Method and apparatus for motion vector field encoding

Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

06944227

ABSTRACT:
A method and apparatus for representing motion in a sequence of digitized images derives a dense motion vector field and vector quantizes the motion vector field.

REFERENCES:
patent: 5471252 (1995-11-01), Iu
patent: 5557341 (1996-09-01), Weiss et al.
patent: 5574663 (1996-11-01), Ozcelik et al.
patent: 5677735 (1997-10-01), Ueno et al.
patent: 5719631 (1998-02-01), Pandel
patent: 5793430 (1998-08-01), Hackett et al.
patent: 5959673 (1999-09-01), Lee et al.
patent: 6026182 (2000-02-01), Lee et al.
patent: 6473462 (2002-10-01), Chevance et al.
patent: A1-0466981 (1992-01-01), None
patent: A1-0720355 (1996-07-01), None
patent: A-2182521 (1987-05-01), None
Rajan L. Joshi et al., Lossy Encoding of Motion Vectors Using Entropy-Constrained Vector Quantization, IEEE, Oct. 23, 1995, pp. 109-112.
Xing C. Chen et al., Quadtree Based Adaptive Lossy Coding of Motion Vectors, Sep. 16, 1996, Stanford University, Computer Systems Laboratory, Stanford, CA.
L. Alparone et al., Adaptively Weighted Vector-Median Filters for Motion-Fields Smoothing, IEEE, May 7, 1996, pp. 2267-2270.
Klaus Illgner et al., Hierarchical Coding of Motion Vector Fields, IEEE, Oct. 23, 1995, pp. 566-569.
Dong-il Chang et al., Multistage, Temporal Motion Compensation for Motion Vector Coding, IEEE, Sep. 16, 1996, pp. 271-274.
Arun Netravali et al., A Codec for HDTV, IEEE, Transactions on Consumer Electronics, vol. 38, No. 3, Aug. 1992, New York, U.S., pp. 325-340.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for motion vector field encoding does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for motion vector field encoding, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for motion vector field encoding will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3415264

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.