Movement estimation method and system for high definition digita

Details Movement estimation method and system for high definition digita Movement estimation method and system for high definition digita

1991-03-19

1993-09-14

Oberley, Alvin E.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358138, H04N 712

Patent

active

052454231

ABSTRACT:
A movement estimation method and system are disclosed for high definition digital television frames. The movement is estimated for a current block Bc of the even fields T.sub.2k, 2r-1 of the uneven frames with which n movement vectors are associated, with the current block Bc of the even fields T.sub.2k, 2r of the even frames there is associated, by relative addressing, a movement vector with respect to s vectors of the preceding frame I.sub.2r-1 surrounding the frame B'c of the current block Bc. The s vectors are chosen by eliminating the vector redundancies among the n vectors. The invention is applicable to broadcasting and transmission of digital television signals by HD-MAC or HD-MAC NB narrow band channel.

REFERENCES:
patent: 4575756 (1986-05-01), Furukawa
patent: 4777530 (1988-10-01), Kondo
patent: 4965667 (1990-10-01), Trew et al.
patent: 5031039 (1991-07-01), Haghiri et al.
patent: 5036392 (1991-07-01), Janssen
patent: 5068727 (1991-11-01), Haghiri et al.
patent: 5072292 (1991-12-01), Van Overmeire
BBC Research Department Report, No. 11, Sep. 1987, Tadworth GB pp. 1-20, G. A. Thomas et al, "Television Motion Measurement for DATV and Other Applications".

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