By Yo Sung Ho
This e-book goals to collect fresh advances and purposes of video coding. All chapters might be invaluable for researchers, engineers, graduate and postgraduate scholars, specialists during this zone, and optimistically additionally for those that are commonly drawn to video coding. The ebook contains 9 conscientiously chosen chapters. The chapters take care of complex compression suggestions for multimedia purposes, touching on contemporary video coding criteria, excessive potency video coding (HEVC), a number of description coding, area of curiosity (ROI) coding, form repayment, errors resilient algorithms for H.264/AVC, wavelet-based coding, facial video coding, and implementations. This e-book offers a number of necessary rules on your personal study and is helping to bridge the distance among the fundamental video coding concepts and functional multimedia functions. we are hoping this publication is pleasing to learn and should extra give a contribution to video coding.
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Additional resources for Advanced Video Coding for Next-Generation Multimedia Services
7, the quality of the reconstructed videos of the “Foreman” increase as the value of sigma is increased. 4 are acceptable. 07dB. 05dB (k) Original QCIF image. Figure 7. 1 to 1. 7 and sigma = 1 is neg‐ ligible. In other words, the extra bit rate that is required for higher values of sigma is not worth of the gained reconstruction fidelity, thus the best performance of the MDCLVQ-H. 7. 7 the proposed scheme can offer acceptable side and central reconstruction qualities as well as error resiliency without requiring extra bit rate.
The corresponding (15) For example, with α = - 3 and β = 2, a clean similar sublattice of the hexagonal lattice with index N = ( - 3)2 - (-3)(2) + (2)2 = 19 is generated. 5i 3. 5 3 Figure 2. The geometrically similar sublattice of A2 with index N=19 generated by Eq. (16). It is also possible to calculate the index of the sublattice generated by Gi' using Eq. (13). The determinant of the generator of the hexagonal lattice at unit scale is 3 / 2. 5) × ( 3) = 19 3 / 2. Thus, the index will be ' (19 3 / 2) / ( 3 / 2) = 19.
At the receiver, if both descriptions are received correctly, then the central decoder is used to map the labels back to the original lattice points. The side decoders are used to find an approximation of the original lattice point if only one single description is received. 37 38 Advanced Video Coding for Next-Generation Multimedia Services The central decoder is the reverse of the labeling process described above. When the two descriptions are received correctly, they are sent to the central decoder to be mapped back to the corresponding lattice point.