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HEVC intra-frame drift cancellation matrix.
- Source :
-
Journal of Visual Communication & Image Representation . Jul2019, Vol. 62, p56-67. 12p. - Publication Year :
- 2019
-
Abstract
- • A study on the possibility of avoiding the HEVC intra-frame drift effect. • Theoretically computing a mask multiplicative matrix cancelling the intra-frame drift effect. • Experimental illustrations and benchmarking over state-of-the-art methods. • Future work on the applicative integration under the watermarking framework. • Paving the way towards studying the intra-drift for the HEVC extensions. This paper investigates the possibility of avoiding the HEVC intra-frame drift effect induced by additive modifications of the luma DCT/DST coefficients. The main novelty consists in solving the intra-drift problem in its general form: starting from the equations defining the 35 intra-prediction modes and the DCT/DST computation, a mask multiplicative matrix cancelling the intra-frame drift effect is computed. The relevance of the advanced method with respect to the state of the art studies is illustrated, discussed and quantitatively assessed. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 10473203
- Volume :
- 62
- Database :
- Academic Search Index
- Journal :
- Journal of Visual Communication & Image Representation
- Publication Type :
- Academic Journal
- Accession number :
- 137454526
- Full Text :
- https://doi.org/10.1016/j.jvcir.2019.04.014