A METHOD FOR IMPROVING THE QUALITY OF IMAGING IN VIDEO IMAGING SYSTEMS

摘要

A METHOD FOR IMPROVING THE QUALITY OF IMAGING IN VIDEO IMAGING SYSTEMS AND A ULTRASOUND SYSTEM THEREOF ABSTRACT Disclosed herein is a method for improving the quality of imaging in video imaging systems. One particular embodiment wherein the method is implemented is an ultrasound transducer. The method of the invention comprises of scaling the video image zone from black to white within a predefined bit range without having to allocate a part of the digital bit range to the pedestal signal from the sync tip. The method enables achieving a resolution of 2.9mv at the DAC output (300) by feeding all 256 levels of signals in the form of echo data (230) received from the video ram (280) to the DAC (290) and scaling said signals (300) over 0 to 0,75V range.