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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Object-Based Spatial Feature for Classification of Very High Resolution Remote Sensing Images
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Object-Based Spatial Feature for Classification of Very High Resolution Remote Sensing Images

机译:基于对象的空间特征用于超高分辨率遥感影像的分类

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摘要

This letter presents a novel spatial feature called object correlative index (OCI) to enhance the classification of very high resolution images. This novel method considers the property of an image object based on spectral similarity to construct a useful OCI to describe the spatial information objectively. Compared with the generic features widely used in image classification, the classification approach based on the OCI spatial feature results in higher classification accuracy than those approaches that only consider spectral features or pixelwise spatial features, such as the pixel shape index and mathematical morphology profiles. Experiments are conducted on QuickBird satellite image and aerial photo data, and results confirm that the proposed method is feasible and effective.
机译:这封信提出了一种称为对象相关指数(OCI)的新颖空间特征,以增强超高分辨率图像的分类。这种新颖的方法基于光谱相似性来考虑图像对象的属性,以构建有用的OCI来客观地描述空间信息。与在图像分类中广泛使用的通用特征相比,基于OCI空间特征的分类方法比仅考虑光谱特征或逐像素空间特征(例如像素形状指数和数学形态学轮廓)的方法具有更高的分类精度。对QuickBird卫星图像和航拍照片数据进行了实验,结果证明了该方法的可行性和有效性。

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