Abstract
The use of compression algorithms at low bit-rate often introduce annoying artifacts. It is possible to overcome the limit of the encoding process with a suitable preprocessing of the input image sequence, in order to reduce the bit-rate at a given picture quality or improve the picture quality at a given bit-rate. In this paper, a preprocessing technique is developed in order to improve the performance of the MPEG-2 encoder operation by evaluating, pixel by pixel, the motion characteristics and the luminance gradients in images of a sequence and deriving from this information the parameters to control an adaptive filter.
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References
N. Vasconcelos and F. Dufaux, Pre and Post-Filtering for Low Bit-Rate Video Coding, ICIP 1997, vol.1, pagg.291–294.
R. Lancini, M. Ripamonti, S. Tubaro and P. Vicari, Combined Motion Estimation and Image Segmentation for Accurate Representation of Motion, PCS 1997, pagg. 291–295.
G. Ramponi, A Rational Edge-Preserving Smoother, ICIP 1995, vol.1, pagg.151–153.
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© 1998 Springer-Verlag London Limited
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Dardi, F., Mir, J., Parladori, G., Sicuranza, G.L. (1998). Preprocessing for the MPEG-2 video coding. In: Marshall, S., Harvey, N.R., Shah, D. (eds) Noblesse Workshop on Non-Linear Model Based Image Analysis. Springer, London. https://doi.org/10.1007/978-1-4471-1597-7_51
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DOI: https://doi.org/10.1007/978-1-4471-1597-7_51
Publisher Name: Springer, London
Print ISBN: 978-3-540-76258-4
Online ISBN: 978-1-4471-1597-7
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