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。
In this thesis, the image-processing part of the system is expounded, including image collection, pre-processing, analysis, display and auto-coupling arithmetic.
文中重点阐述了该系统中的图像处理部分，包括图像采集、预处理、分析、显示、自动耦合算法等。
In the process of obtaining the medicine diagnosis character of spine centrum, the approach of image pre-processing and detecting the geometry character of centrum has been taken.
本文对脊柱椎体骨骼医学诊断特征提取的过程，采取了先对图像进行预处理，再提取椎体几何特征的步骤。
This research provides tasks such as remote sensing image processing and target recognition with pre-knowledge of background clutters.
该研究为遥感图像处理及目标识别等任务提供了背景杂波的先验知识。
Functionally, a robot vision system contains the following processes: the obtaining of digital image, the image pre-processing, character extraction and image identification.
机器人视觉系统主要包括数字图像的获取、图像的预处理、特征提取和图像识别几部分。
In the B-mode sector scan ultrasonic imaging system, the raw image is in polar coordinates, therefore, it is main tasks of image pre-processing to achieve image coordinate transform and interpolation.
在B型超声机械扇形扫描成像当中，原始图像信号是以极坐标的形式输出的，对图像进行实时坐标变换和漏点插补是图像预处理所要解决的主要问题。
The main work of the thesis is that the entropy information is widely used in the pre-processing of underwater image.
本论文的主要工作就是在图像预处理的过程中充分利用水下图像的熵信息。
Image quality assessment algorithms generally require embedding in other image processing algorithms, as part of image pre-processing.
图像质量算法一般需要嵌入其他图像处理算法中，以作为图像预处理的一部分。
The original gray level image was changed into the macroscopical drawing information by pre-processing, threshold selection, image bivalency, edge detection and contour extraction and segmentation.
对原始数字图像实施预处理、二值化、轮廓提取及细化等处理后，将图像信息转变成宏观图形信息。
The problem of image data compression is an important part of the scene matching guidance image pre-processing technique.
数据压缩问题是景象匹配制导图像预处理技术中的重要研究内容之一。
In the design and the implementation of OMR information card processing system, image pre-processing and target point positioning and some other critical technologies are studied in this thesis.
在OMR信息卡处理系统的设计与实现中本文对O MR识别的图像预处理，目标点定位等关键技术进行了重点论述。
The robustness of image pre-processing is embodied.
图像预处理的良好鲁棒性得到了体现。
Fingerprint image pre-processing has five parts: filtration in gray-scale image, binarization, filtration in binary image, thinning and filtration in thinning image.
指纹图像的预处理又可以分为灰度图滤波去噪、二值化、二值化图像去噪、细化和细化后去噪五个部分。
The first one is improper image pre-processing, such as segmentation, normalization and thinning, which lose the features of letters relationship and strokes.
其一是图像预处理方法不当，在字符切分、大小归一化、倾斜校正以及签名图像的细线化时会丢失签名特征。
In image pre-processing, it introduces two steps of image pre-processing that is image distortion rectification and image noise restraint.
在图像预处理中，介绍了图像预处理中的两个步骤，即图像的几何校正和噪声点的抑制。
The content include: the software and the hardware of the system, image pre-processing, two-valued processing, features processing and edge connect.
其内容包括：系统软、硬件组成：图像预处理和边缘检测、二值化处理、细化处理和边缘连接五部分。
An image pre-processing techniques based on Wiener filter and normalization of image brightness is proposed for weaken the influence of periodic noise and brightness variation.
提出维纳滤波与亮度归一化相结合的图像预处理技术，去除固定模式噪声和亮度变化的影响。
This paper particularly analyzes some factors possibly disturbing iris localization in the iris image through the localizing pre processing.
由于在经过定位预处理之后的原始虹膜图像中，存在可能干扰定位的多种因素。
This paper introduces the software's operating procedure in detail from image inputting and pre-processing and correlation calculation to post-processing.
本文详细介绍了软件从图像读入、预处理、相关计算到后处理的整个操作过程。
Virtual liver surgery simulation system consists of image pre-processing, image segmentation, volume estimation, the virtual cutting simulation and other functions.
肝脏虚拟手术仿真系统包括图像预处理、图像分割、体积估计，虚拟切割仿真等功能。
The aim of image pre-processing and feature extracting is to get feature vectors from tire-code characters.
整个识别过程包括字符定位、图像增强、字符倾斜校正、单个字符分割、归一化处理和特征选择与提取。
Binary and thinning is more important in fingerprint image pre-processing, this paper discussed the pros and cons of various thinning algorithms and through coding implemented these algorithms.
二值化和细化是指纹图像预处理阶段比较重要的环节，本文讨论了多种细化算法的优劣，并通过编码实现了这些算法。
Mathematical Morphology on the pre-processing particle-image, and the results were compared with that of Wiener and median filter.
本文介绍了一种应用数学形态学对粒子图像进行预处理的方法，并与维纳去噪、中值滤波去噪进行了对比。
The speckle image pre-processing consists of noise decreasing, image recognition and gray extending.
散斑图像的预处理包括有降噪、图像识别、灰度拉伸；
In this paper, we firstly generalize the main content and its common method of image for guidance pre-processing systemically.
本文首先系统总结了制导图预处理的主要内容及常用方法。
The non-contact measuring method of the deformation quantity was presented by means of the digital manipulation technology, including image pre-processing, and image binary-conversion, etc.
给出了采用数字图像处理技术非接触测量变形量的方法，包括图像的预处理，二值化等。
The non-contact measuring method of the deformation quantity was presented by means of the digital manipulation technology, including image pre-processing, and image binary-conversion, etc.
给出了采用数字图像处理技术非接触测量变形量的方法，包括图像的预处理，二值化等。
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