景观图像简单分割支持向量机的定量评价

Endang Purnama Giri, A. M. Arymurthy
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引用次数: 1

摘要

到目前为止,设计一种可靠的图像分割算法仍然是一个悬而未决的问题。与此相关的研究仍在进行中,但在某一场合我们可能会面临选择图像分割算法的问题,我们将使用哪些算法?为了解决这个问题,我们需要对图像分割算法进行良好的技术评价。有了该技术,我们最终可以选择和使用正确的图像分割算法。像素匹配(Pm)是一种常用的图像分割算法评价技术,但被认为不完整,不支持细化方面的评价。在这项研究中,我们提出了两种评估分割算法的技术:局部一致性误差(LCE)和边界匹配。此外,这两种技术将用于评估基于支持向量机(SVM)的具有各种简单特征的分割算法。此外,作为比较,将使用k-mean作为基本分割技术。实验结果表明,在一般分割算法中,SVM比k-means具有更好的分割精度。以该值作为SVM的分类器,以HSV (Hue saturation value)作为特征时,准确率最高。得到的序贯评价值为90。614% (Pm), 0.106 (LCE),匹配边界的精度和召回率最大值分别为0.419和0.721(半径= 5像素时)。
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Quantitative evaluation for simple segmentation SVM in landscape image
Until now, designing a reliable image segmentation algorithm is still an open problem. Research related to this matter is still underway, but in one occasion we may be faced with the problem for selection image segmentation algorithms that will we use? To get the solution of this problem we need a good technical evaluation of image segmentation algorithms. With the technique, it is expected we can finally choose and use the right image segmentation algorithm. Pixel matching (Pm) an image segmentation algorithm evaluation techniques are common but considered less complete and does not support the refinement aspects evaluation. In this study we present two techniques for the evaluation of the segmentation algorithm: Local Consistency Error (LCE) and boundary matching. Furthermore both of techniques will use for evaluate segmentation algorithms based on Support Vector Machine (SVM) with a variety of simple features. In addition, as a comparison, k-mean will used as the base segmentation technique. From the experimental result showed that in general segmentation algorithm using SVM produces a better accuracy than k-means. The highest accuracy is obtained when the value is used as the SVM as classifier and Hue Saturate Value (HSV) as a feature. Sequentially evaluation value obtained was 90. 614% (Pm), 0.106 (LCE), and the highest value of precision and recall for matching boundary are 0.419 and 0.721 (when radius = 5 pixels).
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