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U.S. Philips Corporation

Fransiscus Wilhelmus Sijstermans

Pieter Sierd Van Der Meulen

Adrianus C Oerlemans

Video is processed based on the color content of a video frame. A frame-specific or sequence-specific color cube is created in order to efficiently use the available bandwidth, and to efficiently carry out conventional video operations. The color cube is a statistically tuned subset of the original color space.

Video processing in PC uses statistically tuned color cube

A method and a device for determining the permissibility of a series of a1. . . an end symbols as being derivable by means of a set of production rules on the basis of a context-free grammar G are described. The derivation takes place by assigning dotted rules to elements Ti,j (0.ltoreq.i.ltoreq.j.ltoreq.n) (FIG. 1) of a recognition matrix by means of scan, complete and predict operations. The number of operations is of the order of (n.sup.3). In a first embodiment (n+1) processing modules (FIG. 8) are set up and the successive operations can be limited to a number of the order of (n.sup.2) . In a second embodiment 1/2(n+1)(n+2)-1 processing modules are set up and the successive operations can be limited to a number of the order of (n). The method may be applied in a translation machine.

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Eindhoven, Netherlands

Fransiscus Wilhelmus Sijstermans