为了使模拟影像得到科学管理与调阅，对模拟影像进行数字化处理是一种有效方法。
In order to make it easier to manage, verify and reference analog images, it is an effective way to digitalize analog medical images.
对模拟影像及实际航空遥感影像进行仿真，结果表明：改进后的三棱柱面法较好地保留了遥感影像的分形特性，计算的分形维数也更为准确。
The simulation results with real aviation remote sensing image show that the improved method effectively keeps the image fractal features and can obtain more accurate fractal dimension.
数字影像会更真实地模拟现实。
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