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- W2541442033 abstract "A system for coding image sequences is described. The system achieves a very high compression ratio so enabling video sequence transmission over low bit-rate channels. Image coding is obtained by motion estimation and compensation with a block-matching algorithm. Two techniques for coding the difference motion compensated image and the motion vector field, based on segmentation algorithms, are proposed. False motion vectors, common in conventional block-matching techniques, have been removed by means of thresholding and of a smoothing method. For smoothing, the vector field is modeled as a Gibbs/Markov random field. A mean compression ratio near to 100 and a PSNR always higher than 30 dB are obtained. Simulation results relative to different standard image sequences (namely Claire and CarPhone) are reported. >" @default.
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- W2541442033 date "2002-12-17" @default.
- W2541442033 modified "2023-09-25" @default.
- W2541442033 title "A new technique for high quality low bit-rate image sequence compression" @default.
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- W2541442033 doi "https://doi.org/10.1109/icupc.1994.383104" @default.
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