what is a moire pattern
Moire patterns. This interference is called a moire moirÃ© (pattern pronounced-more). Ay in a scanned, Image moire moirÃ© patterns are caused by interference between two sets of fine, pattern grids the scanner samples and the halftone screen in the. original imagecanning images from printed material like magazines has a very special problem (not to mention copyrights, which is a serious consideration too). You will discover a murky herringbone or crosshatched or dotted pattern in your scanned images from printed material, one example is shown below.