PEN + INK EFFECT

A SPECIAL IMAGE CREATION/ALTERATION SCREENING SERVICE IN WHICH THERE I S PROVIDED ELECTRONIC TRANSFORMATIONS FROMCONTINUOUS-TONE ORIGINALS S UCH AS ARTWORK, PHOTOGRAPHS, PRINTES AND THE LIKE, WHEREIN THE TRANS- FORMED ORIGINALIS A RANDOMIZED-LINE REPRODUCTION WITH THE SPACIAL FR EQUENCY OF SUCH LINES CORRESPONDING TO THE DEGREE OF GREY LEVEL OF THE ORGINAL