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Fast Mode Decision Algorithm for Inter-Frame Coding in Fully Scalable Video Coding

Fast Mode Decision Algorithm for Inter-Frame Coding in Fully Scalable Video Coding,10.1109/TCSVT.2006.877404,IEEE Transactions on Circuits and Systems

Fast Mode Decision Algorithm for Inter-Frame Coding in Fully Scalable Video Coding   (Citations: 50)
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Scalable video coding is an ongoing standard, and the current working draft (WD) is an extension of H.264/AVC. In the WD, an exhaustive search technique is employed to select the best coding mode for each macroblock. This technique achieves the highest possible coding efficiency, but it results in extremely large encoding time which obstructs it from practical use. This paper proposes a fast mode decision algorithm for inter-frame coding for spatial, coarse grain signal-to-noise ratio, and temporal scalability. It makes use of the mode-distribution correlation between the base layer and enhancement layers. Specifically, after the exhaustive search technique is performed at the base layer, the candidate modes for enhancement layers can be reduced to a small number based on the correlation. Experimental results show that the fast mode decision scheme reduces the computational complexity significantly with negligible coding loss and bit-rate increases
Journal: IEEE Transactions on Circuits and Systems for Video Technology - TCSV , vol. 16, no. 7, pp. 889-895, 2006
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    • ...For CGS scalability, each MB at ELs tends to have a finer mode partition than its co-located MB in lower layer [3]...
    • ...He Li et al [3, 4] proposed a fast mode decision algorithm for inter-frame coding in the enhancement layer...
    • ...For comparing, the simulation results by using the algorithm proposed by He Li et al [3] and Chun-Su Park et al [7] are also listed...
    • ...ATS (%) Li [3] Park [7] proposed CITY 29.35 39.56 35.22 CREW 30.14 34.95 34.55...
    • ...BDPSNR(dB) Li [3] Park [7] proposed CITY -0.0534 -0.1171 -0.0320 CREW -0.0622 -0.1532 -0.0807...
    • ...BDBR(%) Li [3] Park [7] proposed CITY 0.0043 0.0729 0.0082 CREW 0.0019 0.0309 -0.0022...
    • ...Compared with the algorithm proposed by He Li [3], which only considers the relationship between enhancement layer MB and co-located MB in base layer, the BDPSNR and BDBR are close but the ATS is larger as a result of the additional information from neighbor MBs...

    Yuan Chuniet al. Fast mode decision algorithm for enhancement layer of spatial and CGS ...

    • ...Recently, although a fast mode decision algorithm for combined scalability is scant, some interesting research has been generated [14], [15]...
    • ...Li et al. [14] have improved their fast mode decision algorithm to support full scalable video coding...

    Tae-Jung Kimet al. Fast mode decision for combined scalable video coding based on the blo...

    • ...Li et al. [2] observe that owing to the Lagrange rate...

    Kan Changet al. Fast Mode Decision for Scalable Video Coding with Spatial Scalability

    • ...In [1], fast mode decision algorithm for inter and intra prediction in SVC was proposed...

    Jeoong Sung Parket al. A VLSI architecture of SVC encoder for mobile system

    • ...It was reported that the mode distribution at the EL is highly correlated with that at the BL [6]...
    • ...The conventional fast mode decision algorithms [6], [7] efficiently reduce the computational complexity without compromising the coding efficiency of SVC...
    • ...The main advantage of the proposed algorithm is its compatibility to the other fast mode decision algorithms [6], [7]...
    • ...compatibility to the other fast mode decision algorithms for SVC [6], [7]...
    • ...For the CGS, we applied the proposed algorithm to Li’s [6] and Lin’s [7] methods, which are denoted by P-Li and P-Lin, respectively...
    • ...The independent algorithm on temporal scalability in [6] and reference frame selection algorithm in [7] are not included...

    Seung-Won Junget al. Fast Mode Decision Using All-Zero Block Detection for Fidelity and Spa...

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