A two dimensional pattern such as a movement matrix generated in an inter-frame video coder is classified by forming a weighted sum modulo x of a set of values representing the pattern. The values may be pattern element values, or quantised representations of groups of elements. The weighted sum is used to access a look-up table containing class identification words. Optionally, motion vectors may be generated by comparing class identification words derived from successive frames of a picture.
申请公布号
DE3751684(D1)
申请公布日期
1996.03.07
申请号
DE19873751684
申请日期
1987.11.17
申请人
BRITISH TELECOMMUNICATIONS P.L.C., LONDON, GB
发明人
LEANING, ANTHONY RICHARD, IPSWICH SUFFOLK IP3 8BT, GB