent, and is higher in thinner films Figure shows that smaller apertures, where a greater portion of the surface is blocked by silver, have a lower efficiency The efficiency is nearly ... have been shown to be able to couple light into propagation mode parallel to the surface with high efficiency. 7 In this letter we optimize an array of these apertures to maximize the fraction ... area) absorbed, normalized to the total intensity of the AM1.5 spectra to determine the efficiency The maximum efficiency of our design occurs for an aperture size a = 900 nm, where 12.1% of the...

Ngày tải lên: 06/05/2014, 08:54

... thickness dependent, and is higher in thinner films Figure shows that smaller apertures, where a greater portion of the surface is blocked by silver, have a lower efficiency The efficiency is nearly ... have been shown to be able to couple light into propagation mode parallel to the surface with high efficiency. 7 In this letter we optimize an array of these apertures to maximize the fraction ... area) absorbed, normalized to the total intensity of the AM1.5 spectra to determine the efficiency The maximum efficiency of our design occurs for an aperture size a = 900 nm, where 12.1% of the...

Ngày tải lên: 06/05/2014, 08:58

... Foreground/Background Coding ix (Chapter 3), Model-based Coding (Chapter 4), Video Object Plane Extraction and Tracking (Chapter 5), and MPEG-4 Video Coding Standard (Chapter 6) Chapter deals with image and video ... including shape coding, motion estimation and compensation, prediction, texture coding, scalable coding, sprite coding and still image coding The following section gives an overview of the coding of ... image and video compression using DPCM (differential pulse-code-modulation), followed by transform coding, vector quantization, subband/wavelet coding, fractal coding, object-oreinted coding and...

Ngày tải lên: 05/06/2014, 11:51

... CONVENTIONAL VIDEO CODING Video object0 encoder video Video objects in segmenter/ formatter Video object1 encoder Video object2 encoder : : S y s t e m S y s t e m M u x D e M u x Video object0 decoder Video ... 2.1 and texture coding in Section 2.2 2.1 SHAPE CODING Two types of shape coding are supported within MPEG-4, binary alpha map coding and gray-scale alpha map coding Binary shape coding is designed ... different sprite coding techniques supported within MPEG-4, static sprite coding and dynamic sprite coding In static sprite coding, the sprite is generated off-line prior to the encoding and transmitted...

Ngày tải lên: 05/06/2014, 12:05

... between video coding and decoding as discussed in this section, we assume that the available data BW for video coding are time-varying because of non-stationary video input on the real-time coding ... a high- quality visual experience Analytical B-R-D optimized modeling For a given video coding distortion (or equivalent picture quality), D, and bit rate, R, if we decrease the available encoding ... the available encoding BW, the coding will generate more distortion and bits, which in turn implies a higher D and R for ME operation and more data BW for video coding Therefore, the overall BW...

Ngày tải lên: 20/06/2014, 21:20

... redundant coding and/or intra coding are optimally allocated in macroblock level Whether to use redundant coding and/or intra coding and the quantization parameter of the redundant coding is ... propose to add two new encoding modes, namely inter coding with redundant macroblock and intra coding with redundant macroblock, in addition to the conventional intra and inter coding modes This approach ... packet losses in video transmission IEEE Trans Circuits Syst Video Technol 19(7), 917–931 (2009) doi:10.1186/1687-6180-2011-80 Cite this article as: Xiao et al.: Error-resilient video coding with...

Ngày tải lên: 20/06/2014, 22:20

... article as: Traversi et al.: The role of different methanogen groups evaluated by Real-Time qPCR as high- efficiency bioindicators of wet anaerobic co-digestion of organic waste AMB Express 2011 1:28 ... consecutive hydraulic retention times of 20 days for each organic loading rate: one to ensure the highest replacement parts of the material inside the reactors and the other to analyse the process ... pretreatments A and B are displayed in Table Methanogen subgroups were determined using samples with the highest biogas production rate These included 15 from pretreatment A and 10 from pretreatment B...

Ngày tải lên: 20/06/2014, 23:20

... for very low bit-rate video coding using relevance and similarity metrics IEEE Trans Circ Syst Video Technol 15(6), 753–761 (2005) Page 13 of 13 15 M Paul, M Murshed, Video coding focusing on block ... state-of-the-art video coding standard), the ASPVCLocal [16] (as it is the latest block partitioning coding technique with arbitrarily shaped patterns), the IBS [12] (as it is the latest block partitioning video ... ME&MC for low bit rate video coding Chen et al [11] and Kim et al [12] improved compression efficiency further with implicit block segmentation (IBS) and thus avoided explicit encoding of the segmentation...

Ngày tải lên: 21/06/2014, 02:20

... the coding strategies of the proposed schemes LBD intra-MB LBD inter-MB HBD intra-MB HBD inter-MB [15] Intra -coding Inter -coding Intra -coding IPLB Inter -coding LH scheme Intra -coding Inter -coding ... Intra -coding IPLB Inter -coding Residual prediction HL scheme Not applicable HBD-based inter -coding Intra -coding Inter -coding Residual prediction LH-HL scheme Intra -coding HBD-based inter -coding ... of the specific application In contrast, a high- quality, high bit-depth and high- resolution output is achievable by decoding the complete bitstream for high- definition television (HDTV) applications...

Ngày tải lên: 21/06/2014, 02:20

... their high degree of high- frequency characteristic and visual quality degradation is 0.08 dB at most Other video sequences are distributed among 16 : and 16 : subsample because low degree of high ... 11172-2(MPEG-1 Video) , “Information technology -coding of moving pictures and asociated audio for digitsl storage media at up about 1.5 Mbits/s: Video, ” 1993 [2] ISO/IEC CD 13818-2–ITU-T H.262(MPEG-2 Video) , ... “Information technology-generic coding of moving pictures and asociated audio information: Video, ” 1995 [3] ISO/IEC 14496-2 (MPEG-4 Video) , “Information Technology-Generic Coding of Audio-Visual Objects,”...

Ngày tải lên: 21/06/2014, 08:20

... transmission of pre-encoded SVC videos SVC, the scalable extension of the H.264/AVC standard (Annex G), is a novel video coding standard with build-in features optimal for adaptive video transmission SVC ... heterogeneous networks [2] The term scalability in the video coding context means that physically meaningful video information can be recovered by decoding only a portion of the compressed bitstream ... having a different priority: high, medium, and low, and a video scheduler, which selects video packets from the queues accordingly for transmission The prioritized video packet handling is accomplished...

Ngày tải lên: 21/06/2014, 17:20

... Multi-view video coding (MVC) is a video coding standard that reduces a large amount of MVV data It was developed by the Joint Video Team (JVT), an organization jointly created by the Video Coding ... technique enhances the coding efficiency of MVC, but leads to a high degree of computational complexity The technique yielded coding gains of up to 3.2 dB and an average coding gain of 1.5 dB ... comparison of video coding standards IEEE Trans Circ Syst Video Technol 13(7), 688–703 (2003) [14] P Merkle, A Smolic, K Muller, T Wiegand, Efficient prediction structures for multiview video coding...

Ngày tải lên: 21/06/2014, 17:20

... performing joint encoding and decoding (i.e., conventional predictive coding) can theoretically be reached by doing separate encoding and joint decoding (i.e., distributed coding) The WZ theorem ... lossy coding under the assumptions that the sources are jointly Gaussian and a Mean Square Error (MSE) distortion measure is used Distributed Video Coding (DVC) applies this paradigm to video coding ... distributed video coding More specifically, we address some open issues such as coding efficiency, complexity, error resilience, scalability, multiview coding, and applications beyond coding In addition,...

Ngày tải lên: 21/06/2014, 18:20

... fast algorithms for single-view video coding cannot be used directly for MVC because the prediction structures for MVC are different from those of single-view video coding In this paper, a hybrid ... ISO/IEC Joint Video Team, 2005 [6] T Wiegand, G J Sullivan, G Bjøntegaard, and A Luthra, “Overview of the H.264/AVC video coding standard,” IEEE Transactions on Circuits and Systems for Video Technology, ... disparity compensated coding for multiview video, ” IEEE Transactions on Circuits and Systems for Video Technology, vol 17, no 11, pp 1474–1484, 2007 [13] M Flierl and B Girod, “Multiview video compression,”...

Ngày tải lên: 22/06/2014, 00:20