FCurve Filtering Pre-processing 曲线过滤预处理
Noise filtering is a necessary step on image pre-processing stage in digital image processing.
在图像处理领域中噪声滤除是图像预处理阶段一项必不可少的工作。
The principle framework of driver forewarning system is introduced firstly. then two sections of pre-processing namely the filtering and making thinner are discussed.
该文首先介绍了驾驶员预警系统的原理结构，然后讨论了驾驶员预警系统中人脸图像识别预处理的滤波和细化两个环节。
Firstly the data pre-processing technologies are researched, which include coordinate transform, coordinate fusion, data filtering.
本文首先研究了坐标变换、坐标归一化和数据滤波的数据预处理技术。
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