In preprocessing, optimal threshold value method and smooth technology are adopted to process sample form image.
预处理阶段，使用最佳阈值二值化方法和平滑技术处理样本表格图像。
Both null and undefined macros expand to null strings, but a macro defined as a null string is considered defined in preprocessing expressions.
空宏和未定义的宏都展开为空字符串，但定义为空字符串的宏被视为是在预处理表达式中定义的。
In preprocessing of fingerprint image, four sides are discussed, including outline segmentation, filtering enhancement, segmentation binarization and thinning.
指纹图像预处理的研究包含四个方面：图像分割、图像增强、二值化和细化。
Binarization of documnent image plays an important role in preprocessing documnent image, the result of which will affect subsequent processing and identification.
文本图像二值化、噪声消除和倾斜校正处理在文本图像预处中起着重要的作用，其处理的效果会影响到后期的文本图像处理和识别。
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.
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。
Attribute reduction is one of important step in preprocessing of data mining, it improves the efficiency of the data mining algorithm by reducing the dimensions of the information.
属性约简是数据挖掘预处理中非常重要的一步，它通过减少信息的维数提高数据挖掘算法的效率。
How to extract clear and intact fringes from all kinds of noises, especially strongly inhomogeneous background illumination, is the key problem in preprocessing of thermal flow field tomogram.
如何从各种噪声尤其是强烈的不均匀背景光噪声中提取清晰完整的条纹是热流场层析图预处理的主要问题。
First, the high ratio of markup to value in the atom information is eliminated by converting the atom coordinates to relation format in the preprocessing step.
第一，通过在预处理步骤中将原子坐标转换成关系格式来消除原子信息中标记与值的高比例。
In the process of image preprocessing there are several image operations such as image smooth, image sharpen and image segment.
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 writer identification (WI), writing styles are always compared by character matching, while image preprocessing and normalization are very important for matching.
笔迹鉴别多用匹配方法比较字符的书写风格，而字符图像的预处理和归一化对匹配是非常重要的。
The contents in the paper include acoustic image preprocessing, feature extraction of texture and shape, and classifier design.
内容涉及声图像的预处理、纹理和形状特征的提取，以及分类器的设计等。
However, you will probably find it much more convenient to use the InfoSphere Warehouse built-in data preprocessing capabilities.
然而，您将可能发现其更便于使用InfoSphereWarehouse内置数据预处理功能。
Rough Sets theory has great superiority in Data Preprocessing because of its particular expression of knowledge, as well as it makes an effective means of knowledge Discovery in Database.
粗糙集理论由于其独特的知识表示方法在数据预处理方面有着得天独厚的优势，同时也成为数据库中知识发现的有效手段。
In this paper, we review the present research status and some key techniques in this field, including the property of HRRP, preprocessing methods, feature extraction and classifier design.
该文详细讨论了基于HRRP的雷达自动目标识别的关键技术及研究现状，包括雷达hrrp的特性、预处理方法、特征提取方法及分类器设计方法等。
The preprocessing in an automatic fingerprint identification system usually includes five steps: normalization, directional graph computation, image segmentation, filtering and binarization.
指纹预处理一般包括规格化、方向图计算、图像分割、滤波、二值化等环节，该文系统地讨论了各环节的有效算法。
The following work has been performed in this research: The ECG preprocessing and characteristic point detection are studied.
本论文主要内容包括心电信号预处理技术、特征点检测技术以及诊断技术的研究。
In the data mining or machine learning field, a data preprocessing procedure is often needed to eliminate errors, noises, in-consistent data or missing data that are contained in the dataset.
在数据挖掘以及机器学习等领域，都需要涉及一个数据预处理过程，以消除数据中所包含的错误、噪声、不一致数据或缺失值。
The process of knowledge discovery in time series includes preprocessing of time series data, attributes reduction and rules extraction.
知识发现的过程包括时间序列数据预处理、属性约简和规则抽取三部分。
Edge detection is an essential step in image analysis and recognition, and it is an important technology in the image preprocessing procedure.
边缘检测是图像分析识别必不可少的环节，是一种重要的图像预处理技术。
Taking concrete chips and practical interface circuits for example, this paper discusses the problems of data preprocessing that generally exist in digital control system.
本文以具体的芯片、实用的接口电路为例，讨论了数字控制系统中普遍存在的数据预处理问题。
It is composed of iris localization, iris normalization, iris image enhancement and denoising in image preprocessing.
虹膜图像的预处理包括虹膜图像的定位、归一化、增强和去噪。
MTI improved algorithm used a new two-dimensional image detection preprocessing algorithm named windowed detection in probability algorithm.
MTI改进算法使用了一种新的二维图像检测预处理算法——依概率加窗检测算法。
According to the case that the smog severely disturbs the SRM ground test image, the smog removing is very important in the SRM ground test image preprocessing.
针对固体火箭发动机(srm)地面试验图像受烟雾干扰严重，在SRM地面试验图像预处理中，烟雾去除研究非常重要。
Dimensionality reduction algorithms, as the key technologies of data preprocessing in intelligent recognition, have been used successfully recently.
近年来降维方法作为智能识别中关键的数据预处理技术得到了较为成功地运用。
Background subtraction technique has been widely used in many vision systems as a preprocessing step for object detecting and tracking.
背景差异抠图算法在许多视觉系统中因被用作物体跟踪、检测的预处理步骤而被广泛使用。
GPS data preprocessing is a very important step in precise positioning, whether or not preprocessing is done well, will affect final positioning accuracy and reliability directly.
GPS数据预处理是GPS精密定位数据处理中极其重要的一步，预处理质量的好坏直接影响最终的定位结果。
In this paper, signal preprocessing for bearing determination of ocean surface radial current mapping by HF ground wave radar based on MUSIC is investigated.
阐述从高频地波雷达海洋回波反演海洋表面流中，使用MUSIC算法提取径向流方位必须的信号预处理。
In this review, data preprocessing of metabonimics data, and data analysis in metabolic target analysis, metabolic profiling analysis, and metabolic finger- printing analysis were discussed.
本文按照代谢组学数据预处理-代谢物靶标分析和代谢轮廓分析中的数据处理。
In this review, data preprocessing of metabonimics data, and data analysis in metabolic target analysis, metabolic profiling analysis, and metabolic finger- printing analysis were discussed.
本文按照代谢组学数据预处理-代谢物靶标分析和代谢轮廓分析中的数据处理。
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