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。
In addition to using the aberration correction theory, optical distortion can be corrected with the digital image processing technology.
LED显示技术涵盖了微机控制、视频、光学、机械和数字图像处理等多种技术。
The display technology of LED includes micro controller, video, optics mechanics and digital image manipulation etc.
传统的数字遮片技术仅能处理物体边缘的遮挡透射关系，不能反映物体的反射、折射等光学现象。
Up to now, digital matting can only tackle the part occlusion phenomena at the edge of the front objects, instead of the reflection and refraction phenomena.
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