This part of GB/T 20493 specifies the test method for evaluating the final consistency of the black and white reflective scan output quality of office documents during their use using the standard boards specified in GB/T 20493.1-2006 and other standard boards. This section applies to the evaluation of the output quality of black and white or color office documents (regardless of whether they have halftone or color) scanned with a black and white scanner. This section does not apply to color scanners or scanners used to scan transparent or translucent documents.
ISO 12653-2:2000 Referenced Document
GB/T 18405-2001 Micrographics--ISO character and test chart No.1--Description and use*, 2001-08-01 Update
GB/T 6161-1994 Micrographics--Test chart No. 2--Description and use in microfilming
ISO 12653-2:2000 history
2002ISO 12653-2:2000/cor 1:2002 Electronic imaging - Test target for the black-and-white scanning of office documents - Part 2: Method of use; Technical Corrigendum 1
2000ISO 12653-2:2000 Electronic imaging - Test target for the black-and-white scanning of office documents - Part 2: Method of use