数字图像处理：也称为计算机图像处理，是指将图像信号转换为数字信号

并利用计算机对其进行处理的过程。图像源可以包括超声波、电子显微镜

和计算机产生的图像，而不局限于人类的视觉波段。-Digital Image Processing: also referred to as the computer image processing means converts the image signal into a digital signal and using the computer to the processing procedure. The image sources may include ultrasonic, electron microscopy and computer-generated image, without being limited to the human visual band.