Agfa Gevaert Nv

Agfa-gevaert

Xeikon N.v.

Xeikon International N.v.

Roger Baeten

Veerle Dieltjens

Marc Delhoune

Dominique Suys

Marc Herregods

Geert Noppen

The invention relates to a method and apparatus for merging page elements according to a layout signal into one page for reproduction on a reproduction device. The page elements are segmented into smaller segments before storage into memory. Due to the particular format of the page elements, data required for the merging of page elements can be retrieved, decompressed an processed quickly so merging can be done in real time during printing. The format used for the segments enables easy and fast execution of various image operations such as mirroring, clipping, rotation, etc . . .

Page composition in an image reproduction system using segmented page elements

The invention relates to a method and apparatus for merging page elements according to a layout signal into one page for reproduction on a reproduction device. The page elements are segmented into smaller area tiles before storage stored into memory. Data from the page elements includes metadata describing the position into the memory of the sub-elements of the page element. Due to the used format for the page elements, data needed during merging can be retrieved, decompressed an processed quickly so merging can be done in real time during printing. The format used for the area tiles enables easy and fast execution of various image operations such as mirroring, rotation, etc . . . Complexity data can be incorporated into the page element data, giving information about the amount of processing required to execute the merging.

Page composing method using stored page elements and apparatus for using the same

High quality multilevel halftoning for color images with reduced memory

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Boortmeerbeek, Belgium

Roger Baeten