In addition to using the aberration correction theory, optical distortion can be corrected with the digital image processing technology.
光学系统的畸变除了利用像差理论来实现校正外，还可以利用数字图像处理技术来进行校正。
The necessity of processing optical information for traditional X ray device has been stated, and the methods used to realize digital image has been outlined.
叙述了对X线胃肠机的光信息进行处理的必要性和X线胃肠机的图像数字化方法概况。
In the field of image processing, there are two completely different methods. One method is optical image processing, and the other is the computer digital image processing.
在图像处理领域，存在着两类完全不同的方法，一类是光学图像处理方法，另一类是计算机数字图像处理方法。
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