In a method for imaging in digital dental radioscopy making use of a sensor array, the individual image elements of which are smaller than a desired local resolution so that a plurality of image elements forms a respective effective image element, first reference signals, which are generated by the image...http://www.google.com.tw/patents/US6497511?utm_source=gb-gplus-share專利 US6497511 - Method and device for imaging in digital dental radioscopy