在预处理阶段，分析纹理样图中特征点的全局分布，并计算样图结构坐标。
In the preprocessing stage, the global distribution of feature points in the sample texture was analyzed and structural coordinates of the sample texture were computed.
对于刚体对象，大部分碰撞检测算法所依赖的数据结构都可以在预处理阶段处理完毕。
For rigid object, the data structures that most collision detection algorithms depend on end in the pre-processing phase.
在预处理阶段，利用彩色HSV模型分割原IC图像，然后用形态学开运算消除背景噪音。
In preprocessing phase, the IC image is segmented using HSV color model and the background noises are removed from the IC noisy image by the morphological operating.
为了提高手写数字的识别率，研究者在预处理阶段、特征提取和分类识别阶段都提出了很多方法。
In order to improve the accuracy rate of recognition of handwritten number, the researchers have done a lot of work at the pre-processing stage, feature extraction and classification stage.
该改进算法在预处理阶段对图像进行平滑操作并设置适当的梯度阈值，即减少了梯度图像中非重要区域的产生。
In the improved algorithm, the pre-processed image is smoothed and the proper gradient threshold is set to prevent the generation of insignificant regions.
在预处理阶段，本算法对场景内每个刚体分别计算其辐射场，而在渲染阶段，本算法迭代计算每个物体的入射光。
The calculation of radiance fields are done for each object individually in the precomputing process while iterations are finished in real-time rendering.
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。
Noise filtering is a necessary step on image pre-processing stage in digital image processing.
在图像预处理阶段，我们主要是对手势字母图像进行平滑、锐化和二值化的处理。
In the process of image preprocessing there are several image operations such as image smooth, image sharpen and image segment.
另外，在非特定手写文稿识别的预处理阶段，本文提出了一种简便、快速的汉字分割方法。
In addition, in the preprocessing stage of the recognition of non-specific handwritten Chinese manuscripts, this paper presents a simple, rapid segmentation method of Chinese characters.
在人脸图像的预处理阶段，本文主要完成对人脸样本的图像增强、几何及灰度归一化工作。
The preprocessing mainly focuses on image enforcement, geometry normalization of face images, image intensity normalization.
在图像预处理阶段，本文详细介绍了各种滤波方法，并对各种方法进行了比较。
In the stage of image pre-processing, give a detail introduction and compare of the fitting methods.
如在第16 章中所说，在第4 阶段的某些情况下，空白（也可能没有）可能不仅分隔预处理标记。
As described in clause 16, in certain circumstances during translation phase 4, white space (or the absence thereof) serves as more than preprocessing token separation.
如在第16 章中所说，在第4 阶段的某些情况下，空白（也可能没有）可能不仅分隔预处理标记。
As described in clause 16, in certain circumstances during translation phase 4, white space (or the absence thereof) serves as more than preprocessing token separation.
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