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Texture Classification Using Dense Micro-block Difference (DMD)

机译:使用致密微块差异(DMD)纹理分类

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The paper proposes a novel image representation for texture classification. The recent advancements in the field of patch based features compressive sensing and feature encoding are combined to design a robust image descriptor. In our approach, we first propose the local features, Dense Micro-block Difference (DMD), which capture the local structure from the image patches at high scales. Instead of the pixel we process the small blocks from images which capture the micro-structure from it. DMD can be computed efficiently using integral images. The features are then encoded using Fisher Vector method to obtain an image descriptor which considers the higher order statistics. The proposed image representation is combined with linear SVM classifier. The experiments are conducted on the standard texture datasets (KTH-TIPS-2a, Brodatz and Curet). On KTH-TIPS-2a dataset the proposed method outperforms the best reported results by 5.5% and has a comparable performance to the state-of-the-art methods on the other datasets.
机译:本文提出了一种用于纹理分类的新颖图像表示。基于贴片特征压缩感应和特征编码领域的最近进步被组合以设计鲁棒图像描述符。在我们的方法中,我们首先提出了局部特征,密集的微块差(DMD),其在高尺度上从图像贴片中捕获局部结构。而不是像素我们处理来自图像的图像的小块。 DMD可以使用积分图像有效地计算。然后使用Fisher Vector方法编码该特征,以获取考虑更高阶统计信息的图像描述符。所提出的图像表示与线性SVM分类器组合。实验是在标准纹理数据集(kth-tips-2a,brodatz和曲线)上进行的。在kth-tips-2a dataset上,所提出的方法优于最佳报告的结果5.5%,并且对其他数据集的最先进方法具有可比性的性能。

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