Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2005-08-03
2011-12-06
Diep, Nhon (Department: 2486)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
Reexamination Certificate
active
08073057
ABSTRACT:
To provide a motion vector estimating device which is capable of calculating the optimum motion vector by a trade-off between the bit rate of a motion vector and a differential amount, and estimating a motion vector in a pipeline structure at high speed, a motion vector estimating method which enables the same. The motion vector estimating device (100) includes: a first motion vector estimating unit (102) which calculates an evaluation value based on the amount of distortion calculated using search blocks and an input block and a correction value calculated using a motion vector with respect to each search block, a first prediction vector, and a weighting coefficient, and estimates a first motion vector of the input block based on the location of the input block and the location of a search block which provides the smallest evaluation value; a weighted coefficient calculating unit (103) which calculates the weighted coefficient; a prediction vector generating unit (104) which generates the first motion vector based on the first motion vector; and a second motion estimating unit (105) which estimates a motion vector determining, as an evaluation value, only the amount of distortion calculated using the search blocks and the input block.
REFERENCES:
patent: 5151784 (1992-09-01), Lavagetto et al.
patent: 5392073 (1995-02-01), Jeong
patent: 5400087 (1995-03-01), Uramoto et al.
patent: 5717463 (1998-02-01), Brailean et al.
patent: 7356082 (2008-04-01), Kuhn
patent: 2001/0021272 (2001-09-01), Yamori et al.
patent: 2004/0202245 (2004-10-01), Murakami et al.
patent: 2005/0123039 (2005-06-01), Song et al.
patent: 2 256 071 (1999-06-01), None
patent: 0 570 127 (1993-11-01), None
patent: 06-113290 (1994-04-01), None
patent: 06-237454 (1994-08-01), None
patent: 08-084345 (1996-03-01), None
patent: 11-239350 (1999-08-01), None
patent: 11-243551 (1999-09-01), None
patent: 2001-197501 (2001-07-01), None
International Preliminary Report on Patentability and Written Opinion issued in International Application No. PCT/JP2005/014178, dated Feb. 15, 2007.
Chalidabhongse, Junavit, et al., “Fast Motion Vector Estimation Using Multiresolution-Spatio-Temporal Correlations”, IEEE Transactions on Circuits and Systems for Video Technology, Jun. 1, 1997, pp. 477-488, vol. 7. No. 3.
Boroczky, Lille, et al., “Advanced Spatiotemporal Propagation Strategy for Multiresolution Motion Estimation”, Signal Processing VII: Theories and Application, Proceedings of EUSIPCO, Sep. 13, 1994, pp. 680-683, vol. 2.
Zan, J. et al., “Neighbourhood-blocks motion vector estimation technique using pyramidal data structure”, IEE Proceedings: Vision, Image, and Signal Processing, Institution of Electrical Engineers, GB, Jun. 21, 2002, pp. 140-151, vol. 149 No. 3.
Schvvarz, H., et al., “An Improved H.26L Coder Using Lagrangian Coder Control”, ITU Telecommunications Standardization Sector Study Group 16, Oct. 18, 2001, pp. 1-8.
Coban, Muhammed Z, et al., “Fast Rate-Constrained N-Step Search Algorithm for Motion Estimation”, IEEE International Conference on Acoustics, Speech, and Signal Processing, May 12-15, 1998, pp. 2613-2616, vol. 5.
Cantineau, O., et al., “Efficient Parallelisation of an MPEG-2 Codec on a TMS320C80 Video Processor”, International Conference on Image Processing, Oct. 4-7, 1998, pp. 977-980, vol. 3.
Lin, Chia-Wen, et al., Hierarchical Disparity Estimation Using Spatial Correlation, IEEE Transactions on Consumer Electronics, Aug. 1, 1998, pp. 630-637, vol. 44 No. 3.
Chung, Hyukjune, et al., “Fast long-term motion estimation for H.264 using multiresolution search”, IEEE International Conference on Image Processing, Sep. 14-17, 2003, pp. I-905-908, vol. 1.
Mizuno, Masayuki, et al., “A 1.5-W Single-Chip MPEG-2 MP@ML Video Encoder with Low Power Motion Estimation and Clocking”, IEEE Journal of Solid-State Circuits, Nov. 1, 1997, pp. 1807-1816, vol. 32 No. 11.
Kossentini, Faouzi, et al., “Predictive RD Optimized Motion Estimation for Very Low Bit-Rate Video Coding” IEEE Journal on Selected Areas in Communications, Dec. 1, 1997, pp. 1752-1763, vol. 15 No. 9.
Accame, M., et al., “Hierarchical Motion Estimator (HME) for Block-Based Video Coders”, IEEE Transactions on Consumer Electronics, Nov. 1, 1997, pp. 1320-1330, vol. 43 No. 4.
Extended European Search Report, issued in European Patent Application No. 05768427, dated Aug. 26, 2011.
Inagaki Hiroki
Kadono Shinya
Ohgose Hideyuki
Diep Nhon
McDermott Will & Emery LLP
Panasonic Corporation
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