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Experimental Study on Image Preprocessing of Thermal Flow Field Tomogram[J]. 引用该论文姚卫;闫大鹏;王振东;尤海航;贺安之.
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。
In this correlator, a liquid crystal light valve (LCLV) is used as real time input and image preprocessing device. 全息记录材料采用光折变晶体，且使用会聚球面波作参考光。
The paper focuses on studying the image preprocessing algorithm of visual docking guidance system. 摘要重点研究了基于视觉检测方式的机场泊位自动引导系统的图像预处理算法。
Edge detection is an indispensable step before image analysis and recognition, and is an important technology in the image preprocessing procedure. 边缘检测是图象分析识别前必不可少的环节 ;是一种重要的图象预处理技术 .
The results showed that color image scalar filtration excel vector filtration considering the effect and speed of image preprocessing. 综合考虑图像预处理效果和图像处理速度,作者认为在杂草识别中彩色图像标量滤波优于矢量滤波。
With an aim at MBF200 fingerprint image characteristic,this paper proposes the one whole set fingerprint image preprocessing method. 针对MBF200指纹图像的特点,提出一套指纹图像预处理方法。
Methods We processed the image of thin smear film of the Plasmodium vivax schizont through several steps including image preprocessing,image segmentation and feature extraction. 方法基于图像预处理、图像分割、特征提取、判决分类等步骤,分别对间日疟原虫薄血膜的裂殖体图像进行处理,观察其识别效率和准确度。
Abstract： This paper presents a complete Gabor filter based fingerprint image preprocessing method according to the characteristic of the fingerprint image. 摘要：针对指纹图像的特点，建立了一套指纹图像预处理体系，为指纹特征点的提取和比对奠定了良好的基础。
The arithmetic includes image preprocess(i.e. noise extraction of image)，gray image binarization and fringe pattern sharpening. 算法包括图像的预处理(即图像的噪声提取)、图像的二值化及图像的细化。
Then image preprocessing techniques including image denoising, geometric and radiometric rectification, registration and histogram matching are investigated. 论文首先介绍了遥感技术和多传感信息融合的基本概念与理论，进而对降噪、几何校正、辐射校正、配准、直方图匹配等遥感图像融合的预处理过程作以论述。
The threshold value filtering algorithm has been presented used for image preprocessing, which can remain edge information of original image while remove the noise. 提出一种阈值滤波算法用于图像预处理，能在去除噪声的同时，较好地保留原图像的边缘信息。
In this paper, firstly we study the image preprocessing of airplane in its 2-D image, including image smoothing, image filter, image edge detection, and binarization. 本文首先对输入的飞机二维图像进行预处理操作。
As the pseudo minutiae arised from fingerprint image preprocessing is difficult to eliminate,a fingerprint minutiae extraction method based on information fusion is proposed. 针对进行指纹图像预处理时产生的伪特征点难以消除的问题,提出了一种基于信息融合的指纹特征点提取方法;
Image preprocess In star algorithm the image preprocess includes 3 operations, which are histogram equalization, contrast stretch and 5x5 neighborhood averagesmoothing. 图像预处理星形算法的图像预处理包括三步,灰度直方图均衡、对比度增强和5×5像素平滑。
Abstract ：As to the pseudo minutiae arised from fingerprint image preprocessing is difficult to eliminate, a fingerprint minutiae extraction method based on information fusion is proposed. 摘要：针对进行指纹图像预处理时产生的伪特征点难以消除的问题，提出了一种基于信息融合的指纹特征点提取方法。
This correction method does not need any initialization or a prior models, nor image preprocessing such as brain masking or presegmentation.It is fully automatic without any user interaction. 该方法不需要组织密度参数模型，不用事先对图像进行预处理，完全不需要用户的参与。
Results The segmentation method put forth by this paper can correctly separate brain structure in the image preprocessing step, and then the WM, GM and CSF can be segmented better by the K-NN rule. 结果分割算法在预处理步中能精确地分割出大脑结构，在K-NN分割步中能很好地从大脑结构中分割出WM、GM和CSF。
On the basis of pavement image preprocessing, the paper starts with the classical edge detection method, researches two kinds of improved edge detection methods: Marr-Hildreth and Canny. 在对病害路面图像预处理的基础上，从经典的边缘提取方法入手，研究了Marr-Hildreth和Canny两种改进的边缘检测方法，其中Canny方法效果最好。
Every part of fingerprint images preprocessing algorithms can be simu- lated and testd by matlab,and the effect of images processing algorithms can be observed intuitively. 用Matlab实现的这种方法,既能分步对指纹图像预处理算法进行仿真测试,又可以很直观地看到图像处理算法的效果,有效配合了算法的研究。

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