Firstly, it wiped off the noise using the Gaussian smoothing, then found the cluster which hid in multi-density data set. In the experiment, used the artificial data on the algorithm.
提出的算法利用网格聚类速度快的特点，先通过高斯平滑去除噪声，再采用网格梯度的思想找出隐藏在多密度数据集中的簇。
参考来源 - 基于网格梯度的多密度聚类算法—《计算机应用研究》—2008年第11期—龙源期刊网Chapter 2 introduce the commonly principle of edge detection to the signal with no-noise firstly,and also introduce hov to affect edge detection to the image with noise. Lastly, author depicture twomain noise-restraining approach Gaussian-smoothed filter and adaptive filter.
第二章首先介绍了对理想无噪声信号进行边缘检测的一般原理，然后介绍在有噪声的情况下，噪声是如何影响边缘的检测，最后叙述了两种主要的平滑降噪方法——高斯平滑滤波和自适应平滑滤波。
参考来源 - 计算机视觉预处理算法研究与应用In this paper, the image processing methods, Gauss smoothing and filtering, Canny edge detection and Harris corner detection are used after contrasting several image pre-processing techniques.
分析对比几种主要的图像预处理技术，确定本文所采用高斯平滑滤波方法、Canny边缘检测算法以及Harris角点检测算法。
参考来源 - 双目立体视觉在反求工程中的应用研究Three different methods are used to make the fabric pretreatment of the collecting images. They are Median filter, Gaussian smoothing and Median filter & gradient sharpening.
利用3种不同的织物图像的预处理方法:中值滤波、高斯平滑、中值滤波+梯度锐化,分别对采集的图像进行预处理。
参考来源 - 织物洗后外观平整度等级的计算机视觉评定·2,447,543篇论文数据，部分数据来源于NoteExpress
提出一种“高斯滤波”的方法去除这些白点，使二值化图像平滑、少毛刺，并具有较好的连通性。
But after the Gauss filter process, the threshold image is changed into smooth one which has smaller burr and has better connectedness.
实验结果验证了本文方法对增强、压缩、平滑、裁剪及高斯噪声等大多数图像处理均有很强的鲁棒性。
The experimental results have demonstrated that the proposed method is very robust for destroy of enhancement, compression, smooth, clip and Gauss noise.
然后在不同区域内分别采用不同方差的高斯函数进行轮廓平滑；
Then, the different kinds of zones are smoothed with Gaussian functions with different variance.
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