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Residual Coding

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High Efficiency Video Coding

Part of the book series: Signals and Communication Technology ((SCT))

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Abstract

In this chapter, the residual coding in HEVC is detailed. The reconstructed residual signal is added to a prediction signal for reconstruction of the full block. Conceptually, the specification provides four different methods to code the residual. These include transform and quantization, transform skip, transform and quantization bypass, and PCM coding. The chapter provides a presentation of the integer transform design and the quantization scheme in HEVC. It details the coding concept for the quantized transform blocks and provides a brief comparison to the transform coding scheme in H.264 | AVC.

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Notes

  1. 1.

    Due to symmetry, the \(4\times 4\) matrix in (8.1) reveals orthogonality with equal or different norms of the base vectors for arbitrary real values \(a_0, b_0, b_1 \ne 0\).

  2. 2.

    Using \({\,\mathrm {clip}\left\{ a,b,v\right\} } = \left\{ \begin{array}{ll} a,\quad \mathrm{if }\;v< a\\ v,\quad \mathrm{if }\;a \le v \le b\\ b,\quad \mathrm{if }\;b< v\\ \end{array}\right. \)

  3. 3.

    Detailed treatments of the design and a throughput analysis can be found in [12, 13].

  4. 4.

    Intra prediction directions are shown in Fig. 6.1. Horizontal modes 22–30 use the vertical scan; vertical modes 6–14 use the horizontal scan, other modes use the diagonal scan.

References

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  1. Institut für Nachrichtentechnik, RWTH Aachen University, Aachen, Germany

    Mathias Wien

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  1. Mathias Wien
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Correspondence to Mathias Wien .

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Wien, M. (2015). Residual Coding. In: High Efficiency Video Coding. Signals and Communication Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-44276-0_8

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  • DOI: https://doi.org/10.1007/978-3-662-44276-0_8

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  • Print ISBN: 978-3-662-44275-3

  • Online ISBN: 978-3-662-44276-0

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